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| MJE521 SILICON NPN TRANSISTOR s SGS-THOMSON PREFERRED SALESTYPE DESCRIPTION The MJE521 is a silicon epitaxial-base NPN transistor in Jedec SOT-32 plastic package, intended for use in 5 to 20W audio amplifiers, general purpose amplifier and switching circuits. 1 3 2 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 Base Current Total Dissipation at Tc 25 C Storage Temperature Max. Operating Junction Temperature o Value 40 40 4 4 8 2 40 -65 to +150 150 Unit V V V A A A W o o C C June 1997 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 2.15 3 4.15 3.8 3.2 2.54 0.084 0.118 7.4 10.5 0.7 0.49 2.4 1.0 15.4 2.2 4.65 0.163 0.150 0.126 0.100 TYP. MAX. 7.8 10.8 0.9 0.75 2.7 1.3 16.0 MIN. 0.291 0.413 0.028 0.019 0.040 0.039 0.606 0.087 0.183 inch TYP. MAX. 0.307 0.445 0.035 0.030 0.106 0.050 0.629 DIM. H2 0016114 3/4 MJE521 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. (c) 1997 SGS-THOMSON Microelectronics - Printed in Italy - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A ... 4/4 |
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