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CYTLP184

Public Made by Adom

by adom

OCIC Optocouplers - Phototransistor Output, SOP-4-2.54mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentoptocoupler-led-digital tube-photoelectric devicecytlp184factory-2.0.0extractor-text
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CYTLP184

OCIC · Optocouplers - Phototransistor Output · SOP-4-2.54mm

CYTLP184 from OCIC, in a SOP-4-2.54mm. 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/Cathode passive Input LED terminal (anode or cathode, AC-input antiparallel LEDs), rated IF ±50 mA continuous, ±1 A pulsed, VR 6 V.
2 Cathode/Anode passive Input LED terminal (cathode or anode, AC-input antiparallel LEDs), rated IF ±50 mA continuous, ±1 A pulsed, VR 6 V.
3 Emitter passive Phototransistor emitter, with emitter-collector voltage limited to 7 V.
4 Collector passive Phototransistor collector, rated VCEO 80 V and IC 50 mA maximum.

Key specifications

Parameter Value
Manufacturer OCIC
Package SOP-4-2.54mm
Category Optocoupler/LED/Digital Tube/Photoelectric Device
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 50 mA Ta=25C; printed as ±50 1
Forward pulse current IFP -1 1 A Ta=25C; printed as ±1 1
Reverse voltage VR 6 V Ta=25C 1
Power dissipation (input) P 70 mW Ta=25C 1
Junction temperature Tj 125 °C Ta=25C 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 7 V 2
Total power dissipation Ptot 200 mW 2
Isolation voltage Viso 3750 Vrms 2
Operating temperature Topr -55 110 °C 2
Storage temperature Tstg -55 125 °C 2
Soldering temperature Tsol 260 °C 10 s 2
Supply voltage VCC 5 48 V Recommended operating conditions 3
Forward current IF 16 20 mA Recommended operating conditions 3
Collector current IC 1 10 mA Recommended operating conditions 3
Forward voltage VF 1.1 1.25 1.4 V IF=±10mA 2
Reverse current IR 10 µA VR=5V 2
Collector dark current ICEO 100 nA VCE=70V 2
Collector dark current ICEO 2 50 µA VCE=70V, Ta=85°C 2
Emitter-collector breakdown voltage BVCEO 80 V IC=0.5mA, IF=0 2
Collector-emitter breakdown voltage (emitter-collector) BVECO 7 V IE=0.1mA, IF=0 2
Current transfer ratio CTR 50 600 % IF=±5mA, VCE=5V 2
Saturated current transfer ratio CTR(sat) 30 % IF=±1mA, VCE=0.4V 2
Collector-emitter saturation voltage VCE(sat) 0.3 V IF=±8mA, IC=2.4mA 2
Isolation capacitance Cf 0.6 1 pF V=0, f=1MHz 2
Collector off-state current IC(off) 1 10 µA VF=±0.7V, VCE=48V 2
CTR symmetry ratio IC(ratio) 0.33 1 3 IC2(IF=-5mA)/IC1(IF=5mA) 2
Isolation voltage BVs 3750 Vrms AC, 1 minute 2

CAD (KiCad official)

  • Symbol: CYTLP184
  • Footprint: Package_SO:SOP-4_3.8x4.1mm_P2.54mm
  • 3D model: SOP-4-2.54mm (KiCad packages3D, STEP)
  • 3D model files: cytlp184-etched.step / cytlp184-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cytlp184.step / cytlp184.glb are the bare package body.

Provenance

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

  • Datasheet: OCIC datasheet (9 pp, sha256 bbc18fc8cd2f4a84, retrieved 2026-10-21, 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