Hi-Reliability Optically Coupled Isolator

3C91C, 3C92C (TX), 3N243, 3N244, 3N245

(TX), 3N262

© TT electronics plc

General Note

TT Electronics reserves the right to make changes in product specification without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

TT Electronics | OPTEK Technology

2900 E. Plano Pkwy, Plano, TX 75074 | Ph: +1 972 323 2200

www.ttelectronics.com | sensors@ttelectronics.com

Rev B 02/2020 Page 4

Electrical Specifications

Electrical Characteristics (TA = 25° C unless otherwise noted)

SYMBOL

PARAMETER

MIN

TYP

MAX

UNITS

TEST CONDITIONS

Coupled

IC(ON)

On-State Collector Current

3C91C, 3C92C (TX)

3C91C, 3C92C (TX)

3N243

3N243

3N243

3N243

3N244

3N244

3N244

3N244

3N245 (TX)

3N245 (TX)

3N245 (TX)

3N245 (TX)

3N262

3N262

3N262

4.0

3.0

1.5

0.3

0.5

0.5

3.0

0.8

1.0

1.0

6.0

1.5

1.5

1.5

1.0

1.4

1.0

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

20

-

-

-

-

-

-

-

-

-

-

-

-

5

-

-

mA

IF = 10 mA , VCE = 5 V

IF = 10 mA , VCE = 0.4 V

IF = 10 mA , VCE = 10.0 V

IF = 3 mA , VCE = 10.0 V

IF = 10 mA , VCE = 10.0 V, TA = 55° C

IF = 10 mA , VCE = 10.0 V, TA = 100° C

IF = 10 mA , VCE = 10.0 V

IF = 3 mA , VCE = 10.0 V

IF = 10 mA , VCE = 10.0 V, TA = 55° C

IF = 10 mA , VCE = 10.0 V, TA = 100° C

IF = 10 mA , VCE = 10.0 V

IF = 3 mA , VCE = 10.0 V

IF = 10 mA , VCE = 10.0 V, TA = 55° C

IF = 10 mA , VCE = 10.0 V, TA = 100°

IF = 1 mA , VCE = 5.0 V

IF = 2.0 mA , VCE = 5.0 V, TA = 55° C

IF = 2.0 mA , VCE = 5.0 V, TA = 100° C

VCE(SAT)

Collector-Emitter Saturation Voltage

3C91C, 3C92C (TX)

3N243, 3N244, 3N245 (TX)

3N243, 3N244, 3N245 (TX)

3N243, 3N244, 3N245 (TX)

3N262

3N262

3N262

-

-

-

-

-

-

-

-

-

-

-

-

-

-

0.4

0.3

0.3

0.3

0.3

0.3

0.3

V

IF = 50 mA , IC = 10 mA

IF = 20 mA , IC = 1.50 mA

IF = 20 mA , IC = 3.0 mA

IF = 20 mA , IC = 6.0 mA

IF = 2.0 mA , IC = 0.50 mA

IF = 2.0 mA , IC = 1.0 mA

IF = 2.0 mA , IC = 2.0 mA

tON

Turn-on Time

3C91C, 3C92C (TX)

-

-

9

µs

VCC = 5 V, IC = 2 mA, RL = 100 Ω

tIOFF

Turn-off Time

3C91C, 3C92C (TX)

-

-

6

µs

VCC = 5 V, IC = 2 mA, RL = 100 Ω