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VO208AT

Public Made by Adom

by adom

Vishay Intertech Transistor, Photovoltaic Output Optoisolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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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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Contents

README

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VO208AT

Vishay Intertech · Transistor, Photovoltaic Output Optoisolators · SOIC-8

VO208AT from Vishay Intertech, in a SOIC-8. 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 A input LED anode; forward current IF max 60 mA continuous, VF typ 1.3 V at IF = 10 mA.
2 K input LED cathode; peak reverse voltage VR max 6 V.
3 NC unconnected No internal connection.
4 NC unconnected No internal connection.
5 E passive Phototransistor emitter; BVECO 7 V min (emitter-collector breakdown).
6 C passive Phototransistor collector; BVCEO 70 V min, IC max 50 mA DC (100 mA for t < 1 ms).
7 B passive Phototransistor base connection; collector-base breakdown BVCBO 70 V absolute maximum.
8 NC unconnected No internal connection.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package SOIC-8
Category Optoisolators
Pins 8

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 1.3 1.5 V IF = 10 mA 2
Reverse current IR 0.1 100 μA VR = 6 V 2
Collector emitter breakdown voltage BVCEO 70 V IC = 100 μA 2
Emitter collector breakdown voltage BVECO 7 10 V IE = 10 μA 2
Collector base breakdown voltage BVCBO 100 V IC = 100 μA 2
Collector base current ICBO 1 nA 2
Emitter base current IEBO 1 nA 2
Collector emitter leakage current ICEO 5 50 nA VCE = 10 V 2
Saturation voltage, collector emitter VCEsat 0.4 V IC = 2 mA, IF = 10 mA 2
Current transfer ratio CTR 160 320 % IF = 10 mA, VCE = 5 V 2
Isolation test voltage VISO 4000 VRMS 1 s 3
Peak transient overvoltage VIOTM 6000 V 3
Peak insulation voltage VIORM 560 V 3
Safety rating - power output PSO 350 mW 3
Safety rating - input current ISI 150 mA 3
Safety rating - temperature TSI 165 °C 3
Comparative tracking index CTI 175 399 3
Peak reverse voltage VR 6 V 1
Forward continuous current IF 60 mA 1
Peak forward current IFM 1 A 1 μs, 300 pps 1
Input power dissipation Pdiss 90 mW INPUT 1
Collector emitter breakdown voltage BVCEO 70 V 1
Emitter collector breakdown voltage BVECO 7 V 1
Collector-base breakdown voltage BVCBO 70 V 1
Collector current DC ICmax. DC 50 mA 1
Collector current ICmax. 100 mA t < 1 ms 1
Output power dissipation Pdiss 150 mW OUTPUT 1
Isolation test voltage VISO 4000 VRMS 1
Total package dissipation Ptot 240 mW LED and detector 1
Operating temperature Tamb -40 100 °C 1
Storage temperature Tstg -40 150 °C 1
Soldering time at 260 °C Tsld 10 s 1
Input capacitance CO 13 pF VR = 0 V 2
Capacitance, input to output CIO 0.5 pF 2
Turn-on time ton 3 μs IC = 2 mA, RL = 100 Ω, VCC = 10 V 2
Turn-off time toff 3 μs IC = 2 mA, RL = 100 Ω, VCC = 10 V 2
Rise time tr 3 μs IC = 2 mA, RL = 100 Ω, VCC = 10 V 2
Fall time tf 2 μs IC = 2 mA, RL = 100 Ω, VCC = 10 V 2
Resistance (input to output) RIO 100 GΩ 3
Common mode transient immunity at logic high /CMH/ 5000 V/μs VCM = 1000 VP-P, RL = 1 kΩ, IF = 0 mA 3
Common mode transient immunity at logic low /CML/ 5000 V/μs VCM = 1000 VP-P, RL = 1 kΩ, IF = 10 mA 3

CAD (KiCad official)

  • Symbol: VO208AT
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: vo208at-etched.step / vo208at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); vo208at.step / vo208at.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (6 pp, sha256 5047e2c31ca03f85, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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