IS3H4 INPUT (COMPACT RANGE) DESCRIPTION The IS3H4 is an optically coupled isolator consisting of two infrared light emitting diodes in inverse parallel and an NPN silicon photo transistor. It belongs to Isocom’s Compact range of opto-couplers AHP1 FEATURES • • • • • • • Low profile package ( half pitch ) Bi-Directional input AC Isolation test voltage 3750VRMS Low coupling capacitance typically 0.6pF CTR selections available Wide temperature range Lead free APPLICATIONS • • • • • Power Supply Feedback Voltage/Current Industrial system controllers Measuring instruments Ring detection on telephone lines Signal transmission between systems of different potentials and impedance ABSOLUTE MAXIMUM RATINGS Input Diode ORDER INFORMATION Forward Current Reverse Voltage Power dissipation • Output Transistor Available in Tape and Reel with 1000 and 5000 pieces per reel MARKING INFORMATION Please note that the device will be marked with the generic part number “AHP1” the date code will also be marked on the device. Collector to Emitter Voltage Emitter to Collector Voltage Collector Current Power Dissipation ±50mA 6V 70mW 80V 6V 50mA 150mW Total Package Isolation test Voltage Operating Temperature Storage Temperature 3750VRMS -55 to 100 C -55 to 125 C ISOCOM COMPONENTS LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1YD Tel: (01429) 863609 Fax :(01429) 863581 DC93157E IS3H4 AC Input ( Compact Range ) ELECTRICAL CHARACTERISTICS Ambient Temperature = 25°C unless otherwise specified INPUT Parameter Symbol Test Condition Min Typ. Max Unit Forward Voltage VF IF = 50mA 1.25 1.6 V Reverse Leakage IR VR = 6V 10 µA Junction Capacitance Cj VR = 0V, f = 1 MHz Symbol Test Condition Min Collector—Emitter breakdown Voltage BVCEO IC = 100µA 80 V Emitter—Collector breakdown Voltage BVECO IE = 100µA 6 V ICEO VCE = 20V, IF = 0mA Symbol Test Condition Min Current transfer ratio CTR IF = ±1mA, VCE = 5V 20 Collector—Emitter saturation Voltage VCEsat IF = ±20mA, IC = 1mA Input to output isolation Voltage VISO See note 1 Output rise time tr VS =2V,Ic = 2mA, Rl = 100Ώ 6 18 µS Output fall time tf VS = 2V,Ic = 2mA, Rl = 100Ώ 6 18 µS Cut off frequency fc IF = 10mA, VCE = 5V, RL = 100Ώ 100 CIO f = 1 MHz 0.6 50 pF OUTPUT Parameter Collector dark Current Typ. Max Unit 100 nA Max Unit 300 % 0.2 V COUPLED Parameter Floating Capacitance Note 1 2 4/08/2011 Typ. 3750 VRMS kHz 1.0 Measured with input leads shorted together and output leads shorted together DC93157E pF IS3H4 AC Input ( Compact Range ) 3 4/08/2011 DC93157E IS3H4 AC Input ( Compact Range ) 4 6408/2011 DC93157E