4N27 Datasheet

6 Pin w/ Base Lead


Features, Applications

APPROVALS l UL recognised, File No. E91231 'X' SPECIFICATION APPROVALS l VDE in 3 available lead form : - STD - G form - SMD approved to CECC 00802 l Certified EN60950 by the following Test Bodies :Nemko - Certificate No. P01102464 Fimko - Certificate No. FI18166 Semko - Reference No. 0202037/01-22 Demko - Certificate No. 311158-01 l BSI approved - Cetificate No. 8001 DESCRIPTION The 4N27, 4N28 series of optically coupled isolators consist of infrared light emitting diode and NPN silicon photo transistor in a standard 6 pin dual in line plastic package. FEATURES l Options :10mm lead spread - add G after part no. Surface mount - add SM after part no. Tape&reel - add SMT&R after part no. l High Isolation Voltage ) l All electrical parameters 100% tested l Custom electrical selections available APPLICATIONS l DC motor controllers l Industrial systems controllers l Measuring instruments l Signal transmission between systems of different potentials and impedances

ABSOLUTE MAXIMUM RATINGS (25�C unless otherwise specified) Storage Temperature + 150�C Operating Temperature + 100�C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260�C INPUT DIODE Forward Current Reverse Voltage Power Dissipation OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Collector-base Voltage BVCBO Emitter-collector Voltage BVECO Power Dissipation POWER DISSIPATION 6V 105mW

Total Power Dissipation 200mW (derate linearly 2.67mW/�C above 25�C)

ISOCOM COMPONENTS LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, TS25 1YD England Tel: (01429)863609 Fax (01429) 863581 e-mail sales@isocom.co.uk http://www.isocom.com

ISOCOM INC 1024 S. Greenville Ave, Suite 240, Allen, TX 75002 USA Tel: (214) 495-0755 Fax: (214) 495-0901 e-mail info@isocom.com http://www.isocom.com

ELECTRICAL CHARACTERISTICS ( TA= 25�C Unless otherwise noted ) PARAMETER Input Forward Voltage (VF) Reverse Current (IR) Output Collector-emitter Breakdown (BVCEO) ( Note 2 ) Collector-base Breakdown (BVCBO) Emitter-collector Breakdown (BVECO) Collector-emitter Dark Current (ICEO) Collector-base Dark Current (ICBO) Current Transfer Ratio (CTR) 4N27, 4N28 Collector-emitter Saturation VoltageVCE(SAT) Input to Output Isolation Voltage VISO Input-output Isolation Resistance RISO Turn-on Time Turn-off Time Output Rise Time Output Fall Time ton toff tr tf MIN TYP MAX UNITS 10 V

Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory.

Relative Current Transfer Ratio vs. Forward Current
Ambient temperature �C ) Relative Current Transfer Ratio vs. Ambient Temperature 1.5



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