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MCT271-MCT272-MCT275-MCT276-MCT277
Optocoupler, Phototransistor Output, With Base Connection
MCT270/ 1/ 2/ 3/ 4/ 5/ 6/ 7Document Number 83724
www.vishay.com
Optocoupler, Phototransistor Output, With Base Connection
Features Interfaces with common logic families Input-output coupling capacitance < 0.5 pF Industry Standard Dual-in line 6-pin package 5300 V RMS isolation test voltage
Agency Approvals UL - File No. E52744 System Code H or J DIN EN 60747-5-2(VDE0884)
DIN EN 60747-5-5 pending
Available with Option 1 CSA 93751 BSI IEC60950 IEC60965
ApplicationsAC mains detection
Reed relay driving
Switch mode power supply feedback
Telephone ring detection
Logic ground isolation
Logic coupling with high frequency noise rejection
For additional design information see Application
Note 45
DescriptionThe MCT27x family is an Industry Standard Single
Channel Phototransistor Couplers. It includes the
MCT270/ 271/ 272/ 273/ 274/ 275/ 276/ 277 couplers.
Each optocoupler consists of gallium arsenide infra-
red LED and a silicon NPN phototransistor.
These couplers are Underwriters Laboratories (UL)
listed to comply with a 5300 VRMS isolation test volt-
age.
This isolation performance is accomplished through
Vishay double molding isolation manufacturing pro-
cess. Compliance to DIN EN 60747-5-2(VDE0884)/
DIN EN 60747-5-5 pending partial discharge isolation
specification is available by ordering option 1.
