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Document Number: 83620

2

Rev. 1.8, 08-Jan-08

IL256AT

Vishay Semiconductors

Optocoupler, Phototransistor Output,

AC Input, with Base Connection

Note

device and are the result of engineering evaluation. Typical values are for information only and are not part of the testing requirements.

Note

As per IEC 60747-5-2, §7.4.3.8.1, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance with the

safety ratings shall be ensured by means of prodective circuits.

ELECTRICAL CHARACTERISTICS

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

INPUT

Forward voltage

1.2

1.5

V

OUTPUT

Collector emitter breakdown voltage

30

50

V

Emitter collector breakdown voltage

510

V

Collector base breakdown voltage

70

90

V

Collector emitter leakage current

550

nA

COUPLER

Saturation voltage, collector emitter

0.4

V

CURRENT TRANSFER RATIO

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

DC current transfer ratio

20

%

Symmetry

(CTR at + 10 mA)/(CTR at -10 mA)

0.5

1

2

SAFETY AND INSULATION RATINGS

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Climatic classification

(according to IEC 68 part 1)

55/100/21

Comparative tracking index

CTI

175

399

6000

V

VIORM

560

V

PSO

350

mW

ISI

150

mA

TSI

165

°C

Creepage distance

4mm

Clearance distance

4mm

Insulation thickness, reinforced rated

per IEC 60950 2.10.5.1

0.2

mm