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Home / Detector module / Si Detector Module / Lightcap C3A Series 30mm cage system compatible Si photodetector module

Lightcap C3A Series 30mm cage system compatible Si photodetector module

The C3A photodetector module incorporate photodiodes, amplifier and power regulator into a small package. It is suitable for both laboratory use and user system integration. The module requires positive and negative voltage to work. It has internal LDO to regulate the working voltage, reduce input noise and increase S/N ratio.

The C3A series contains Si and InGaAs photodiodes with different size and speed. The typical output with 1 mm2 Si photodiodes is ±3V, 0~25MHz. (±5V supply).

 Name Price Operation
1mm Si Photodiode Module $295.00
Features

● Compact Design

● Four φ6mm through holes for coaxial mounting

● For light-tight and air-tight applications

● Wide variety of sensor

● 20dB gain boost

● Wide input: ±5~±20V

Specifications

Item

Value

Detector

Silicon

Active Area

φ1.2mm (1.1 mm2)

Window

Plane borosilicate glass

Wavelength Range

320 – 1100nm

Peak Wavelength

960nm

Photo Sensitivity

0.45A/W@660nm

0.55A/W@830nm

Photo Directivity

±60º

NEP

6*10-15W/Hz1/2

Bandwidth

0 ~ 25MHz

Transimpedance Gain

50kV/A @ 0dB Gain

500kV/A @20dB Gain

Output voltage

0~+3V (into Hi-Z)

0~+1.5V (into 50Ω)

Output impedance

50Ω

Input Voltage

V+: +5 ~ +20V

V- : -5 ~ -20V

Operating Temperature

10~50 ºC

Max Pressure Difference

±50kPa


Spectral response

t5_副本.png

Mechanical Drawings

t6.png

Suggested surface mounting

Use two guide pins to locate the sensor precisely. Otherwise, use four M6 screws.

t7.png

                    (All dimensions in mm)


Installation tips  ( Photodetector C3A-S1010 )

                   When combined with 30mm cage systems,                                                        Use φ6mm guide pins and M6 screws for surface install,

                      use the screws on the side for locking                                                                         Add an O-ring for air-tight application. 


                          t1_副本.png                                                                                           t2_副本_副本.png                    


                 Use the M4 thread on top with common rods.                                                             Connect the inputs and outputs as following

                                       t3_副本.png                                                                                                 t4_副本.png

Application

● Monitoring the output of Q-switched lasers

● Monitoring the output of mode-locked lasers

● Monitoring the output of externally modulated CW lasers

● Time domain and frequency response measurements

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