Product Summary

The TLP121 is a small outline coupler, suitable for surface mount assembly. It consists of a photo transistor,optically coupled to a gallium arsenide infrared emitting diode.

Parametrics

TLP121 absolute maximum ratings: (1)forward current: 50mA; (2)pulse forward curent: 1A; (3)reverse voltage: 5V; (4)junction temperature: 125℃; (5)storage temperature range: -55℃ to +125℃; (6)operating temperature range: -55℃ to +100℃; (7)lead soldering temperature: 260℃.

Features

TLP121 features: (1)collector-emitter voltage: 80V (min); (2)current transfer ratio: 50% (min.); (3)isolation voltage: 3750 Vrms(min.).

Diagrams

TLP121 pin configuration

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