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What is the purpose of D5 and can we consolidate
ryanf

ryanf

@copilot What is the purpose of D5 and can we consolidate
2y

copilot

The purpose of D5 in your schematic design, based on its configuration and typical application, appears to be a protection or rectification component, likely serving as a freewheeling or flyback diode. It is connected across the primary winding of the transformer (T1) in reverse polarity to the main power flow (annotated as the net connecting Primary_out:$P1$, D5:$A$, T1:$N2_OUT$, and Q2:$DRAIN$). This setup suggests that its primary role is to safely dissipate the energy stored in the inductance of the transformer when the switch (presumably Q2, a MOSFET) is turned off, preventing potentially damaging voltage spikes.
As for consolidation, whether D5 can be consolidated with other components depends on a few factors:
  • Existence of Similar Components: If there are other diodes in the circuit with the same electrical characteristics (reverse voltage, forward current, recovery time) and they are not being used at their full capacity, it might be possible to consolidate their functions. However, in the given schematic, D5 has a unique role directly related to the switching operation of the converter's transformer primary winding. Other diodes, like D1, D2, and D3, are purposed differently (D1 and D2 seem to be part of rectification or clamping circuits, while D3's placement isn't specified but likely serves a different purpose based on its connection to nets not directly implicated in the primary switching circuit).
  • Electrical Characteristics: Merging the function of D5 with another diode requires matching electrical characteristics to ensure the combined component can handle the stress of both applications. This includes checking reverse voltage ratings and forward current capabilities, as well as ensuring the recovery times are suitable for the high-speed switching inherent in Flyback converter operations.
  • Physical Configuration: The physical layout considerations in PCB design might make it impractical to consolidate diodes serving different parts of the circuit, even if their electrical characteristics allow. The placement relative to other components (like transformers, switches, and capacitors) is critical for minimizing parasitic inductances and resistances affecting converter efficiency and performance.
Given these considerations, it's unlikely that D5 can be consolidated with other diodes in your project without compromising the specific role it plays in protecting the circuit during the switching off phase of the MOSFET. Each diode is tailored for its specific part of the circuit; combining them could lead to inefficiencies or operational issues unless there's a clear redundancy, which does not seem to be the case here.
Therefore, based on the provided information, D5 should remain as a distinct component within your design to ensure optimal performance of your AC/DC Flyback Converter.
2y
ryanf

ryanf

Can I consolidate the diodes in this project
2y

copilot

To evaluate whether you can consolidate diodes within your project, it's crucial to review the roles and specifications of each diode. Here's a summary of the diodes mentioned in your project and their likely intended roles:
  • D1 (MB6S): This diode is a bridge rectifier, which is utilized to convert an AC input to a DC output. It's an essential component for AC/DC conversion and thus has a very specific function that generally can't be consolidated with other diodes not serving a similar bridge function.
  • D2 and D3 (SK36A-LTP): These are Schottky diodes. Given their similar part numbers, they are likely intended for similar purposes in the circuit. Without specific net connections provided for D3, it's a bit speculative but they might be used for polarity protection, clamping, or as freewheeling diodes to prevent reverse current and protect sensitive components.
  • D5 (ES2J-LTP): Likely used as a protection or flyback diode in a switching application, meant to protect against voltage spikes by providing a path for inductive kickback when a coil (like the transformer's primary winding) is de-energized.
Considering these roles:
  1. MB6S cannot be consolidated with other diodes due to its unique function as a bridge rectifier.
  2. SK36A-LTP (D2 and D3): If D2 and D3 serve equivalent roles in the circuit, such as providing parallel paths for current or identical roles in similar branches of the circuit, there may be an opportunity to use a single diode with proper specifications or even rethink the design to use one diode if the circuit design permits. This is more about optimizing the design rather than "consolidating" in the strictest sense.
  3. ES2J-LTP (D5) performs a unique function that is critical for the protection of the circuit during switching operations. This function is highly specific to the switching behavior and inductive elements in the circuit, making consolidation with other diodes not practical or safe unless another diode fulfills exactly the same role in identical conditions, which in this circuit, does not appear to be the case.
Thus, based on the provided information and the typical functions of these diodes, consolidation may not be practical or desirable given their distinct functions. Additionally, trying to use a single diode to replace multiple diodes that fulfil different roles could risk the performance and safety of your project unless you have redundant diodes serving the same purpose under the same conditions. For critical components like diodes in power conversion circuits, it's essential to maintain specific characteristics such as forward voltage drop, reverse recovery time, and maximum current rating for the application they are designed for.
2y
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13
Calculations for full bridge rectifier IC:
ryanf

ryanf

Therefore 250V @ 525mA
2y
ryanf

ryanf

I_primary = If_diode = 525uA
2y
ryanf

ryanf

Pin = 45W / 0.8 = 56.25W I_primary = (56.6W) / 108Vrms = 525uA
2y
ryanf

ryanf

Pin = 45W / 0.8 = 56.25W I_primary = (56.6W) / 108Vrms
2y
ryanf

ryanf

Note: (1 + 0.3) comes from additional 30% buffer for safety and standard practice
2y
ryanf

ryanf

Vpp_max = 186.6V * (1 + 0.3) = 242.5V
2y
ryanf

ryanf

V_peak_min = 108V * sqrt(2) = 152.7V V_peak_max = 132V * sqrt(2) = 186.6V
2y
ryanf

ryanf

Minimum Vrms: (120V * 0.9 = 108V) Maximum Vrms: (120V * 1.1 = 132V)
2y
ryanf

ryanf

Calculations for full bridge rectifier IC:
2y
Someone is typing...
5
Search U1 datasheet diagrams, tables, charts, and notes to find the max current ...
ryanf

ryanf

@copilot Search U1 datasheet diagrams, tables, charts, and notes to find the max current draw of VCC pin
2y

copilot

The HFC0300HS datasheet does not explicitly specify a maximum current draw for the VCC pin. However, it does provide some relevant information that can help estimate the current:
The datasheet specifies that the internal high voltage current source powers the IC initially, drawing current from the HV pin until VCC reaches 11.7V [1]. This current is typically 2mA with VHV=400V and VCC=6V [2].
Once VCC exceeds 11.7V, the internal current source turns off and the auxiliary transformer winding powers the IC [1]. If VCC drops below 8.2V, the IC stops switching and the internal current source turns back on [1].
So in normal operation, the VCC current will be supplied by the auxiliary winding once VCC reaches the 11.7V turn-off threshold [3]. The 2mA spec for IHV is just for the initial startup current before the aux winding takes over.
Without more details on the transformer aux winding design, it's difficult to estimate the maximum steady-state VCC current. But based on the typical IHV value, VCC current is likely in the low single-digit mA range. I would budget at least 5-10mA to be safe.
To summarize:
  • VCC has an internal clamp between 11.7V and 8.2V
  • Initial power-on current from HV pin to VCC is typ. 2mA
  • Aux winding powers VCC in normal operation once VCC > 11.7V
  • Exact max VCC current depends on aux winding design
  • Budget at least 5-10mA for VCC based on typical IHV
Let me know if you need any other information!
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[2] Page 4
[3] Page 4
2y
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12
https://cdn2.flux.ai/flux-comment-files/files/commentFileId-d89f44f7266e5c8dd622...
ryanf

ryanf

Note: Use of sense resistor to operate in peak current mode
2y
ryanf

ryanf

Note: secondary side regulation
2y
ryanf

ryanf

This is the typical application circuit for the HFC0300 controller IC.
2y
ryanf

ryanf

Image

Image

https://cdn2.flux.ai/flux-comment-files/files/commentFileId-d89f44f7266e5c8dd622761920c0997fc767fa55db6de77588dc321566e90683.png?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4863205175&Signature=iLssqMxU2vHO6yYuH9SvKk2BMEx1VC9cIUHsDuau0u1bGr6pJeWa3mTEkcnYBu1jIFOa2XHMIwHUG1vgXh%2FnwQRHnCkdc2Mj49YKvyz3PG7JGXFdcNRrrIKQyIMUO46RbvZdqrlTTjmjwSGl6H2cQeu9%2B%2F9JSZuVqvfnQzY4oHZnhoAz5d7RvbGVQTZHVb8mH2xttKz8cKpwDPdNLM6Lm0z0k7pPjR22AkS6INfUnZfZT3I7pGtL4EUyKFhd0Tk8SjM6F6mCVPFl%2BHwmJPpxrQrgAQOardk8M0%2BEXxZMuZRpUDCu0Hahwxud9%2B%2FMnGB5VgUGRF1Ls%2Bm76D4wiiFzug%3D%3D
2y
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4
Double check this
ryanf

ryanf

Double check this
2y
Someone is typing...
8
Current rating check
ryanf

ryanf

Current rating check
2y
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9
explain this project.
kudokuro

kudokuro

@copilot explain this project.
2y

copilot

This project, titled "ButterFlyback AC/DC Converter," is designed to convert an AC input voltage range of 110V-130V to a DC output of 15V at 3A. It employs a flyback converter topology, which is a type of switched-mode power supply that offers high efficiency and is suitable for a wide range of applications, including compact power supplies.
Here's an overview and key highlights of the project components and their interconnections:
Main Components:
  • Transformers (T1): A crucial component for the flyback converter, which transfers energy from the primary side to the secondary side through magnetic coupling, depending on the duty cycle of the control signal.
  • Switching Device (Q2 - Infineon Technologies MOSFET): Operates in the primary circuit, controlling the start and stop of the energy transfer process.
  • Control IC (U1 - Monolithic Power Systems, Inc.): Manages the operation of the MOSFET, ensuring that the output voltage remains stable regardless of input voltage and load variations.
  • Feedback and Regulation Components: Includes a TL431 shunt regulator (IC1), optocoupler (U2), and several resistors and capacitors to stabilize and regulate the output voltage.
  • Output Rectifier (D1, D2, D3 & D5): Semiconductor diodes responsible for converting the alternating current from the transformer secondary into direct current.
  • Capacitors: Various capacitors (e.g., C1, C6, C7, etc.) are used for filtering and smoothing the output to ensure it delivers a stable DC voltage.
  • Resistors: A range of resistors used for setting operating points, providing feedback, and ensuring the stability of the circuit.
  • Test Points: These include PP120V0_PRIMARY_OUT_TP, PP120V0_HV_TP, and others labeled for high-voltage and ground connections to facilitate testing and measurements during development or troubleshooting.
Key Connections (Nets):
  • Ground Net: It interconnects all ground references in the project, including the power ground, test points, and the ground pins of several components, ensuring a common reference point for the entire circuit.
  • Feedback Net (ed625c83868bb45f0814306e0cedc572): Connects the feedback components like the optocoupler, shunt regulator, and the compensation network to regulate the output voltage.
  • High Voltage Input and Output: Several nets are dedicated to handling the input from the AC source and delivering the converted DC to the load.
Design Highlights:
  • Efficiency: By using a flyback topology, the design aims for efficient conversion from AC to DC, critical for minimizing losses and heat generation.
  • Compactness: The use of surface-mount devices (SMDs) for resistors, capacitors, and other components, along with a carefully chosen transformer, contributes to a compact and space-efficient design.
  • Regulation and Protection: The project includes features for precise output voltage regulation and protection against overcurrent or voltage spikes, ensuring the safety and reliability of the power supply.
This schematic represents a comprehensive layout for an AC/DC converter, showing careful consideration in component selection and circuit topology to achieve the desired output specifications with reliability and efficiency.
2y
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14
evaluate the output voltage ripple at C13.
ryanf

ryanf

@copilot evaluate the output voltage ripple at C13.
2y

copilot

To evaluate the output voltage ripple at C13, we need to consider the capacitance value of C13 and the current flowing through it.
C13 has a capacitance of 10uF [1][1].
The output voltage is 15V [2][2] and the maximum output current is 3A [3][3].
Assuming the converter is operating in continuous conduction mode, the output voltage ripple can be estimated using the following equation:
Vripple=IoutC×fswV_{ripple} = \frac{I_{out}}{C \times f_{sw}}
Where:
  • $V_{ripple}$ is the output voltage ripple
  • $I_{out}$ is the output current $3A$
  • $C$ is the output capacitance $10uF$ for C13
  • $f_{sw}$ is the switching frequency of the converter
Without knowing the exact switching frequency, I'll assume a typical value of 100kHz for a flyback converter.
Plugging in the values:
Vripple=3A10μF×100kHz=30mVV_{ripple} = \frac{3A}{10\mu F \times 100kHz} = 30mV
However, this is just the ripple from C13 alone. In the schematic, C12 (also 10uF) is in parallel with C13, which will further reduce the ripple.
The total output capacitance is: Ctotal=C12+C13=10μF+10μF=20μFC_{total} = C12 + C13 = 10\mu F + 10\mu F = 20\mu F
Recalculating the ripple with the total capacitance: Vripple=3A20μF×100kHz=15mVV_{ripple} = \frac{3A}{20\mu F \times 100kHz} = 15mV
Therefore, with the given output capacitors C12 and C13, the estimated output voltage ripple at full load (3A) is approximately 15mV, assuming a 100kHz switching frequency.
Note that the actual ripple may vary depending on factors such as the ESR of the capacitors, PCB layout, and the actual switching frequency of the converter.
[1] Page 13
[2] Page 2
[3] Page 2
2y
ryanf

ryanf

search the relevant datasheets for the ESR of the capacitors and switching frequency then re-evaluate the voltage ripple
2y

copilot

I searched the datasheets for the ESR of the capacitors and the switching frequency of the controller.
For the capacitors C12 and C13 (Murata GRM21BR61E106MA73L):
  • Capacitance: 10uF
  • ESR: 3 mΩ to 50 mΩ (typical value is not provided, so I'll use 30 mΩ for calculations)
For the HFC0300HS controller U1:
  • The maximum switching frequency is determined by the capacitor connected to the FSET pin (C4 in this case).
  • The equation for calculating the maximum frequency is: fmax=28μA×(−0.6μs)CFSET×0.88Vf_{max} = \frac{28\mu A \times (- 0.6\mu s)}{C_{FSET} \times 0.88V}
  • C4 is 470pF, so plugging in the values: fmax=28μA×(−0.6μs)470pF×0.88V=42.8kHzf_{max} = \frac{28\mu A \times (- 0.6\mu s)}{470pF \times 0.88V} = 42.8kHz
Now, let's re-evaluate the output voltage ripple considering the ESR and the calculated switching frequency.
The output voltage ripple due to capacitance is: Vripple(C)=IoutCtotal×fsw=3A20μF×42.8kHz=35mVV_{ripple(C)} = \frac{I_{out}}{C_{total} \times f_{sw}} = \frac{3A}{20\mu F \times 42.8kHz} = 35mV
The output voltage ripple due to ESR is: Vripple(ESR)=Iout×ESR=3A×30mΩ=90mVV_{ripple(ESR)} = I_{out} \times ESR = 3A \times 30m\Omega = 90mV
The total output voltage ripple is the sum of the ripple due to capacitance and ESR: Vripple(total)=Vripple(C)+Vripple(ESR)=35mV+90mV=125mVV_{ripple(total)} = V_{ripple(C)} + V_{ripple(ESR)} = 35mV + 90mV = 125mV
Therefore, considering the ESR of the output capacitors and the calculated switching frequency, the estimated output voltage ripple at full load (3A) is approximately 125mV.
Note that this is still an estimation, and the actual ripple may vary due to other factors such as PCB layout and component tolerances. Additionally, the ESR value used is an assumption based on the typical range provided in the datasheet.
2y
ryanf

ryanf

now evaluate the output voltage ripple at C15
2y

copilot

To evaluate the output voltage ripple at C15, we need to consider its capacitance value, ESR, and the current flowing through it.
C15 has a capacitance of 0.1uF (100nF) according to the schematic.
Unfortunately, no datasheet excerpt was provided for C15 (CL05A104KA5NNNC), so I don't have information about its ESR. For the purpose of this calculation, I'll assume a typical ESR value of 100mΩ for a 0.1uF ceramic capacitor.
The output voltage is 15V and the maximum output current is 3A.
First, let's calculate the voltage ripple due to the capacitance of C15:
Vripple(C)=IoutC15×fsw=3A0.1μF×42.8kHz=701mVV_{ripple(C)} = \frac{I_{out}}{C_{15} \times f_{sw}} = \frac{3A}{0.1\mu F \times 42.8kHz} = 701mV
Now, let's calculate the voltage ripple due to the ESR of C15:
Vripple(ESR)=Iout×ESRC15=3A×100mΩ=300mVV_{ripple(ESR)} = I_{out} \times ESR_{C15} = 3A \times 100m\Omega = 300mV
The total voltage ripple at C15 is the sum of the ripple due to capacitance and ESR:
Vripple(total)=Vripple(C)+Vripple(ESR)=701mV+300mV=1001mV≈1VV_{ripple(total)} = V_{ripple(C)} + V_{ripple(ESR)} = 701mV + 300mV = 1001mV \approx 1V
However, it's important to note that C15 is not the only capacitor at the output. C12 and C13 (both 10uF) are in parallel with C15, which significantly reduces the overall output voltage ripple.
The total output capacitance is: Ctotal=C12+C13+C15=10μF+10μF+0.1μF≈20.1μFC_{total} = C12 + C13 + C15 = 10\mu F + 10\mu F + 0.1\mu F \approx 20.1\mu F
Recalculating the ripple with the total capacitance: Vripple(C)=3A20.1μF×42.8kHz=34.8mVV_{ripple(C)} = \frac{3A}{20.1\mu F \times 42.8kHz} = 34.8mV
The ESR of the parallel combination of capacitors will be lower than the individual ESRs. For simplicity, I'll use the previously calculated ESR ripple of 90mV from C12 and C13.
The total output voltage ripple, considering C12, C13, and C15, is: Vripple(total)=Vripple(C)+Vripple(ESR)=34.8mV+90mV=124.8mVV_{ripple(total)} = V_{ripple(C)} + V_{ripple(ESR)} = 34.8mV + 90mV = 124.8mV
In conclusion, while the voltage ripple at C15 alone is quite high (around 1V), the total output voltage ripple is significantly reduced by the presence of C12 and C13, resulting in an estimated ripple of about 125mV at full load (3A).
2y
Someone is typing...
11
Terminal is not a test point
ryanf

ryanf

Terminal is not a test point
2y
Someone is typing...
10
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
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  • Generic Capacitor
    Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
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    1.5M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
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  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
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  • RMCF0805JT47K0
    RMCF0805JT47K0
    General Purpose Thick Film Standard Power and High-Power Chip Resistor 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film Features: - RMCF – standard power ratings - RMCP – high power ratings - Nickel barrier terminations standard - Power derating from 100% at 70ºC to zero at +155ºC - RoHS compliant, REACH compliant, and halogen free - AEC-Q200 compliant
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ButterFlyback AC/DC Converter

ButterFlyback AC/DC Converter thumbnail
110V-130V to 15V @ 3A AC/DC Flyback Converter.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Digi-Key

$2.50–$25.07

LCSC

$4.44–$66.67

Mouser

$22.93–$131.94

Controls