20 Hz ~ 20 kHz Analog Microphone Electret Condenser 3 V ~ 10 V Omnidirectional (-44dB ±2dB) PC Pins JLI 140A HD microphone microphone capsule The CMA-4544PF-W is an electret condenser microphone designed for compact audio capture applications. It features high sensitivity, low noise characteristics, and stable frequency response, making it suitable for voice recording, communication devices, and embedded audio systems. The device integrates a permanently charged electret diaphragm with a built-in FET preamplifier, enabling reliable signal output with minimal external circuitry. Key Features Electret condenser microphone element High sensitivity and signal-to-noise ratio Omnidirectional pickup pattern Compact, low-profile package Built-in FET impedance converter Stable performance over temperature range RoHS compliant Electrical Characteristics Operating Voltage: typically 2.0 V (range: 1.5 V to 10 V) Current Consumption: typically 0.5 mA Sensitivity: typically -44 dB ±3 dB (at 1 kHz, 0 dB = 1 V/Pa) Signal-to-Noise Ratio: typically 60 dB Output Impedance: typically 2.2 kΩ Frequency Response: 20 Hz to 16 kHz Acoustic Characteristics Directivity: Omnidirectional Maximum Sound Pressure Level: typically 110 dB SPL Equivalent Noise Level: typically 34 dB SPL Mechanical Characteristics Package Type: Through-hole cylindrical metal can Dimensions: approximately 4.5 mm diameter × 4.4 mm height Mounting Type: PCB through-hole Terminal Configuration: Two-pin (signal and ground) Environmental Specifications Operating Temperature Range: -20°C to +70°C Storage Temperature Range: -40°C to +85°C Applications Voice recording devices Mobile and handheld electronics Intercom and communication systems Embedded audio input modules IoT and consumer electronics Pin Configuration Pin 1: Output (Vout) Pin 2: Ground (GND / Case) Compliance RoHS compliant Suitable for general consumer electronics use #commonpartslibrary #audio #microphone #analog #condenser

Use this template if you're planning to get your multi layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template #manufacturer-design-rules

Use to enclosed or indicates a section of your circuit

Use this template if you're planning to get your multi layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template #manufacturer-design-rules

Use this template if you're planning to get your multi layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template #manufacturer-design-rules

Use this template if you're planning to get your 1 to 2-layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template #manufacturer-design-rules

The CD74HC4067M is a high-speed CMOS analog multiplexer and demultiplexer designed to route one of multiple analog or digital signals to a common input/output line. Built using advanced high-speed CMOS technology, this device provides low ON-state resistance, wide signal bandwidth, and low power consumption, making it suitable for signal routing, data acquisition systems, sensor expansion, communication interfaces, industrial control systems, and embedded electronics. The integrated channel selection logic enables efficient switching between multiple signal paths while maintaining signal integrity and minimizing distortion. Features High-speed CMOS analog multiplexer and demultiplexer architecture Multiple single-ended channels connected to a common input/output Low ON-state resistance for reduced signal loss Wide analog signal handling capability Bidirectional signal switching support Compatible with both analog and digital signals Low power consumption during operation Break-before-make switching characteristic High noise immunity Wide operating supply voltage range Direct interface compatibility with microcontrollers and digital logic devices Low crosstalk and low leakage current performance Surface-mount package optimized for automated assembly Applications Sensor multiplexing systems Data acquisition equipment Industrial automation controllers Embedded electronics Test and measurement instruments Communication systems Audio signal routing Battery monitoring systems Medical instrumentation Consumer electronic products Microcontroller input expansion Analog signal selection networks Electrical Characteristics CMOS logic implementation Analog and digital signal switching capability Low propagation delay Low channel capacitance Low leakage current High switching speed Wide bandwidth operation ESD protection features High input impedance Low standby power consumption Mechanical Characteristics Surface-mount integrated circuit package Compact footprint for high-density PCB layouts RoHS-compliant construction Suitable for automated pick-and-place assembly Standard industry package dimensions Design Considerations Use proper decoupling capacitors near supply pins Keep analog signal traces short to minimize noise pickup Ensure signals remain within specified supply voltage limits Consider ON-resistance effects in precision analog applications Implement appropriate PCB grounding techniques for optimal performance Avoid exceeding maximum switching current ratings #commonpartslibrary #integratedcircuit #analog #digital #multiplexer #demultiplexer #signalrouting #analogswitch #dataacquisition #embeddedsystems #industrialelectronics #texasinstruments

Use this layout to incorporate an Arduino Zero into your projects.

Polymeric PTC Resettable Fuse 6V 500 mA Ih Surface Mount 0603 (1608 Metric), Concave polyfuse 500mA 0603 The 0603L050YR is a surface-mount resettable fuse based on polymeric positive temperature coefficient technology, designed to provide overcurrent protection in compact electronic circuits. Under normal operating conditions, the device exhibits low resistance and allows current to pass with minimal power loss. When exposed to an overcurrent condition, the device transitions to a high-resistance state, effectively limiting the current and protecting downstream components. Once the fault condition is removed and power is cycled or the device cools, the fuse automatically resets to its original low-resistance state. This component is optimized for space-constrained applications requiring reliable, resettable protection, such as portable electronics, battery-powered systems, and low-voltage signal lines. Its small form factor enables integration into dense PCB layouts while maintaining compliance with industry safety standards for overcurrent protection. Package and Mounting: Surface-mount device in standard 0603 footprint, compatible with automated assembly processes including reflow soldering. Electrical Characteristics: The device is designed to maintain normal operation at a defined hold current level and transition to a protective state when the current exceeds its trip threshold. It operates within low-voltage circuits and provides fast response to fault conditions while minimizing nuisance tripping under typical load variations. Functional Behavior: The fuse operates by increasing resistance sharply in response to thermal energy generated by excess current. This behavior reduces current flow and limits fault energy. After removal of the overcurrent condition, the device gradually returns to its conductive state, enabling repeated use without replacement. Applications: Suitable for use in power lines, battery packs, USB interfaces, consumer electronics, and other low-voltage systems where resettable overcurrent protection is required. Compliance and Reliability: Designed to meet relevant safety and environmental standards for electronic components, ensuring stable performance across specified operating conditions and long-term reliability in field applications. #commonpartslibrary #fuse #Circuit-Protection #PTC #ptc #polymeric