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CY4N33

Public Made by Adom

by adom

OCIC Logic Output Optoisolators, DIP-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CY4N33

OCIC · Logic Output Optoisolators · DIP-6

CY4N33 from OCIC, in a DIP-6. 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 input infrared LED; forward current IF max 80 mA, reverse voltage VR max 3 V.
2 CATHODE passive Cathode of the input infrared LED, the return for forward current IF (recommended 16 mA typ, 25 mA max).
3 N/C unconnected No internal connection.
4 EMITTER passive Emitter of the output photodarlington transistor; VECO max 6 V.
5 COLLECTOR passive Collector of the output photodarlington transistor; VCEO max 30 V, recommended operating VCE up to 24 V.
6 BASE passive Base of the output photodarlington transistor's photodetector stage.

Key specifications

Parameter Value
Manufacturer OCIC
Package DIP-6
Category Optoisolators
Pins 6

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 1.15 1.3 V IF=10 mA 2
Reverse current IR 100 μA VR=3 V 2
Collector-emitter breakdown voltage BVCEO 50 V IC=0.5mA 2
Emitter-collector breakdown voltage BVECO 6 V IE=0.1mA 2
Collector dark current ICEO 10 100 nA VCE=24V 2
Collector dark current at 85C ICEO 2 50 μA VCE=24V,Ta=85℃ 2
Current transfer ratio CTR 500 % IF=5 mA,VCE=5V 2
Collector-emitter saturation voltage VCE(sat) 1 V IC=2mA,IF=8mA 2
Operating voltage VCE 5 24 V 2
Forward input current IF 16 25 mA 2
Operating temperature Topr 85 ℃ 2
Forward current IF 80 mA Ta=25℃ 1
Peak forward current IFSM 3 A tp≤10μs 1
Reverse voltage VR 3 V Ta=25℃ 1
Input junction temperature Tj 125 ℃ Ta=25℃ 1
Collector-emitter voltage VCEO 30 V Ta=25℃ 1
Emitter-collector voltage VECO 6 V Ta=25℃ 1
Output power PC 150 mW Ta=25℃ 1
Storage temperature Tstg -55 125 ℃ 1
Operating temperature Topr -55 100 ℃ 1
Soldering temperature Tsol 260 ℃ 10s 1
Total power dissipation PT 250 mW TA=25 1
Total power dissipation derating ΔPT/℃ -2.5 mW/℃ above 25°C 1
Input-output isolation voltage VISO 4500 Vrms AC, 1Sec, R.H.≤60% 1
Input capacitance CT 30 pF V=0, f=1MHz 2
Output capacitance (collector-emitter) CCE 150 pF V=0,f=1MHz 2
Maximum working isolation voltage VIORM 500 V -25~85℃ 3
Cutoff frequency fco 250 kHZ VCC=10 V, IC=50mA, IF=200mA, R=75Ω 3

CAD (KiCad official)

  • Symbol: CY4N33
  • Footprint: Package_DIP:DIP-6_W7.62mm
  • 3D model: DIP-6 (KiCad packages3D, STEP)
  • 3D model files: cy4n33-etched.step / cy4n33-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cy4n33.step / cy4n33.glb are the bare package body.

Provenance

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

  • Datasheet: OCIC datasheet (6 pp, sha256 7d1d4597019c3266, retrieved 2026-10-27, 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