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11/10/00 Dimensions in inches and (millimeters) .016 (0.4) .056 (1.43 ) .037(0.95) .037(0.95) max. .004 (0.1) .122 (3.1) .016 (0.4).016 (0.4) 1 2 3 Top View .102 (2.6) .007 (0.175) .045 (1.15) .110 (2.8) .052 (1.33 ) .005 (0.125) .094 (2.4) .037 (0.95) TO-236AB (SOT-23) BCX70 Series Small Signal Transistor (NPN) Features • NPN Silicon Epitaxial Planar Transistors for switching and AF amplifier applications. • Suited for low level, low noise, low frequency applications in hybrid circuits. • Low current, low voltage. • As complementary types, BCX71 Series PNP transistors are recommended. Dimensions in inches and (millimeters) Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified. ParameterSymbolValueUnit Collector-Base VoltageV CBO 45V Collector-Emitter VoltageV CEO 45V Emitter-Base VoltageV EBO 5.0V Collector CurrentI C 200mA Peak Base CurrentI B 50mA Power Dissipation P tot 250mW Thermal Resistance Junction to Ambient AirR ΘJA 500 (1) °C/W Junction TemperatureT j 150°C Storage Temperature RangeT S –65 to +150°C Note:(1) Mounted on FR-4 printed-circuit board. Mechanical Data Case:SOT-23 Plastic Package Weight:approx. 0.008g MarkingBCX70G = AG Code:BCX70H = AH BCX70J = AJ BCX70K = AK Packaging Codes/Options: E8/10K per 13” reel (8mm tape), 30K/box E9/3K per 7” reel (8mm tape), 30K/box New Product Pin Configuration 1 = Base 2 = Emitter 3 = Collector 0.079 (2.0) 0.037 (0.95) 0.035 (0.9) 0.031 (0.8) 0.037 (0.95) Mounting Pad Layout