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DESCRIPTION

The SFH628A (DIP) and SFH6286 (SMD) feature a high

current transfer ratio, low coupling capacitance and high

isolation voltage. These couplers have a GaAs infrared

emitting diode, which is optically coupled to a silicon planar

phototransistor detector, and is incorporated in a plastic

DIP-4 or SMD package.

The coupling devices are designed for signal transmission

between two electrically separated circuits.

The couplers are end-stackable with 2.54 mm lead spacing.

Creepage and clearance distances of > 8 mm are achieved

with option 6. This version complies with IEC 60950

(DIN VDE 0805) for reinforced insulation to an operation

voltage of 400 VRMS or DC.

FEATURES

? High common mode interference immunity

? Isolation test voltage, 5300 VRMS

? Low coupling capacitance

? Good CTR linearity depending on forward

current

? Low CTR degradation

? High collector emitter voltage, VCEO = 55 V

? Material categorization: For definitions of compliance

please see www.vishay.com/doc?99912

APPLICATIONS

? Telecom

? Industrial controls

? Battery powered equipment

? Office machines

AGENCY APPROVALS

? UL1577, file no. E52744 system code H

? DIN EN 60747-5-5 (VDE0884-5), available with option 1

? BSI IEC 60950; IEC 60065