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Contents

README

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HCPL-181-00DE

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

HCPL-181-00DE 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 Anode of the input light-emitting diode, with average forward current rated to 50 mA maximum in the Absolute Maximum Ratings.
2 CATHODE passive Cathode of the input light-emitting diode, with reverse input voltage rated to 6 V maximum in the Absolute Maximum Ratings.
3 EMITTER passive Emitter of the output phototransistor, with emitter-collector voltage rated to 6 V maximum in the Absolute Maximum Ratings.
4 COLLECTOR passive Collector of the output phototransistor, with collector-emitter voltage rated to 80 V maximum and collector current rated to 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 D) CTR 300 600 % 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 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 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-181-00DE
  • Footprint: Package_SO:SOP-4_3.8x4.1mm_P2.54mm
  • 3D model: SOP-4-2.54mm (KiCad packages3D, STEP)
  • 3D model files: hcpl-181-00de-etched.step / hcpl-181-00de-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hcpl-181-00de.step / hcpl-181-00de.glb are the bare package body.

Provenance

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

  • Datasheet: Broadcom AVAGO datasheet (6 pp, sha256 5b4b938feab3587b, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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