MCT4

PHOTOTRANSISTOR OPTOCOUPLER MCT4 PACKAGE DIMENSIONS 0.230 (5.84) 0.209 (5.31) 0.195 (4.96) 0.178 (4.52) 0.210 (5.34) 0.170 (4.32) 0.560 (14.22) 0.500 (12.70) 0.100 (2.54) DIA. 3 0.048 (1.22) 0.028 (0.71) 0.046 (1.16) 0.036 (0.92) 45° 4 1 0.019 (0.48) Ø 4X 0.016 (0.41) CATHODE 3 SCHEMATIC 2 ANODE 1 2 COLLECTOR 4 EMITTER NOTES: 1. Dimensions for all drawings are in inches (mm). 2. Tolerance of ± .010 (.25) on all non-nominal dimensions unless otherwise specified. DESCRIPTION The MCT4 is a standard four-lead, TO-18 package containing a GaAs infrared emitting diode optically coupled to an NPN silicon planar phototransistor. FEATURES Hermetically package High current transfer ratio; typically 35% High isolation resistance; 1011 ohms at 500 volts High voltage isolation emitter to detector  2001 Fairchild Semiconductor Corporation DS300241 8/13/01 1 OF 6 www.fairchildsemi.com PHOTOTRANSISTOR OPTOCOUPLER MCT4 ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Soldering Temperature (Flow) EMITTER Power Dissipation at 25°C Ambient Continuous Forward Current Reverse Voltage Forward Current - Peak (1 µs pulse, 300 pps) DETECTOR Power Dissipation 25°C Ambient Collector to Emitter Voltage Emitter to Collector Voltage COUPLER Total Power Dissipation Isolation Voltage (3) (2) (1) (TA = 25°C unless otherwise specified) Symbol TOPR TSTG TSOL-F PD IF VR IF(pk) PD VCEO VECO PD Rating -55 to +125 -65 to +150 260 for 10 sec 90 40 3 3.0 200 30 7 25...