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Male Green Jetpack
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Digi-Key | $0.13 |
LCSC | $0.14–$0.25 |
Mouser | $0.00 |
Controls
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sethice
copilot
- R1: 47kΩ resistor
- BATT1: 3V battery
- D1: Diode with Forward Voltage of 1.70V
Nets and Connections- Net 1: Connect R1:P1 to BATT1:+
- Net 2: Connect R1:P2 to D1:A
- Net 3: Connect BATT1:- to D1:K
Points to Check:-
Voltage and Forward Bias:
- The battery provides 3V, whereas the diode has a forward voltage of 1.70V. It seems appropriate as the diode should conduct under these conditions, given the voltage drop across the resistor if necessary.
-
Current Limiting:
- The resistor R1 appears to limit the current through the diode and the circuit. Let's roughly calculate the current through the resistor and see if it is within an acceptable range.
Using Ohm’s Law:
$ I = \frac{V}{R} = \frac{3V - 1.70V}{47kΩ} = \frac{1.30V}{47000Ω} \approx 27.66\ \mu A $
-
Power Rating of Resistor:
- Next, let's check if the resistor's power rating is sufficient.
Using the power formula:
P=I2R=(27.66×10−6 A)2×47000 Ω≈0.036mW
Assuming typical 0805 resistors have a power rating of 125mW, which should be safe here.
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Diode Specifications:
- Ensure the current through the diode while forward-biased (approximately 27.66 μA) is within acceptable limits for its operation.
Summary