Condenser Microphone Capsule (2-pin)
18.00৳
Product details
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Description
The 2-Pin Electret Condenser Microphone Capsule is an acoustic transducer made to capture clear and accurate sound over a wide range of volumes. It uses an electrostatic charge and has a built-in Field Effect Transistor or FET to change the high impedance of the capsule into a signal that works well with standard audio circuits. This makes it highly sensitive and low in noise all packed into a metal case.
It has two pins that go through the board with the negative pin connected to the outer aluminum casing for grounding. Because of this design its commonly used in voice recording projects, intercom systems, smart home voice commands, acoustic sensing applications and custom audio preamplifiers.
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Key Features
- High Acoustic Sensitivity: The 2-Pin Electret Condenser Microphone Capsule picks up faint sounds and subtle voice cues across a large range of frequencies.
- Integrated FET Pre-Buffer: The built-in transistor helps match the capsule’s impedance, to normal mic or line input circuits making it easy to connect.
- Polarity Identification: The negative lead is clearly tied to the metal shell and trace lines on the back of the PCB make wiring simple and mistake-free.
- Minimal Footprint: The 2-Pin Electret Condenser Microphone Capsule fits easily into enclosures, handheld devices, toys, sensor units and wearable audio equipment.
General Specification
|
Parameter |
Specification |
Note |
|---|---|---|
|
Transducer Type |
Electret Condenser |
Integrated internal JFET buffer |
|
Directivity |
Omnidirectional |
Uniform 360-degree sound pickup |
|
Standard Operating Voltage |
2.0V – 4.5V DC |
Typically biased via 1.5kΩ – 2.2kΩ resistor |
|
Maximum Operating Voltage |
10V DC |
Safe threshold |
|
Current Consumption |
<= 0.5 mA |
Ultra-low power draw |
|
Sensitivity |
-58 dB to -38 dB (±3 dB) |
High acoustic sensitivity |
|
Frequency Response |
50 Hz – 16,000 Hz |
Crisp speech and voice range |
|
Signal-to-Noise Ratio (SNR) |
>= 58 dB |
Clean output with low hiss |
|
Termination |
2-Pin Through-Hole Leads |
Solderable leads (Polarized) |
|
Standard Dimensions |
~9 mm (Diameter) x 7 mm (Height) |
Common 9767 / 9x7 package |
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