SPEC NO: DS AD1555

REV NO: V.5

DATE: MAR/17/2005

PAGE: 1 OF 8

APPROVED: J. Lu

CHECKED: Tracy Deng

DRAWN: Y.CHENG

ERP: 1205000021

PHOTOCOUPLER

KB837-B

GENERAL PURPOSE

HIGH ISOLATION VOLTAGE

SINGLE TRANSISTOR TYPE

PHOTOCOUPLER SERIES

FEATURES

1.Lead forming (gull wing) type, for surface mounting.

2.High isolation voltage between input and output (Viso=5000 Vrms).

3.Compact dual-in-line package

KB837-B: 3-channel type.

4.Recognized by UL and CUL, file NO.E225308.

5.Approved by VDE 0884 Teil2(NO:40006364)

(Creepage distance between input and output:7mm or more).

6.RoHS compliant.

DESCRIPTION

1.The KB837-B (3-channel) is optically coupled isolators containing a GaAS light emitting diode

and an NPN silicon phototransistor.

2.The lead pitch is 2.54mm.

3.Solid insulation thickness between emitting diode and output phototransistor:>=0.6mm.

APPLICATIONS

1.Computer terminals.

2.Registers,copiers,automatic vending machines.

3.System appliances, measuring instruments.

4.Programmable logic controller.

5.Signal transmission between circuits of different potentials and impedances.