MMBTA44

MMBTA44 NPN Silicon Epitaxial Planar Transistor for high voltage switching and amplifier applications. The transistor is subdivided into one group according to its DC current gain. As complementary type the PNP transistor MMBTA94 is recommended. On special request, these transistors can be manufactured in different pin configurations. SOT-23 Plastic Package Absolute Maximum Ratings (Ta = 25 OC) Symbol Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Power Dissipation Junction Temperature Storage Temperature Range VCBO VCEO VEBO IC Ptot Tj TS Value 500 400 6 300 200 150 -55 to +150 Unit V V V mA mW O C C O SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company ® listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005 MMBTA44 Characteristics at Tamb=25 OC Symbol DC Current Gain at IC=1mA, VCE=10V at IC=10mA, VCE=10V at IC=30mA, VCE=10V Emitter Cutoff Current at VEB=4V Collector Cutoff Current at VCB=400V Collector Cutoff Current at VCE=400V Collector Base Breakdown Voltage at IC=100µA Collector Emitter Breakdown Voltage at IC=1mA Emitter Base Breakdown Voltage at IE=100µA Collector Saturation Voltage at IC=1mA, IB=0.1mA at IC=10mA, IB=1mA at IC=50mA, IB=5mA Base Saturation Voltage at IC=10mA, IB=1mA Collector Output Capacitance at VCB=20V, f=1MHz Cob 7 pF VBE(sat) 0.75 V VCE(sat) VCE(sat) VCE(sat) 0.4 0.5 0.75 V V V V(BR)EBO 6 V V(BR)CEO 400 V V(BR)CBO 500 V ICEO 0.5 µA ICBO 0.1 µA IEBO 0.1 µA hFE hFE hFE 25 40 40 Min. Max. Unit SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company ® listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005