2N3421 Specs and Replacement
Type Designator: 2N3421
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 1 W
Maximum Collector-Base Voltage |Vcb|: 125 V
Maximum Collector-Emitter Voltage |Vce|: 80 V
Maximum Emitter-Base Voltage |Veb|: 8 V
Maximum Collector Current |Ic max|: 3 A
Max. Operating Junction Temperature (Tj): 200 °C
Electrical Characteristics
Transition Frequency (ft): 40 MHz
Collector Capacitance (Cc): 20 pF
Forward Current Transfer Ratio (hFE), MIN: 40
Package: TO5
2N3421 Substitution
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2N3421 datasheet
7516 Central Industrial Drive Riviera Beach, Florida 33404 PHONE (561) 842-0305 FAX (561) 845-7813 2N3421 APPLICATIONS Power Supply Pulse Amplifier High Frequency Power Switching 3 Amp, 125V, FEATURES NPN Silicon Power Meets MIL-S-19500/393 Transistors Collector-Base Voltage up to 125 JAN, JTX, JTXV, JANS Peak Collector Current 5A High Power D... See More ⇒
2n3418 2n3419 2n3420 2n3421.pdf 
NPN Meduim Power Silicon Transistor 2N3418, 2N3419, 2N3420 & 2N3421 2N3418S, 2N3419S, 2N3420S & 2N3421S Features Available in commercial, JAN, JANTX, JANTXV, JANS and JANSR 100K rads (Si) per MIL-PRF-19500/393 TO-5, TO-39 (TO-205AD) Package Maximum Ratings 2N3418, S 2N3419, S Ratings Symbol 2N3420, S 2N3421, S Units Collector - Emitter Voltage VCEO 60 80 Vdc Collector - Base... See More ⇒
2N3421SMD05 Dimensions in mm (inches). Bipolar NPN Device in a Hermetically sealed 7.54 (0.296) 0.76 (0.030) Ceramic Surface Mount min. 3.175 (0.125) 2.41 (0.095) Package for High 2.41 (0.095) Max. 0.127 (0.005) Reliability Applications 1 3 Bipolar NPN Device. 2 VCEO = 80V IC = 3A 0.127 (0.005) 16 PLCS 0.127 (0.005) 0.50(0.020) 0.50 (0.020) All Semelab herm... See More ⇒
2N3421SMD Dimensions in mm (inches). Bipolar NPN Device in a Hermetically sealed 0.89 (0.035) min. Ceramic Surface Mount 3.70 (0.146) 3.70 (0.146) 3.60 (0.142) 3.41 (0.134) 3.41 (0.134) Max. Package for High Reliability Applications 1 3 Bipolar NPN Device. 2 VCEO = 80V IC = 3A 9.67 (0.381) All Semelab hermetically sealed products 9.38 (0.369) 0.50 (0.020) 0.26 (0... See More ⇒
Detailed specifications: 2N341A , 2N342 , 2N3420 , 2N3420A , 2N3420AL , 2N3420ALCC4 , 2N3420LCC4 , 2N3420SM , 2SC2383 , 2N3421A , 2N3421ALCC4 , 2N3421ASM , 2N3421LCC4 , 2N3421LP , 2N3421SM , 2N3423 , 2N3424 .
History: 2S159
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