component
VOL618A-3T
Public Made by Adomby adom
Vishay Intertech Transistor, Photovoltaic Output Optoisolators, SOP-4-2.54mm. 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
markdownVOL618A-3T
Vishay Intertech · Transistor, Photovoltaic Output Optoisolators · SOP-4-2.54mm
VOL618A-3T from Vishay Intertech, 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 | A | passive | Anode of the GaAs infrared emitting diode input; forward current IF is rated at 60 mA maximum. |
| 2 | C | passive | Cathode of the infrared emitting diode input; reverse voltage VR is rated at 6 V maximum. |
| 3 | E | passive | Emitter of the output phototransistor; emitter-collector voltage VECO is rated at 7 V maximum. |
| 4 | C | passive | Collector of the output phototransistor; collector-emitter voltage VCEO is rated at 80 V maximum and collector current IC at 50 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF | 1.16 | 1.5 | V | IF = 5 mA | 2 | |
| Reverse current | IR | 100 | μA | VR = 6 V | 2 | ||
| Collector emitter leakage current | ICEO | 10 | 200 | nA | VCE = 10 V, IF = 0 A | 2 | |
| Current transfer ratio (VOL618A-3 bin) | CTR | 100 | 200 | % | IF = 1 mA, VCE = 5 V | 3 | |
| Collector emitter saturation voltage (VOL618A-3) | VCEsat | 0.25 | 0.4 | V | IC = 0.5 mA, IF = 1 mA | 2 | |
| Reverse voltage | VR | 6 | V | 2 | |||
| Power dissipation (input) | Pdiss | 100 | mW | 2 | |||
| Forward current | IF | 60 | mA | 2 | |||
| Forward surge current | IFSM | 1.5 | A | tp < 10 μs | 2 | ||
| Junction temperature (input) | Tj | 125 | °C | 2 | |||
| Collector emitter voltage | VCEO | 80 | V | 2 | |||
| Emitter collector voltage | VECO | 7 | V | 2 | |||
| Collector current (DC) | IC | 50 | mA | 2 | |||
| Collector current (pulsed) | IC | 100 | mA | tp/T = 0.5, tp < 10 ms | 2 | ||
| Power dissipation (output) | Pdiss | 150 | mW | 2 | |||
| Junction temperature (output) | Tj | 125 | °C | 2 | |||
| Total power dissipation | Ptot | 250 | mW | 2 | |||
| Storage temperature range | Tstg | -55 | 125 | °C | 2 | ||
| Ambient temperature range | Tamb | -55 | 110 | °C | 2 | ||
| Soldering temperature | Tsld | 260 | °C | ≤ 10 s | 2 |
CAD (KiCad official)
- Symbol:
VOL618A-3T - Footprint:
Package_SO:SOP-4_3.8x4.1mm_P2.54mm - 3D model: SOP-4-2.54mm (KiCad packages3D, STEP)
- 3D model files:
vol618a-3t-etched.step/vol618a-3t-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);vol618a-3t.step/vol618a-3t.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (9 pp, sha256
c6dad3f84d69542d, retrieved 2026-10-26, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).