UNISONIC TECHNOLOGIES CO., LTD BF422 NPN EPITAXIAL SILICON TRANSISTOR HIGH VOLTAGE TRANSISTOR FEATURES * Collector-Emitter Voltage: VCEO=250V. * Complementary to UTC BF423. 1 TO-92 ORDERING INFORMATION Note: Ordering Number Lead Free Halogen Free BF422L-T92-B BF422G-T92-B BF422L-T92-K BF422G-T92-K xx: Output Voltage, refer to Marking Information. www.unisonic.com.tw Copyright (c) 2012 Unisonic Technologies Co., LTD Package TO-92 TO-92 Pin Assignment 1 2 3 E C B E C B Packing Tape Box Bulk 1 of 4 QW-R201-063.B BF422 NPN EPITAXIAL SILICON TRANSISTOR ABSOLUTE MAXIMUM RATING (Ta=25) PARAMETER Collector-Base Voltage Collector-Emitter Voltage Emitter-base voltage Collector current (DC) collector current (Peak) base current Collector Power dissipation SYMBOL VCBO VCEO VEBO IC ICP IB PC RATINGS 250 250 5 50 100 50 625 UNIT V V V mA mA mA mW Junction Temperature TJ 150 Storage Temperature TSTG -40 ~ +150 Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. 1 Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device is guaranteed to meet performance specification within 0~70 operating temperature range 2 and assured by design from -20~85. ELECTRICAL CHARACTERISTICS (Ta=25, unless otherwise specified) PARAMETER Collector Cut-Off Current Emitter Cut-Off Current DC current gain Collector-Emitter Saturation Voltage Base-Emitter Voltage Transition frequency Reverse Transfer Capacitance SYMBOL ICBO IEBO hFE VCE(sat) VBE fT Cre TEST CONDITIONS VCB= 200V, IE=0 VEB= 5V, IC=0 VCE=20V, IC=25mA IC= 30mA, IB= 5mA VCE=-20V, IC=25mA VCE= 10V , IC= 10mA VCB= 30V, IE=0, f=1MHz UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP MAX 10 50 UNIT nA nA 0.6 V V MHz pF 50 0.75 60 1.6 2 of 4 QW-R201-063.B BF422 NPN EPITAXIAL SILICON TRANSISTOR TYPICAL CHARACTERISTICS UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 4 QW-R201-063.B BF422 NPN EPITAXIAL SILICON TRANSISTOR TYPICAL CHARACTERISTICS(Cont.) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein . UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 4 QW-R201-063.B