2N3960 Qualified Levels: JAN, JANTX, and Compliant NPN Silicon Switching Transistor JANTXV Qualified per MIL-PRF-19500/399 DESCRIPTION This 2N3960 epitaxial planar transistor is military qualified up to the JANTXV level for high- reliability applications. It features a thru-hole TO-18 package. This device is also available in a low profile ceramic UB package. Important: For the latest information, visit our website 2N3960 MECHANICAL and PACKAGING CASE: Hermetically sealed, nickel plated kovar base, nickel cap TERMINALS: Kovar with Gold plate over nickel for JANS, plus solder dip for JAN, JANTX, and JANTXV MARKING: Part number, date code, manufacturers ID WEIGHT: Approximately 0.3 grams See Package Dimensions on last page. PART NOMENCLATURE JAN 2N3960 Reliability Level JEDEC type number JAN = JAN Level (see Electrical Characteristics JANTX = JANTX Level table) JANTXV = JANTXV Level Blank = Commercial SYMBOLS & DEFINITIONS Symbol Definition I Base current: The value of the dc current into the base terminal. B I Collector current: The value of the dc current into the collector terminal. C V Collector-base voltage: The dc voltage between the collector and the base. CB Collector-base voltage, base open: The voltage between the collector and base terminals when the emitter terminal is V CBO open-circuited. V Collector-emitter voltage: The dc voltage between the collector and the emitter. CE Collector-emitter voltage, base open: The voltage between the collector and the emitter terminals when the base V CEO terminal is open-circuited. V Collector-supply voltage: The supply voltage applied to a circuit connected to the collector. CC V Emitter-base voltage: The dc voltage between the emitter and the base EB Emitter-base voltage, collector open: The voltage between the emitter and base terminals with the collector terminal V EBO open-circuited. T4-LDS-0161, Rev. 2 (10/15/13) 2013 Microsemi Corporation Page 2 of 4