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www.DataSheet4U.com © Semiconductor Components Industries, LLC, 2005 October, 2005 − Rev. 3 1Publication Order Number: BF959/D BF959 VHF Transistor NPN Silicon Features •Pb−Free Packages are Available* MAXIMUM RATINGS RatingSymbolValueUnit Collector − Emitter VoltageV CEO 20Vdc Collector − Base VoltageV CBO 30Vdc Emitter − Base VoltageV EBO 3.0Vdc Collector Current − ContinuousI C 100mAdc Total Device Dissipation @ T A = 25°C Derate above 25°C P D 625 5.0 mW mW/°C Total Device Dissipation @ T C = 25°C Derate above 25°C P D 1.5 12 W mW/°C Operating and Storage Junction Temperature Range T J , T stg − 55 to +150°C THERMAL CHARACTERISTICS CharacteristicSymbolMaxUnit Thermal Resistance, Junction−to−Ambient R q JA 200°C/W Thermal Resistance, Junction−to−Case R q JC 83.3°C/W Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. DevicePackageShipping † ORDERING INFORMATION BF959TO−92 TO−92 CASE 29 STYLE 21 5000 Units/Box BF959ZL1TO−922000/Ammo Pack COLLECTOR 1 3 BASE 2 EMITTER BF959RL1TO−922000/Tape & Reel MARKING DIAGRAM BF 959 AYWWG G 3 2 1 http://onsemi.com BF959GTO−92 (Pb−Free) 5000 Units/Box BF959ZL1GTO−92 (Pb−Free) 2000/Ammo Pack BF959RL1GTO−92 (Pb−Free) 2000/Tape & Reel BF959 = Device Code A= Assembly Location Y= Year WW= Work Week G= Pb−Free Package (Note: Microdot may be in either location) †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification s Brochure, BRD8011/D.