MCT4 Datasheet | Fairchild Semiconductor

PHOTOTRANSISTOR OPTOCOUPLER 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 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 Ga As 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 .fairchildsemi. PHOTOTRANSISTOR...