component
ZSOS-R0705-B08
Public Made by Adomby adom
Chau Light 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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Contents
README
markdownZSOS-R0705-B08
Chau Light · Reflective Optical Interrupters · DIP-4
ZSOS-R0705-B08 from Chau Light, 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 infrared emitting diode; continuous forward current max 50 mA, reverse voltage max 5 V, forward voltage 1.2 V typ at IF=20 mA. |
| 2 | Cathode | passive | Cathode of the infrared emitting diode, the return for the forward current (max 50 mA continuous). |
| 3 | Emitter | passive | Emitter of the NPN silicon phototransistor; emitter-collector voltage max 5 V. |
| 4 | Collector | passive | Collector of the NPN silicon phototransistor; collector-emitter voltage max 30 V, collector current max 20 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Chau Light |
| 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 |
|---|---|---|---|---|---|---|---|
| Input emitter power dissipation | Pd | 75 | mW | Ta=25℃, free air (note *1) | 3 | ||
| Reverse voltage | VR | 5 | V | Ta=25℃ | 3 | ||
| Forward current | IF | 50 | mA | Ta=25℃ | 3 | ||
| Peak forward current | IFP | 1 | A | Pulse width ≤100μs, duty cycle 1% (note *2) | 3 | ||
| Output detector power dissipation | Pd | 75 | mW | Ta=25℃, free air (note *1) | 3 | ||
| Collector-emitter voltage | VCEO | 30 | V | Ta=25℃ | 3 | ||
| Emitter-collector voltage | VECO | 5 | V | Ta=25℃ | 3 | ||
| Collector current | IC(ON) | 20 | mA | Ta=25℃ | 3 | ||
| Operating temperature | Topr | -25 | 85 | ℃ | 3 | ||
| Storage temperature | Tstg | -40 | 85 | ℃ | 3 | ||
| Lead soldering temperature | Tsol | 260 | ℃ | 2mm from form body for 5 seconds (note *3) | 3 | ||
| Forward voltage | VF | 1.2 | 1.5 | V | IF=20mA | 3 | |
| Forward voltage | VF | 1.4 | 1.85 | V | IF=100mA; pulse width ≤100μs, duty cycle 1% (note *2) | 3 | |
| Forward voltage | VF | 2.6 | 4 | V | IF=1A; pulse width ≤100μs, duty cycle 1% (note *2) | 3 | |
| Reverse current | IR | 10 | μA | VR=5V | 3 | ||
| Collector dark current | ICEO | 100 | nA | Ee=0mW/cm2, VCE=20V | 3 | ||
| Collector-emitter saturation voltage | VCE(SAT) | 0.4 | V | IC=2mA, Ee=1mW/cm2 | 3 | ||
| Collector current (on) | IC(ON) | 0.6 | mA | VCE=2V, IF=10mA | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | thermoplastic | thermoplastic housing.The phototransistor receives radiation from the IR | 2 |
CAD (KiCad official)
- Symbol:
ZSOS-R0705-B08 - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
zsos-r0705-b08-etched.step/zsos-r0705-b08-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);zsos-r0705-b08.step/zsos-r0705-b08.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Chau Light datasheet (9 pp, sha256
9e8ae5ad6437514e, retrieved 2026-10-16, 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).