2N2221A Specs and Replacement
Type Designator: 2N2221A
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 0.5 W
Maximum Collector-Base Voltage |Vcb|: 75 V
Maximum Collector-Emitter Voltage |Vce|: 40 V
Maximum Emitter-Base Voltage |Veb|: 6 V
Maximum Collector Current |Ic max|: 0.8 A
Max. Operating Junction Temperature (Tj): 175 °C
Electrical Characteristics
Transition Frequency (ft): 250 MHz
Collector Capacitance (Cc): 8 pF
Forward Current Transfer Ratio (hFE), MIN: 40
Package: TO18
2N2221A Substitution
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2N2221A datasheet
DATA SHEET 2N2221A 2N2222A NPN SILICON TRANSISTOR JEDEC TO-18 CASE DESCRIPTION The CENTRAL SEMICONDUCTOR 2N2221A, 2N2222A types are Silicon NPN Planar Epitaxial Transistors designed for small signal general purpose and switching applications. MAXIMUM RATINGS (TA=25 C) SYMBOL UNITS Collector-Base Voltage VCBO 75 V Collector-Emitter Voltage VCEO 40 V Emitter-Base Voltage ... See More ⇒
Continental Device India Limited An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company NPN SILICON PLANAR SWITCHING TRANSISTORS 2N2221A 2N2222A TO-18 Switching And Linear Application DC And VHF Amplifier Applications ABSOLUTE MAXIMUM RATINGS DESCRIPTION SYMBOL 2N2221A,22A UNIT Collector -Emitter Voltage VCEO 40 V Collector -Base Voltage VCBO 75 V Emitter -Base Voltage VEBO 6.0 V ... See More ⇒
2n2221a 2n2221al 2n2221aua 2n2221aub 2n2222a 2n2222al 2n2222aua 2n2222aub.pdf 
Radiation Hardened NPN Silicon Switching Transistors 2N2221A, 2N2221AL, 2N2221AUA, 2N2221AUB 2N2222A, 2N2222AL, 2N2222AUA, 2N2222AUB Features Qualified to MIL-PRF-19500/255 Levels Commerical JANS JANSM-3K Rads (Si) JANSD-l0K Rads (Si) JANSP-30K Rads (Si) JANSL-50K Rads (Si) JANSR-l00K Rads (Si) TO-18 (TO-206AA), Surface mount UA & UB Packages Absolute Maximum Ra... See More ⇒
2N2221AX MECHANICAL DATA HIGH SPEED SWITCHING BIPOLAR NPN Dimensions in mm (inches) TRANSISTOR IN A HERMETICALLY 5.84 (0.230) 5.31 (0.209) SEALED TO-18 PACKAGE 4.95 (0.195) 4.52 (0.178) FEATURES SILICON NPN TRANSISTOR METAL CASE (JEDEC TO-18) HIGH SPEED SWITCHING 0.48 (0.019) 0.41 (0.016) dia. 2.54 (0.100) Nom. APPLICATIONS SUITABLE FOR HIGH SPEED SWITC... See More ⇒
Detailed specifications: 2N2219AL , 2N2219AQF , 2N2219AS , 2N2219S , 2N222 , 2N2220 , 2N2220A , 2N2221 , D880 , 2N2221ACSM , 2N2221ADCSM , 2N2221CSM , 2N2221DCSM , 2N2222 , 2N2222A , 2N2222ACSM , 2N2222ACSM4 .
History: D882
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