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CYPC817A

Public Made by Adom

by adom

OCIC Transistor, Photovoltaic Output Optoisolators, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CYPC817A

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cypc817a.step / cypc817a.glb are 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, 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