Bipolar Transistors

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Description Price Transistor Type Maximum DC Collector Current Maximum Collector Emitter Voltage Package Type Mounting Type Maximum Power Dissipation Minimum DC Current Gain Transistor Configuration Maximum Collector Base Voltage Maximum Emitter Base Voltage Maximum Operating Frequency Pin Count Number of Elements per Chip Automotive Standard
RS Stock No. 739-0442
Mfr. Part No.2N3904TA
£0.117
Each (In a Pack of 10)
NPN 200 mA 40 V TO-92 Through Hole 625 mW 30 Single 60 V 6 V 300 MHz 3 1 -
RS Stock No. 314-1823
Mfr. Part No.BD139
£0.19
Each
NPN 3 A 80 V SOT-32 Through Hole 1.25 W 25 Single 80 V 5 V - 3 1 -
RS Stock No. 671-1116
Mfr. Part No.BC33725TA
£0.124
Each (In a Pack of 10)
NPN 800 mA 45 V TO-92 Through Hole 625 mW 100 Single - 5 V 100 MHz 3 1 -
RS Stock No. 485-9812
Mfr. Part No.TIP41C
£0.304
Each (In a Pack of 5)
NPN 6 A 100 V TO-220 Through Hole 65 W 15 Single 100 V 5 V - 3 1 -
RS Stock No. 251-3564
Mfr. Part No.TIP35C
£0.97
Each
NPN 25 A 100 V TO-247 Through Hole 125 W 10 Single 100 V 5 V 3 MHz 3 1 -
RS Stock No. 545-2210
Mfr. Part No.2N3055G
£1.58
Each
NPN 15 A 60 V TO-204 Through Hole 115 W 5 Single 100 V 7 V 2.5 MHz 3 1 -
RS Stock No. 671-1113
Mfr. Part No.BC547BTA
£0.135
Each (In a Pack of 25)
NPN 100 mA 45 V TO-92 Through Hole 500 mW 200 Single 50 V 6 V 300 MHz 3 1 -
RS Stock No. 739-0381
Mfr. Part No.PN2222ATA
£0.112
Each (In a Pack of 10)
NPN 1 A 40 V TO-92 Through Hole 625 mW 35 Single 75 V 6 V 300 MHz 3 1 -
RS Stock No. 761-9828
Mfr. Part No.BC547B
£0.172
Each (In a Pack of 50)
NPN 100 mA 45 V TO-92 Through Hole 500 mW 110 Single 50 V 6 V 300 MHz 3 1 -
RS Stock No. 485-9755
Mfr. Part No.TIP31C
£0.318
Each (In a Pack of 5)
NPN 3 A 100 V TO-220 Through Hole 2 W 10 Single 100 V 5 V - 3 1 -
RS Stock No. 485-9727
Mfr. Part No.TIP3055
£1.00
Each (In a Pack of 5)
NPN 15 A 60 V TO-247 Through Hole 90 W 5 Single 100 V - 3 MHz 3 1 -
RS Stock No. 739-0385
Mfr. Part No.KSP2222ABU
£0.06
Each (In a Pack of 10)
NPN 600 mA 40 V TO-92 Through Hole 625 mW 40 Single 75 V 6 V - 3 1 -
RS Stock No. 436-7903
Mfr. Part No.BC817-25
BrandNexperia
£0.008
Each (In a Pack of 50)
NPN 500 mA 45 V SOT-23 (TO-236AB) Surface Mount 250 mW 40 Single 50 V 5 V 100 MHz 3 1 -
RS Stock No. 652-702
Mfr. Part No.ZTX450
£0.376
Each (In a Pack of 5)
NPN 1 A 45 V E-Line Through Hole 1 W 15 Single 60 V 5 V 150 MHz 3 1 -
RS Stock No. 295-517
Mfr. Part No.ZTX653
£0.522
Each (In a Pack of 5)
NPN 2 A 100 V E-Line Through Hole 1 W - Single 120 V 5 V 175 MHz 3 1 -
RS Stock No. 485-9749
Mfr. Part No.TIP31A
£0.398
Each (In a Pack of 5)
NPN 3 A 60 V TO-220 Through Hole 2 W 10 Single 60 V 5 V - 3 1 -
RS Stock No. 296-267
Mfr. Part No.MJ15003G
£3.20
Each
NPN 20 A 140 V TO-204AA Through Hole 250 W 25 Single 140 V 5 V 2 MHz 2 1 -
RS Stock No. 738-7571
Mfr. Part No.2N2222ACSM
BrandSemelab
£13.20
Each
NPN 800 mA 50 V LCC 1 Surface Mount 500 mW 50 Single 75 V 6 V 250 MHz 3 1 -
RS Stock No. 739-0307
Mfr. Part No.SS8050DBU
£0.116
Each (In a Pack of 10)
NPN 1.5 A 25 V TO-92 Through Hole 1 W 40 Single 40 V 6 V - 3 1 -
RS Stock No. 806-4355
Mfr. Part No.MMBT3904T
£0.061
Each (In a Pack of 100)
NPN 200 mA 40 V SOT-523 (SC-89) Surface Mount 250 mW 30 Single 60 V 6 V 100 MHz 3 1 -

Bipolar Transistors

The Bipolar junction transistor is designed in circuits as amplifier, driver or signal switch. The bipolar transistor is a discrete semiconductor manufactured in NPN and PNP types or polarities. The basic function of a bipolar transistor is to amplify current. The amount of current through the base terminal controls the current flow between the collector and emitter terminals of the transistor. The forward current amplification is called the current-gain of the transistor. A bipolar transistor can also function as a switch. When the transistor is driven into saturation or turn-on mode, this enables high current conduction from the collector to the emitter for the NPN type. In opposite biasing conditions, then the transistor is in turn-off mode with very little collector cut-off current passes through. Bipolar transistor is ideally suited for high frequency switching. Technology innovations continuously introduce energy efficiency at higher voltages, establishing high power with low power losses. A small signal transistor has even lower saturation voltage. The reduction in power dissipation allows ever smaller surface mount transistor packages.
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