2STF1340 Specs and Replacement
Type Designator: 2STF1340
SMD Transistor Code: 1340
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 1.4 W
Maximum Collector-Base Voltage |Vcb|: 40 V
Maximum Collector-Emitter Voltage |Vce|: 40 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 3 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 100 MHz
Collector Capacitance (Cc): 30 pF
Forward Current Transfer Ratio (hFE), MIN: 150
Package: SOT89
2STF1340 Substitution
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2STF1340 datasheet
2STF1340 Low voltage fast-switching NPN power transistor Features Very low collector-emitter saturation voltage High current gain characteristic 4 Fast switching speed 3 2 1 Applications LED SOT-89 Motherboard & hard disk drive Mobile equipment DC-DC converter Figure 1. Internal schematic diagram Description The 2STF1340 is a NPN transistor manufact... See More ⇒
2std1360 2stf1360 2stn1360.pdf 
2STD1360, 2STF1360, 2STN1360 Low voltage fast-switching NPN power transistors Datasheet - production data Features 4 Very low collector-emitter saturation voltage 4 High current gain characteristic 3 3 2 2 Fast-switching speed 1 1 SOT-223 SOT-89 Applications TAB Emergency lighting LED 3 Voltage regulation 1 Relay drive TO-252 (DPAK) Descripti... See More ⇒
2STF1550 2STN1550 Low voltage high performance NPN power transistors Preliminary Data Features Very low collector-emitter saturation voltage High current gain characteristic 4 Fast switching speed 4 Surface mounting devices in medium power 3 3 2 SOT-89 and SOT-223 packages 2 1 1 Applications SOT-223 SOT-89 Emergency lighting LED Motherboard an... See More ⇒
2STF1525 Low voltage high performance NPN power transistor Features Very low collector-emitter saturation voltage High current gain characteristic 4 Fast switching speed 3 2 1 Applications Emergency lighting SOT-89 LED drive Motherboard and hard disk drive Mobile equipment DC-DC converter, voltage regulation Figure 1. Internal schematic diagram ... See More ⇒
Detailed specifications: 2STA2510 , 2STC2510 , 2STC4467 , 2STC4468 , 2STC5200 , 2STC5242 , 2STC5949 , 2STD1665 , 2SC5198 , 2STF1360 , 2STF1550 , 2STF2220 , 2STF2340 , 2STF2360 , 2STF2550 , 2STL1360 , 2STL2580 .
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