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Publication Order Number: BF421/D Ā© Semiconductor Components Industries, LLC, 2010 July, 2010 ā Rev. 5 1 BF421, BF423 High Voltage Transistors PNP Silicon Features ā¢These Devices are PbāFree, Halogen Free/BFR Free and are RoHS Compliant MAXIMUM RATINGS RatingSymbolBF421BF423Unit CollectorāEmitter VoltageV CEO ā300ā250Vdc CollectorāBase VoltageV CBO ā300ā250Vdc EmitterāBase VoltageV EBO ā5.0Vdc Collector Current ā ContinuousI C ā500mAdc Collector Current ā PeakI CM 100mA Total Device Dissipation (Note 1) @ T A = 25°C Derate above 25°C P D 830 6.6 mW mW/°C Operating and Storage Junction Temperature Range T J , T stg ā55 to +150°C THERMAL CHARACTERISTICS CharacteristicSymbolMaxUnit Thermal Resistance, JunctionātoāAmbient R q JA 150 °C/W Thermal Resistance, JunctionātoāLead R q JL 68 °C/W Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. Mounted on a FR4 board with 200 mm 2 of 1 oz copper and lead length of 5 mm. *For additional information on our PbāFree strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com MARKING DIAGRAM BF42x = Device Code x = 1 or 3 A= Assembly Location Y= Year WW= Work Week G=PbāFree Package TOā92 CASE 29 STYLE 14 COLLECTOR 2 3 BASE 1 EMITTER BF 42x AYWWG G DevicePackageShipping ORDERING INFORMATION (Note: Microdot may be in either location) BF421ZL1GTOā92 (PbāFree) 2000/Ammo Pack BF423GTOā92 (PbāFree) 5000 Units/Box BF423ZL1GTOā92 (PbāFree) 2000/Ammo Pack 1 2 3 1 2 BENT LEAD TAPE & REEL AMMO PACK STRAIGHT LEAD BULK PACK 3
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