CT851 Series DC Input 4-Pin Phototransistor Optocoupler
Features
• High isolation 5000 VRMS • CTR flexibility available...
CT851 Series DC Input 4-Pin Photo
transistor Optocoupler
Features
High isolation 5000 VRMS CTR flexibility available see order information DC input with
transistor output External Creepage ≥ 7.5mm (S/SL Type) External Creepage ≥ 8.0mm (SLM Type) Operating temperature range - 55 °C to 100 °C
Regulatory Approvals
UL - UL1577 (E364000) VDE - EN60747-5-5(VDE0884-5) CQC – GB4943.1, GB8898 IEC60065, IEC60950
Description
The CT851 series consists of a high power
transistor optically coupled to a gallium arsenide Infrared-emitting diode in a 4-lead DIP package different lead forming options.
Applications
Switch mode power supplies Computer peripheral interface Microprocessor system interface
Package Outline
Schematic
Note: Different lead forming options available. See package dimension.
CT Micro Proprietary & Confidential
Page 1
Rev 1 Jun, 2015
CT851 Series DC Input 4-Pin Photo
transistor Optocoupler
Absolute Maximum Rating at 25oC
Symbol
Parameters
VISO Isolation voltage
PTOT Total power dissipation
TOPR Operating temperature
TSTG Storage temperature
TSOL Soldering temperature
Emitter
IF Forward current
IF(TRANS) Peak transient current (≤1µs P.W,300pps)
VR Reverse voltage
PD Emitter power dissipation
Detector
PD Detector power dissipation
BVCEO Collector-Emitter Breakdown Voltage
BVECO Emitter-Collector Breakdown Voltage
IC Collector Current
Ratings 5000 260
-55 ~ +100 -55 ~ +150
260
80 1 6 150
300 350
7 100
Units VRMS mW
oC oC oC
Note...