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Vishay Semiconductor Opto Division — Optoisolators

Vishay Semiconductor Opto Division Optoisolators — 60 part numbers with specifications and datasheets. Filter by key specs and request a quote on ICBOMS.

Base Product Number
4N25 · 4N26 · 4N28 · 4N35
Current Transfer Ratio (Min)
20% @ 10mA · 10% @ 10mA · 100% @ 10mA · 500% @ 1.6mA
Operating Temperature
-55°C~100°C · -55°C ~ 100°C · -40°C~85°C · -40°C ~ 85°C
Package / Case
6-DIP (0.300", 7.62mm) · 6-DIP (0.400", 10.16mm) · 6-SMD, Gull Wing · 8-DIP (0.300", 7.62mm)
Voltage - Forward (Vf) (Typ)
1.2V · 1.36V · 1.3V · 1.35V
Current Transfer Ratio (Max)
- · 80% @ 10mA · 125% @ 10mA · 200% @ 10mA
Output Type
Transistor with Base · Open Collector · Open Drain · Darlington with Base
Rise / Fall Time (Typ)
7µs, 6.7µs · 2µs, 2µs · - · 27ns, 10ns

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