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| (R) MJE521 SILICON NPN TRANSISTOR s STMicroelectronics PREFERRED SALESTYPE DESCRIPTION The MJE521 is a silicon Epitaxial-Base NPN transistor in Jedec SOT-32 plastic package. It is intended for use in 5 to 20W audio amplifiers, general purpose amplifier and switching circuits. 3 2 1 SOT-32 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol V CBO V CEO V EBO IC I CM IB P tot T stg Tj Parameter Collector-Base Voltage (I E = 0) Collector-Emitter Voltage (I B = 0) Emitter-Base Voltage (I C = 0) Collector Current Collector Peak Current (t p < 5 ms) Base Current Total Dissipation at Tc 25 C o Value 40 40 4 4 8 2 40 -65 to 150 150 Unit V V V A A A W o o Storage Temperature Max. Operating Junction Temperature C C September 2003 1/4 MJE521 THERMAL DATA R thj-amb Thermal Resistance Junction-ambient Max 3.12 o C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symbol I CBO I EBO Parameter Collector Cut-off Current (I E = 0) Emitter Cut-off Current (I C = 0) Test Conditions V CB = 40 V V EB = 4 V I C = 0.1 A 40 Min. Typ. Max. 100 100 Unit A A V V CEO(sus) Collector-Emitter Sustaining Voltage (I B = 0) h FE DC Current Gain IC = 1 A V CE = 1 V 40 Pulsed: Pulse duration = 300s, duty cycle 1.5% 2/4 MJE521 SOT-32 (TO-126) MECHANICAL DATA mm MIN. A B b b1 C c1 D e e3 F G H H2 I O V 2.15 1.27 0.3 10o 3 7.4 10.5 0.7 0.40 2.4 1.0 15.4 2.2 4.4 3.8 3.2 2.54 0.084 0.05 0.011 10o 0.118 TYP. MAX. 7.8 10.8 0.9 0.65 2.7 1.3 16.0 MIN. 0.291 0.413 0.028 0.015 0.094 0.039 0.606 0.087 0.173 0.150 0.126 0.100 inch TYP. MAX. 0.307 0.425 0.035 0.025 0.106 0.051 0.630 DIM. 1: Base 2: Collector 3: Emitter 0016114/B 3/4 MJE521 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2003 STMicroelectronics - All Rights reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 4/4 |
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