component
PC817B-HXY
Public Made by Adomby adom
HXY MOSFET Transistor Output Optocoupler, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownPC817B-HXY
HXY MOSFET · Transistor Output Optocoupler · DIP-4
PC817B-HXY from HXY MOSFET, 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 | Anode of the input GaAs LED; forward current IF max 50 mA, reverse voltage VR max 6 V. |
| 2 | Cathode | passive | Cathode of the input GaAs LED, returned to the input-side ground; forward voltage VF typ 1.20 V, max 1.40 V at IF=20 mA. |
| 3 | Emitter | passive | Emitter of the output NPN phototransistor; VECO max 6 V. |
| 4 | Collector | passive | Collector of the output NPN phototransistor; VCEO max 35 V and IC max 50 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | DIP-4 |
| Category | Optocouplers/Photocouplers |
| 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 (PC817B) | CTR | 130 | 260 | % | IF=5mA, VCE=5V, Ta=25℃ | 3 | |
| Forward voltage | VF | 1.2 | 1.4 | V | IF=20mA | 2 | |
| Reverse current | IR | 5 | uA | VR=5V | 2 | ||
| Collector capacitance | Ct | 30 | 250 | pF | V=0, f=1MHz | 2 | |
| Collector-emitter dark current | ICEO | 150 | nA | VCE=70V, IF=0mA | 2 | ||
| Collector-emitter breakdown voltage | BVCEO | 70 | V | IC=0.1mA, IF=0mA | 2 | ||
| Emitter-collector breakdown voltage | BVECO | 6 | V | IE=10μA, IF=0mA | 2 | ||
| Collector-emitter saturation voltage | VCE(sat) | 0.1 | 0.2 | V | IF=20mA, IC=1mA | 3 | |
| Capacitance (input-output) | Cf | 0.6 | 1 | pF | V=0, f=1MHz | 3 | |
| Transforming frequency | fc | 80 | kHz | VCE=5V, IC=2mA, RL=100Ω, -3dB | 3 | ||
| Rise time | tr | 6 | 18 | μs | VCE=2V, IC=2mA, RL=100Ω | 3 | |
| Fall time | tf | 5 | 18 | μs | VCE=2V, IC=2mA, RL=100Ω | 3 | |
| Forward current | IF | 50 | mA | Ta=25℃ | 2 | ||
| Reverse voltage | VR | 6 | V | Ta=25℃ | 2 | ||
| Input power dissipation | P | 70 | mW | Ta=25℃ | 2 | ||
| Collector-emitter voltage | VCEO | 35 | V | Ta=25℃ | 2 | ||
| Emitter-collector voltage | VECO | 6 | V | Ta=25℃ | 2 | ||
| Collector current | IC | 50 | mA | Ta=25℃ | 2 | ||
| Collector power dissipation | PC | 150 | mW | Ta=25℃ | 2 | ||
| Total power dissipation | Ptot | 200 | mW | Ta=25℃ | 2 | ||
| Isolation voltage | Viso | 5000 | Vrms | AC test, 1 minute, humidity 40~60% | 2 | ||
| Max insulation voltage | VIOTM | 6000 | V | 2 | |||
| Rated impulse insulation voltage | VIORM | 630 | V | 2 | |||
| Operating temperature | Topr | -55 | 110 | ℃ | 2 | ||
| Storage temperature | Tstg | -55 | 125 | ℃ | 2 | ||
| Soldering temperature | Tsol | 260 | ℃ | soldering time 10 seconds | 2 |
CAD (KiCad official)
- Symbol:
PC817B-HXY - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
pc817b-hxy-etched.step/pc817b-hxy-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pc817b-hxy.step/pc817b-hxy.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HXY MOSFET datasheet (7 pp, sha256
c489fc2960a78cc7, retrieved 2026-10-22, 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).