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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT Dual Silicon Transistor VOLTAGE 20 Volts APPLICATION * Switching circuit, Inverter, Interface circuit, Driver circuit. CHT1544RNPT CURRENT 300 mAmpere FEATURE * Small surface mounting type. (SC-74A) * High current gain. * Suitable for high packing density. * * * * Low colloector-emitter saturation. High saturation current capability. Both the NPN digital silicon transistor in one package. Built in bias resistor(R1=2.2k, Typ. ) (1) (5) SC-74A 1.7~2.1 (2) (3) 0.95 0.95 2.7~3.1 MARKING *HFE(A) : 44A *HFE(B) : 44B 0.25~0.5 1.4~1.8 0.08~0.2 0.3~0.6 0.935~1.3 0~0.15 2.6~3.0 CIRCUIT 5 4 1 2 3 Dimensions in millimeters SC-74A LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL VCBO VCEO VEBO IC PD TSTG TJ RJ-S Note 1. Total rating 2004-02 PARAMETER Coll ector -Base voltage Collector-Emitter voltage Emitter-Base voltage Coll ector current Collector Power dissipation Storage temperature Junction temperature Thermal resistance , Note 1 CONDITIONS 50 20 25 300 Tamb 25 OC, Note 1 300 VALUE V V V UNIT mA mW O -55 +150 +150 junction - soldering point 350 C O C C/W O RATING CHARACTERISTIC ( CHT1544RNPT ) CHARACTERISTICS Tamb = 25 C unless otherwise specied. SYMBOL ICBO IEBO VCE(sat) hFE R1 fT PARAMETER Collector cutoff current Emitter cutoff current Collector-emitter saturation voltage CONDITIONS VCB=50V VEB=25V IC/IB=10mA/1mA IC=4mA; VCE=2.0V - - - MIN. - - - - TYP. MAX. 0.1 0.1 0.1 1200 2.86 - UNIT uA uA V DC current gain Input resistor Transition frequency 200 1.54 2.2 30 K MHz IC=4mA, VCE=6.0V - Note 1.hFE Classification A: 200 to 700, B: 350 to 1200 RATING CHARACTERISTIC CURVES ( CHT1544RNPT ) Typical Electrical Characteristics COLLECTOR SATURATION VOLTAGE : VCE(sat) (V) Fig.1 DC current gain vs. collector current 2k DC CURRENT GAIN : hFE Fig.2 Collector-emitter saturation voltage vs. collector current 500m 200m 100m 50m 20m 10m 5m 2m 1m 100u 1m 10m 100m 500m Ta=100OC 25OC -25OC lC/lB=20 VCE=2V 1k 300 Ta=100OC 25OC -25OC 100 50 300u 1m 10m 100m 500m COLLECTOR CURRENT : IC (A) COLLECTOR CURRENT : IC (A) |
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