APD430 400M Free-Space Avalanche Detectors Module

APD430 Series Avalanche Photodetector, Free-Space, SMA Output, High Gain, Ultra Weak Laser Detection.

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  The Free-Space Avalanche Detector Module, model APD430. With its high gain and low noise characteristics, this module is designed for detecting weak light signals in free space applications. It features a wide 400M bandwidth and delivers an analog output signal. The APD430 is ideal for use in applications such as low light detection and laser radar.


  M-factor temperature compensation
  APD overcurrent protection
  Low noise and high gain
  All metal shell, excellent shielding performance
  M6 threaded hole for easy installation


  Detects ultra-weak light signals
  Detect fast laser pulses



Parameter APD430A-400M APD430C-400M
Material Si InGaAs
Wavelength Range 400-1100nm 800-1700nm
Optical Input Free Space(FC Option) Free Space(FC Option)
Detector Size 230um 200um
Responsiveness 55A/W @ 905nm (M = 100) 18A/W @ 1550nm (M = 20)
Bandwidth DC-400MHz DC-400MHz
Rise Time 0.9ns 0.9ns
Conversion Gain (Max) @HiZ 5.5x10^5V/W 1.8x10^5V/W
Comprehensive noise 15nW(RMS) 40nW(RMS)
Saturated optical power 5.5uW 16.7uW
Noise voltage <18mV <18mV
Maximum output amplitude@HiZ 3V 3V
Operating voltage 12VDC ±10% 12VDC ±10%
Operating current <200mA <200mA
Output connector SMA SMA
Output impedance 50Ω 50Ω
AC or DC Coupling DC DC
Operating temperature -20~60℃ -20~60℃
Storage temperature -40~85℃ -40~85℃
Dimensions 60mm x 50mm x 32mm(LxWxD) 60mm x 50mm x 32mm(LxWxD)


Response curve of APD430A-400M
The Response curve of APD430A-400M
Response curve of APD430C-400M
The Response curve of APD430C-400M

Mechanical Drawing

Dimensional drawing of APD430A-400M

APD430 Avalanche Photodetector, Si/InGaAs, Free-Space