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Vishay TCDT1102G — Optoisolators

TCDT1102G Optocoupler, 5000Vrms Isolation, 6-DIP

MPNTCDT1102G
End of Life

TCDT1102G optocoupler, 1-channel, transistor output, 5000Vrms isolation, 63-125% CTR at 10mA, 6-DIP through-hole package, -55°C to 110°C.

$0.67Ref. price · indicative, final on quote
Vishay TCDT1102G datasheet (PDF)
Packaging6-DIP (0.400", 10.16mm)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TCDT1102G specifications
ParameterValue
Input typeDC
Output typeTransistor
MountingThrough Hole
Voltage - isolation5000Vrms
Voltage - output32V
Voltage - forward (Vf)1.25V
Current - output (Channel)50mA
Current transfer ratio125% @ 10mA
Current - DC forward (If)60 mA
Operating temperature-55°C ~ 110°C
PackageTube
Case6-DIP (0.400\", 10.16mm)
Channels1
Vce saturation300mV
Rise (Fall time)7µs, 6.7µs
Turn on (Turn off time)11µs, 7µs

Product details

What the 5000Vrms isolation means for your isolation barrier

The TCDT1102G is a single-channel optocoupler with a phototransistor output, rated for 5000Vrms isolation between input and output. That isolation voltage is the deciding spec for applications where you need a reinforced barrier — think motor-drive feedback, PLC digital inputs, or medical patient-interface circuits where a fault on the high-voltage side must not reach the low-voltage control logic. The 6-DIP through-hole package (0.400" pin spacing) gives you the creepage distance to support that rating in real PCB layouts without slotting the board.

CTR range and switching speed — what to expect at the bench

Current transfer ratio spans 63% to 125% at 10 mA forward current. Vce saturation maximum is 300 mV.

Input type is DC.

Frequently asked questions

What is the current transfer ratio (CTR) of TCDT1102G?

CTR is specified as 63% minimum and 125% maximum, both measured at 10 mA forward current. This range ensures consistent logic-level transfer across temperature and LED aging.

Is TCDT1102G compatible with 5V logic?

Yes. With a 50 mA maximum output current and 32 V output voltage rating, the transistor output can directly drive 5 V logic inputs when used with an appropriate pull-up resistor. The 63% minimum CTR at 10 mA forward current provides sufficient drive for standard 5 V CMOS or TTL inputs.