SFH628A-2, SFH628A-3, SFH628A-4 LOW INPUT CURRENT PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS APPROVALS z UL recognised, File No. E91231 Package Code " EE " 'X' SPECIFICATION APPROVALS z VDE 0884 in 3 available lead form : - STD - G form - SMD approved to CECC 00802 DESCRIPTION The SFH628A series of optically coupled isolators consist of inverse parallel infrared light emitting diodes and NPN silicon photo transistors in space efficient dual in line plastic packages. Dimensions in mm 2.54 1 2 7.0 6.0 4 3 1.2 5.08 4.08 7.62 4.0 3.0 13 Max 0.5 3.0 0.5 3.35 0.26 FEATURES z Options :10mm lead spread - add G after part no. Surface mount - add SM after part no. Tape&reel - add SMT&R after part no. z Low input current 0.5mA IF z High Current Transfer Ratios (63-500% at 1mA, 32% min at 0.5mA) z High Isolation Voltage (5.3kVRMS ,7.5kVPK ) z High BVCEO (55V min) z All electrical parameters 100% tested z Custom electrical selections available ABSOLUTEMAXIMUMRATINGS (25C unless otherwise specified) APPLICATIONS z Computer terminals z Industrial systems controllers z Measuring instruments z Signal transmission between systems of different potentials and impedances OUTPUT TRANSISTOR OPTION G OPTION SM 7.62 SURFACE MOUNT Storage Temperature -55C to + 125C Operating Temperature -30C to + 100C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260C INPUTDIODE Forward Current Power Dissipation 50mA 70mW Collector-emitter Voltage BVCEO Emitter-collector Voltage BVECO Collector Current Power Dissipation 55V 6V 50mA 150mW POWER DISSIPATION Total Power Dissipation 200mW (derate linearly 2.67mW/C above 25C) 0.6 0.1 10.46 9.86 1.25 0.75 0.26 10.16 ISOCOM COMPONENTS 2004 LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1UD Tel: (01429) 863609 Fax :(01429) 863581 20/8/08 DB92514 ELECTRICAL CHARACTERISTICS ( TA = 25C Unless otherwise noted ) PARAMETER MIN TYP MAX UNITS TEST CONDITION Input Forward Voltage (VF) Output Collector-emitter Breakdown (BVCEO) 55 ( Note 2 ) Emitter-collector Breakdown (BVECO) 6 Collector-emitter Dark Current (ICEO) Coupled 1.5 Current Transfer Ratio (CTR) (Note 2) SFH628A-2 SFH628A-2 SFH628A-3 SFH628A-3 SFH628A-4 SFH628A-4 200 63 32 100 50 160 80 200 320 500 Collector-emitter Saturation Voltage VCESAT SFH628A-2 SFH628A-3 SFH628A-4 Input to Output Isolation Voltage VISO Input-output Isolation Resistance RISO 0.4 0.4 0.4 5300 7500 5x1010 Response Time (Rise), tr Response Time (Fall), tf Note 1 Note 2 4 3 18 18 V IF = 5mA V IC = 1mA V nA IE = 100A VCE = 10V % % % % % % 1mA IF , 0.5V VCE 0.5mA IF , 1.5V VCE 1mA IF , 0.5V VCE 0.5mA IF , 1.5V VCE 1mA IF , 0.5V VCE 0.5mA IF , 1.5V VCE V V V 1mA IF , 0.5mA IC 1mA IF , 0.8mA IC 1mA IF , 1.25mA IC VRMS VPK See note 1 See note 1 VIO = 500V (note 1) S S VCE = 2V, IC = 2mA RL = 100 Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory. Input ton toff RL tr Output tf Output 10% 10% 90% 90% FIG 1 20/8/08 DB92514m-AAS/A2 Collector Current vs. Low Collector-emitter Voltage (normalized to SFH628A-2 & SFH628A-3) Collector Power Dissipation vs. Ambient Temperature TA = 25C 2.0 Collector current IC (mA) Collector power dissipation PC (mW) 200 150 100 50 0 1.6 IF = 1mA 1.2 0.8 IF = 0.5mA 0.4 0 -30 0 25 50 75 100 0 125 Ambient temperature TA ( C ) 0.2 0.4 0.6 0.8 1.0 Collector-emitter voltage VCE ( V ) Relative Current Transfer Ratio vs. Ambient Temperature Forward Current vs. Ambient Temperature 50 Relative current transfer ratio Forward current IF (mA) 60 40 30 20 10 0 -30 0 25 50 75 100 1.5 1.0 0.5 0 -30 125 0.28 IF = 1mA IC = 0.5mA 0.16 0.12 0.08 0.04 50 75 100 100 80 60 40 VCE = 0.5V TA = 25 C 20 0 0 -30 0 25 50 75 Ambient temperature TA ( C ) 20/8/08 25 Current Transfer Ratio vs. Forward Current (normalized to SFH628A-2 & SFH628A-3) 120 Current transfer ratio CTR (%) Collector-emitter saturation voltage VCE(SAT) (V) Collector-emitter Saturation Voltage vs. Ambient Temperature 0.20 0 Ambient temperature TA ( C ) Ambient temperature TA ( C ) 0.24 IF = 1mA VCE = 0.5V 100 0.1 0.2 0.5 1 2 5 Forward current IF (mA) DB92514m-AAS/A2