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SFT4957A2GWS Datasheet(PDF) 1 Page - Solid States Devices, Inc |
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SFT4957A2GWS Datasheet(HTML) 1 Page - Solid States Devices, Inc |
1 / 2 page Solid State Devices, Inc. 14830 Valley View Blvd * La Mirada, Ca 90638 Phone: (562) 404-7855 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com DESIGNER’S DATA SHEET Part Number / Ordering Information 1/ SFT4957A2 __ __ │ │ │ │ │ └ Screening 2/ __ = Commercial TX = TX Level TXV = TXV Level S = S Level └ Package: GW = Gullwing SFT4957A2 Series Dual Microminiature Package 30 mA 30 Volts Dual PNP RF Transistor Features: • RF Switching Transistor • Multiple Devices Reduce Board Space • Replacement/Enhancement for 2N4957UB • TX, TXV, S-Level screening available • NPN complimentary parts available (SFT2857A2) Maximum Ratings Symbol Value Units Collector – Emitter Voltage VCEO 30 Volts Collector – Base Voltage VCBO 30 Volts Emitter – Base Voltage VEBO 3 Volts Continues Collector Current IC 30 mAmps Power Dissipation @ TC = 25ºC (each device) PD 200 mW Operating & Storage Temperature Top & Tstg -65 to +200 ºC Maximum Thermal Resistance (Junction to PCB) RθJC 290 ºC/W Gullwing (GW) NOTE: All specifications are subject to change without notification. SCD's for these devices should be reviewed by SSDI prior to release. DATA SHEET #: TR0077 A Doc |
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