component
CYPC817A
Public Made by Adomby adom
OCIC Transistor, Photovoltaic Output Optoisolators, 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
markdownCYPC817A
OCIC · Transistor, Photovoltaic Output Optoisolators · DIP-4
CYPC817A from OCIC, 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 | LED anode of the input side; forward current IF max 50 mA, VF typ 1.2 V (max 1.4 V) at IF=20mA, reverse voltage max 6 V. |
| 2 | Cathode | passive | LED cathode of the input side, returned to the input drive ground; reverse voltage VR max 6 V. |
| 3 | Emitter | passive | Phototransistor emitter of the output side; VECO max 6 V. |
| 4 | Collector | passive | Phototransistor collector of the output side; VCEO max 80 V and IC max 50 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | OCIC |
| Package | DIP-4 |
| Category | Optoisolators |
| 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 current | IF | 50 | mA | Ta=25C | 1 | ||
| Reverse voltage | VR | 6 | V | Ta=25C | 1 | ||
| Power dissipation (input) | P | 70 | mW | Ta=25C | 1 | ||
| Derating factor (input power) | PDD | 2.9 | mW/°C | above Ta=100°C | 1 | ||
| Thermal resistance, junction to ambient | RthJ-A | 325 | °C/W | 1 | |||
| Thermal resistance, junction to case | RthJ-C | 200 | °C/W | 1 | |||
| Collector power dissipation | PC | 150 | mW | Ta=25C | 1 | ||
| Collector current | IC | 50 | mA | Ta=25C | 1 | ||
| Collector-emitter voltage | VCEO | 80 | V | Ta=25C | 1 | ||
| Emitter-collector voltage | VECO | 6 | V | Ta=25C | 1 | ||
| Total power dissipation | Ptot | 200 | mW | Ta=25C | 1 | ||
| Isolation voltage | Viso | 5000 | Vrms | Ta=25C | 1 | ||
| Operating temperature | Topr | -55 | 110 | °C | 1 | ||
| Storage temperature | Tstg | -55 | 125 | °C | 1 | ||
| Soldering temperature | Tsol | 260 | °C | 1 | |||
| Forward voltage | VF | 1.2 | 1.4 | V | IF=20mA | 2 | |
| Reverse current | IR | 10 | µA | VR=4V | 2 | ||
| Terminal capacitance | Ct | 30 | 250 | pF | V=0, f=1kHz | 2 | |
| Collector dark current | ICEO | 100 | nA | VCE=20V | 2 | ||
| Collector-emitter breakdown voltage | BVCEO | 80 | V | IC=0.1mA, IF=0 | 2 | ||
| Emitter-collector breakdown voltage | BVECO | 6 | V | IE=10µA, IF=0 | 2 | ||
| Current transfer ratio (grade A) | CTR | 80 | 160 | % | IF=5mA, VCE=5V, Ta=25°C, grade A | 2 | |
| Collector-emitter saturation voltage | VCE(sat) | 0.1 | 0.2 | V | IF=2mA, IC=5mA | 2 | |
| Isolation capacitance | Cf | 0.6 | 1 | pF | V=0, f=1MHz | 2 | |
| Cutoff frequency | Fc | 80 | kHz | VCE=5V, IC=2mA, RL=100Ω, -3dB | 2 | ||
| Rise time | Tr | 4 | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 2 | |
| Fall time | Tf | 3 | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 2 |
CAD (KiCad official)
- Symbol:
CYPC817A - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
cypc817a-etched.step/cypc817a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cypc817a.step/cypc817a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: OCIC datasheet (8 pp, sha256
9d3f14ea55212eb7, retrieved 2026-10-15, 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).