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DY-ITR8102

TONYU · Photointerrupters - Slot Type - Transistor Output · DIP-4

DY-ITR8102 from TONYU, in a DIP-4. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Anode passive Anode of the GaAlAs infrared LED; forward current max 50 mA, VF 1.2 V typ (1.5 V max) at IF=20mA, needs a series protection resistor.
2 Cathode passive Cathode of the infrared LED; reverse voltage max 5 V.
3 Collector passive Collector of the silicon phototransistor; Vceo max 30 V, collector current max 30 mA.
4 Emitter passive Emitter of the silicon phototransistor; emitter-collector voltage max 5 V.

Key specifications

Parameter Value
Manufacturer TONYU
Package DIP-4
Category Optoelectronics
Pins 4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Forward Voltage VF 1.2 1.5 V IF=20mA 3
Reverse Current IR 10 uA VR=5V 3
Dark Current Iceo 100 nA Vce=20V,Ee=0 3
C-E Saturation Voltage Vce(sat) 0.4 V Ic=2mA ,Ee=1 mW/cm2 3
Collect Current Ic(ON) 0.9 15 mA Vce=5V, IF=20mA 3
Forward Current IF 50 mA 5
Reverse Voltage VRP 5 V 5
Power Dissipation (input) Pd 75 mW 5
Collector Current Ic 30 mA 5
Collector-Emitter Voltage Vceo 30 V 5
Emitter-Collector Voltage Veco 5 V 5
Collector Power Dissipation (output) Pd 75 mW 5
Operation temperature Tapr -25 85 ℃ 5
Storage temperature Tstg -40 85 ℃ 5
Soldering temperature Tsol 260 ℃ Wave soldering, 3mm out of physical body, ≤3S 5

CAD (KiCad official)

  • Symbol: DY-ITR8102
  • Footprint: Package_DIP:DIP-4_W7.62mm
  • 3D model: DIP-4 (KiCad packages3D, STEP)
  • 3D model files: dy-itr8102-etched.step / dy-itr8102-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dy-itr8102.step / dy-itr8102.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TONYU datasheet (7 pp, sha256 f536523eac5ea51e, retrieved 2026-10-14, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF