CNZ3734 Maximum Ratings
(Ta = 25°C)
*1 Pulse width100 ms, repeat 100 pps
*2 Input power derating ratio is 0.75 mW/°C at Ta 25°C.
*3 Output power derating ratio is 3.0 mW/°C at Ta25°C (CNZ3731, CNC2S501).
Output power derating ratio is 0.75 mW/°C at Ta 25°C (CNC7C501, CNC2S502, CNZ3734, CNC7H501).
*4 AC 1min., RH < 60 %
CNZ3734 Features
High collector to emitter breakdown voltage : VCEO > 300 V, A type : VCEO > 350 V
High current transfer ratio with Darlington phototransistor output : CTR = 4000% (typ.)
High I/O isolation voltage : VISO5000 Vrms
Small DIL package for saving mounting space
UL listed (UL File No. E79920)
A-type models have a guaranteed internal insulating distance of 0.4 mm
CNZ3734 Typical Application
Telephones
Telephone exchange
FAX
Programmable controllers
Signal transfer between circuits with different potentials and impedances
CNZ3734 Connection Diagram
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