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Small silver metal cylinder with two short leads

YINGHUA

YINGHUA 3DU5C Phototransistor Silicon Two-Leg Metal Package

SKU CH-V6RD-B61YR

Silicon phototransistor in a two-leg metal package for light-sensing circuits

  • Product typeICs Semicoductors
  • Silicon phototransistor for light-sensing circuits
  • Two-lead metal can package aids heat dissipation
  • Through-hole mounting suits prototyping and repair
  • New old-stock component ready for immediate use

YINGHUA 3DU5C Phototransistor

The YINGHUA 3DU5C is a silicon phototransistor housed in a two-leg metal package. It functions as a light-sensitive semiconductor component for electronic circuits that detect or respond to optical signals. This device suits engineers and hobbyists building custom sensor modules or repairing equipment requiring through-hole photodetection. It is not for designs needing integrated amplification, digital output logic, or surface-mount footprints.

Installation and typical issues

The two leads allow direct through-hole soldering onto printed circuit boards with standard equipment. Correct polarity orientation is essential because the component is a unidirectional phototransistor. The metal package can conduct heat to the board, so excessive soldering temperature or duration may damage the silicon die. Ambient light leakage into the package sides can cause unwanted triggering if the application requires strict optical isolation.

How it compares

Measured against everything we stock in Encoders & Semiconductor Parts, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 87% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

How can I confirm the 3DU5C phototransistor is operating correctly after installation?

Apply a known light source to the silicon die and measure the collector current with a multimeter; a clear increase over the dark-current baseline shows the device is responding as intended.

What components are included with the YINGHUA 3DU5C and what must be sourced separately?

The package contains only the two-leg metal-can phototransistor itself; mounting hardware, current-limiting resistors, lenses and any PCB or wiring must be purchased separately.

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