component
DY-ITR9909
Public Made by Adomby adom
TONYU Reflective Optical Interrupters, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownDY-ITR9909
TONYU · Reflective Optical Interrupters · DIP-4
DY-ITR9909 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 | Cathode | passive | Infrared emitter LED cathode; rated IF 50 mA continuous, 1 A peak (pulse ≤100 µs, 1% duty), VR 5 V max. |
| 2 | Anode | passive | Infrared emitter LED anode; forward voltage 1.2 V typ, 1.5 V max at IF=20 mA, with a series resistor needed for current limiting. |
| 3 | Emitter | passive | Phototransistor emitter, shown grounded in the schematic; emitter-collector voltage BVECO 5 V max. |
| 4 | Collector | passive | Phototransistor collector; collector-emitter voltage BVCEO 30 V max, collector current Ic 50 mA max. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TONYU |
| Package | DIP-4 |
| Category | Optoelectronics |
| Pins | 4 |
CAD (KiCad official)
- Symbol:
DY-ITR9909 - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
dy-itr9909-etched.step/dy-itr9909-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dy-itr9909.step/dy-itr9909.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TONYU datasheet (10 pp, sha256
80c89b21fee560d7, retrieved 2026-10-13, 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).