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PDCA02-102 2-Segment Si PIN Photodiode Array for Position Detection

Si PIN Photodiode Array PDCA02-102

The PDCA02-102 is a high-performance Si PIN Photodiode Array designed for precision optical measurement and alignment systems. Engineered by Bee Photon, this 2-segment photodiode delivers a wide spectral response range from 400nm to 1100nm, covering the entire visible light spectrum into the near-infrared (NIR) region.

With its compact COB (Chip on Board) package and resin window, the PDCA02-102 ensures durability and easy integration into compact optical modules. It is specifically optimized for industrial applications where high sensitivity and fast response times are critical.

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Product Description

PDCA02-102 – Visible light to NIR Si PIN Photodiode Array

Features

  • Wide spectral response range (400 ~ 1100nm)
  • Low dark current
  • Low junction capacitance

Application

  • Position detection

Structure

Parameters PDCA02-102 Unit
Package COB –
Window material Resin –
Photosensitive area size 3.2×0.9 / 2 segments mm

Absolute maximum ratings

Parameters Symbol PDCA02-102 Unit
Storage temperature1 Tstg -20 to 80 °C
Operating temperature1 Topr -20 to 80 °C
Soldering temperature Tsol 260 °C
Reverse voltage (max) VR max 30 V

Note 1: No dew condensation

Electrical and Optical Characteristics

Parameters Symbol Condition PDCA02-102 Unit
Min. Typ. Max.
Spectral response λ – 400 to 1100 nm
Photosensitivity – @650nm 0.4 0.44 – A/W
Dark current ID VR=10mV – 0.2 50 nA
Terminal Capacity Ct VR=5V;
f=100kHz		 – 15 30 pF

Key Technical Advantages

  • Precision Segmented Design: Featuring a photosensitive area of 3.2×0.9mm split into 2 segments, this Si PIN Photodiode Array is ideal for differential measuring methods.
  • Superior Signal Clarity: The device boasts an ultra-low dark current (0.2nA typ. at VR=10mV), significantly reducing noise and enhancing the signal-to-noise ratio for detecting weak light signals.
  • Fast Response: With a low terminal capacitance of 15pF (typ.), it supports high-speed sensing requirements.

Applications

The PDCA02-102 is versatile for various B2B industrial applications, primarily focusing on:

  • Position Detection: Laser beam centering and nulling applications.
  • Edge Control: Web guiding systems in manufacturing.
  • Optical Alignment: Precision alignment for laser systems and optical encoders.
  • Motion Analysis: Surface profiling and displacement sensing.

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