Toshiba develops miniature photocoupler
A Toshiba Electronics Europe product story
Edited by the Electronicstalk editorial team Nov 3, 2008
Toshiba Electronics Europe (TEE) has announced a miniature photocoupler that combines transistor output with extended temperature operation and a high isolation voltage of 5,000V AC rms.
Available in two DIP4 package options, the TLP781 is suitable for a variety of applications, including switching power supplies, home appliances, solid-state relays and office equipment.
It is also suitable for use in controller designs and for applications requiring signal transmission between circuits with different voltages.
Toshiba's photocoupler consists of a GaAs infrared LED that is optically coupled to a phototransistor.
Minimum current transfer ratio is 50 per cent and collector-emitter voltage (VCE) is rated at 80V.
Package options comprise a 7.62mm pitch-type 4-pin DIP package and a 10.16mm pitch-type 4-pin DIP (TLP781F).
Both package options are rated for extended temperature operation between -55 and 110C.
The TLP781 is fully approved by all relevant UL, cUL, BSI, SEMCO and VDE safety standards.
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