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Description:

The TLP281 is designed as a very small and thin coupler, suitable for surface mount assembly in applications such as PCMCIA fax modem, programmable controllers. It consists of photo transistor, optically coupled to a gallium arsenide infrared emitting diode.

It has five features. (2) Its collector to emitter voltage is min 80V. (2) Its current transfer ratio is 50% min and rank GB is 100% min. (3) Its isolation voltage is 2500Vrms min. (4) Its UL recodnized is UL 1577, file No.E67349. (5) BSI approved: BS EN 60065 1994 and BS EN 41003 1997. Certificate No. 8143, 8144. That are all the main features.

Some absolute maximum ratings have been concluded into several points as follow. (1) For the LED its forward current would be 50mA. (2) Its forward current derating would be -0.7mA/°C. (3) Its pulse-forward current os 1A. (4) Its reverse voltage is 5V. (5) Its junction temperature is 125°C. (6) For the detector its collector to emitter voltage is 80V. (7) Its emitter to collector voltage is 7V. ( Its collector current is 50mA. (9) Its collector power dissipation is 150mW. (10) Its collector power dissipation derating is -1.5mW/°C. (11) Its operating temperature range is from -55°C to 100°C. (12) Its storage temperature range is from -55°C to 125°C. (13) Its lead soldering temperature is 260°C (10s). (14) Its total package power dissipation is 200mW. (15) Its total package power dissipation derating is -2.0mW/°C. (16) Its isolation voltage is 2500(AC, 1min, RH<=60%.) Vrms.