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HCPL-181-00BE

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by adom

Broadcom AVAGO Transistor, Photovoltaic Output Optoisolators, SOP-4-2.54mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HCPL-181-00BE

Broadcom AVAGO · Transistor, Photovoltaic Output Optoisolators · SOP-4-2.54mm

HCPL-181-00BE from Broadcom AVAGO, 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 passive LED anode; the absolute maximum average forward current is 50 mA and the reverse input voltage is 6 V.
2 CATHODE passive LED cathode; the reverse input voltage rating is 6 V maximum.
3 EMITTER passive Phototransistor emitter; the emitter-collector voltage rating is 6 V maximum.
4 COLLECTOR passive Phototransistor collector; the collector-emitter voltage rating is 80 V and the collector current rating is 50 mA maximum.

Key specifications

Parameter Value
Manufacturer Broadcom AVAGO
Package SOP-4-2.54mm
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
Current Transfer Ratio Rank B CTR 130 260 % IF = 5 mA, VCE = 5 V, TA = 25˚C 4
Forward Voltage VF 1.2 1.4 V IF = 20 mA 4
Reverse Current IR 10 µA VR = 4 V 4
Terminal Capacitance Ct 30 250 pF V = 0, f = 1 KHz 4
Collector Dark Current ICEO 100 nA VCE = 20 V 4
Collector-Emitter Breakdown Voltage BVCEO 80 V IC = 0.1 mA, IF = 0 4
Emitter-Collector Breakdown Voltage BVECO 6 V IE = 10 µA, IF = 0 4
Collector Current IC 2.5 30 mA IF = 5 mA, VCE = 5 V 4
Collector-Emitter Saturation Voltage VCE(sat) 0.2 V IF = 20 mA, IC = 1 mA 4
Response Time (Rise) tr 4 18 µs VCC = 2 V, IC = 2 mA 4
Response Time (Fall) tf 3 18 µs RL = 100 Ω 4
Floating Capacitance Cf 0.6 1 pF V = 0, f = 1 MHz 4
Storage Temperature TS -55 155 °C 4
Operating Temperature TA -55 100 °C 4
Lead Solder Temperature 260 °C for 10 s (1.6 mm below seating plane) 4
Average Forward Current IF 50 mA 4
Reverse Input Voltage VR 6 V 4
Input Power Dissipation PI 70 mW 4
Collector Current IC 50 mA 4
Collector-Emitter Voltage VCEO 80 V 4
Emitter-Collector Voltage VECO 6 V 4
Collector Power Dissipation 150 mW 4
Total Power Dissipation 170 mW 4
Isolation Voltage Viso 3750 Vrms AC for 1 minute, R.H. = 40 ~ 60% 4

CAD (KiCad official)

  • Symbol: HCPL-181-00BE
  • Footprint: Package_SO:SOP-4_3.8x4.1mm_P2.54mm
  • 3D model: SOP-4-2.54mm (KiCad packages3D, STEP)
  • 3D model files: hcpl-181-00be-etched.step / hcpl-181-00be-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hcpl-181-00be.step / hcpl-181-00be.glb are the bare package body.

Provenance

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

  • Datasheet: Broadcom AVAGO datasheet (6 pp, sha256 ff13b585f39f08fa, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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