BC635 / BC637 / BC639 NPN General Purpose Transistor Elektronische Bauelemente RoHS Compliant Product A suffix of “-C” specifies halogen and lead free FEATURES TO-92 Low frequency amplifier High current transistors G H Emitter Collector Base CLASSIFICATION OF hFE Product-Rank BC635 BC637-16 40~250 Range J A BC639-16 63~250 D REF. B 63~250 A B C D E F G H J K K E C F Millimeter Min. Max. 4.40 4.70 4.30 4.70 12.70 3.30 3.81 0.36 0.56 0.36 0.51 1.27 TYP. 1.10 2.42 2.66 0.36 0.76 ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise specified) Parameter Collector to Base Voltage Collector to Emitter Voltage Symbol BC635 BC637 BC639 BC635 BC637 BC639 Rating 45 60 100 45 60 80 5 1 830 150, -65~150 VCBO VCEO Emitter to Base Voltage Continuous Collector Current Collector Power Dissipation Junction, Storage Temperature Unit VEBO IC PC TJ, TSTG V V V A mW °C ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Parameter Collector to Emitter Breakdown Voltage Symbol BC635 BC637 BC639 Collector Cut - Off Current Emitter cut-off current Min. Typ. Max. 45 60 80 25 25 40 63 63 - 0.1 0.1 250 250 250 VCE(sat) - - 0.5 V VBE fT - 100 1 - V MHz V(BR)CEO ICBO ICEO DC Current Gain BC635 BC637-16 BC639-16 Collector to Emitter Saturation Voltage Base-emitter voltage Transition frequency hFE DC Current Gain http://www.SeCoSGmbH.com/ 25-Dec-2014 Rev. B Unit Test Conditions V IC=10mA, IB=0 μA μA VCB=30V, IE=0 VEB=5V, IB=0 VCE=2V, IC=5mA VCE=2V, IC=500mA VCE=2V, IC=150mA IC=500mA, IB=50mA VCE=2V, IC=500mA VCE=5V, IC=10mA, f=50MHz Any changes of specification will not be informed individually. Page 1 of 2 BC635 / BC637 / BC639 Elektronische Bauelemente NPN General Purpose Transistor CHARACTERISTIC CURVES http://www.SeCoSGmbH.com/ 25-Dec-2014 Rev. B Any changes of specification will not be informed individually. Page 2 of 2