Product Summary

The TLP121GB is a TOSHIBA mini flat coupler, suitable for surface mount assembly. The TLP121GB consists of a photo transistor, optically coupled to a gallium arsenide infrared emitting diode.

Parametrics

TLP121GB absolute maximum ratings: (1)LED Forward current IF: 50 mA; (2)LED Pulse forward current IFP: 1 (100μs pulse, 100pps)A; (3)LED Reverse voltage VR: 5 V; (4)LED Junction temperature Tj: 125 °C; (5)Detector Collector emitter voltage VCEO: 80 V; (6)Detector Emitter collector voltage VECO: 7 V; (7)Detector Collector current IC: 50 mA; (8)Detector Collector power dissipation PC: 150 mW.

Features

TLP121GB features: (1)LED Forward voltage VF IF = 10 mA: 1.0, 1.15, 1.3 V; (2)LED Reverse current IR VR = 5 V: 10 μA; (3)LED Capacitance CT V = 0, f = 1 MHz: 30pF; (4)Detector Collector emitter breakdown voltage V(BR)CEO IC = 0.5 mA: 80V; (5)Detector Emitter collector breakdown voltage V(BR)ECO IE = 0.1 mA: 7V; (6)Detector : Collector dark current ICEO VCE = 48 V: 10, 100 nA.

Diagrams

 TLP121GB pin connection

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TLP121GB
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