4N25X, 4N26X, 4N27X, 4N28X 4N25, 4N26, 4N27, 4N28 OPTICALLY COUPLED ISOLATOR PHOTOTRANSISTOR OUTPUT APPROVALS l UL recognised, File No. E91231 'X' SPECIFICATION APPROVALS l VDE 0884 in 3 available lead form : - STD - G form - SMD approved to CECC 00802 l Certified to 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 4N25, 4N26, 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 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 (5.3kVRMS ,7.5kVPK ) 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 Dimensions in mm 2.54 7.0 6.0 1 2 6 5 3 4 1.2 7.62 6.62 7.62 4.0 3.0 13° Max 0.5 3.0 0.5 3.35 0.26 ABSOLUTE MAXIMUM RATINGS (25°C unless otherwise specified) Storage Temperature -55°C to + 150°C Operating Temperature -55°C to + 100°C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260°C l OPTION SM OPTION G SURFACE MOUNT 7.62 INPUT DIODE Forward Current Reverse Voltage Power Dissipation 60mA 6V 105mW OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Collector-base Voltage BVCBO Emitter-collector Voltage BVECO Power Dissipation 30V 70V 6V 160mW POWER DISSIPATION 0.6 0.1 10.46 9.86 1.25 0.75 0.26 Total Power Dissipation 200mW (derate linearly 2.67mW/°C above 25°C) 10.16 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 [email protected] http://www.isocom.com 5/2/03 DB91028m-AAS/A4 ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted ) PARAMETER Input MIN TYP MAX UNITS Forward Voltage (VF) 1.2 Reverse Current (IR) Output Coupled 1.5 V IF = 10mA 10 µA VR = 6V Collector-emitter Breakdown (BVCEO) ( Note 2 ) Collector-base Breakdown (BVCBO) Emitter-collector Breakdown (BVECO) Collector-emitter Dark Current (ICEO) Collector-base Dark Current (ICBO) 30 V IC = 1mA 70 6 50 20 V V nA nA IC = 100µA IE = 100µA VCE = 10V VCE = 10V Current Transfer Ratio (CTR) 4N25, 4N26 4N27, 4N28 Collector-emitter Saturation VoltageVCE(SAT) 20 10 0.5 % % V 10mA IF , 10V VCE 10mA IF , 10V VCE 50mA IF , 2mA IC VRMS VPK Ω See note 1 See note 1 VIO = 500V (note 1) µs µs µs µs VCC = 10V , IF= 10mA, RL = 100Ω Input to Output Isolation Voltage VISO 5300 7500 5x1010 Input-output Isolation Resistance RISO Turn-on Time Turn-off Time Output Rise Time Output Fall Time Note 1 Note 2 TEST CONDITION ton toff tr tf 4 3 2 2 ( FIG 1) Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory. VCC Input ton toff RL = 100Ω tr Output tf Output 10% 10% 90% 90% FIG 1 5/2/03 DB91028m-AAS/A4 Collector Power Dissipation vs. Ambient Temperature Relative Current Transfer Ratio vs. Forward Current Relative current transfer ratio Collector power dissipation PC (mW) 200 150 100 50 2.8 2.4 2.0 1.6 1.2 0.8 VCE = 0.5V TA = 25°C 0.4 0 0 -30 0 25 50 75 100 1 125 2 5 10 20 50 Forward current IF (mA) Ambient temperature TA ( °C ) Forward Current vs. Ambient Temperature Relative Current Transfer Ratio vs. Forward Current 80 Relative current transfer ratio Forward current IF (mA) 70 60 50 40 30 20 10 1.4 1.2 1.0 0.8 0.6 0.4 VCE = 10V TA = 25°C 0.2 0 -30 0 25 50 75 100 125 1 Ambient temperature TA ( °C ) 1.0 0.5 0 0 25 50 75 Ambient temperature TA ( °C ) 5/2/03 100 Collector-emitter saturation voltage VCE(SAT) (V) Relative current transfer ratio IF = 10mA VCE = 10V -30 5 10 20 50 Forward current IF (mA) Relative Current Transfer Ratio vs. Ambient Temperature 1.5 2 Collector-emitter Saturation Voltage vs. Ambient Temperature 0.14 0.12 IF = 50mA IC = 2mA 0.10 0.08 0.06 0.04 0.02 0 -30 0 25 50 75 100 Ambient temperature TA ( °C ) DB91028m-AAS/A4