BJT & Bipolar Transistors

A Bipolar Transistor or BJT (Bipolar Junction Transistor) is a solid state, three-pin device made from three layers of silicon. A BJT is designed to amplify current, bipolar transistors can also function as a switch. There are two main types of transistor, PNP (positive negative positive) or NPN (negative positive negative).How a Bipolar transistor is madeA bipolar transistor is made by joining two signal diodes back to back creating two PN junctions connected in series, sharing a common P or N terminal. By nature, silicon does not normally conduct electricity well. However, when silicon is treated with certain chemicals or impurities we can make the material and electrons behave in a different way. This process is called doping. The doping process improves the semiconductors ability to conduct electricity.What does a bipolar transistor do?As we said before a bipolar transistor has two possible functions, switching, and amplification. Due to the devices three layers of doped semiconductor material, supplying the transistor with a signal voltage enables the discrete component to act as an insulator or a conductor. This clever change provides the transistors with two basic functions, switching (digital) electronics or amplification (analog) electronics.Types of transistorTransistors are available in panel, surface and through hole mounting options in plastic package or metal can versions. All have three terminals or pins, the Base, the Collector, and the Emitter.Where are bipolar transistors used?Transistors are one of the most widely used discrete components in electronic designs and circuits. Transistors are used for the amplification of all types of electrical signals in circuits made up of individual components rather than ICs (integrated circuits).

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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庫存編號 816-7748
製造零件編號BC869-16
BrandNexperia
HK$1.235
/個 (每包:25個)
單位
PNP 2 A 20 V SOT-89 Surface Mount 1.35 W 40 Single -32 V -5 V 100 MHz 3 1 -
RS庫存編號 102-4118
製造零件編號BUV48A
HK$25.594
毎管:30 個
單位
NPN 15 A 1000 V TO-247 Through Hole 125 W 8 Single 1000 V 7 V - 3 1 -
RS庫存編號 166-0353
製造零件編號PBSS5540Z,115
BrandNexperia
HK$1.529
個 (在毎卷:1000)
單位
PNP 5 A 40 V SOT-223 (SC-73) Surface Mount 2 W 50 Single 40 V 6 V 120 MHz 4 1 -
RS庫存編號 713-2851
製造零件編號DSC200200L
BrandPanasonic
HK$1.188
/個 (每包:20個)
單位
NPN 500 mA 50 V Mini3 G3 B B Surface Mount 200 mW 120 Single 60 V 5 V 160 MHz 3 1 -
RS庫存編號 803-1096
製造零件編號BC547CBU
HK$0.436
/個 (每包:200個)
單位
NPN 100 mA 45 V TO-92 Through Hole 500 mW 110 Single 50 V 6 V 1 MHz 3 1 -
RS庫存編號 545-2355
製造零件編號MJE2955TG
HK$6.05
單位
PNP 10 A 60 V TO-220AB Through Hole 75 W 5 Single 70 V 5 V 2 MHz 3 1 -
RS庫存編號 686-7893
製造零件編號2STD1665T4
HK$5.811
/個 (每包:10個)
單位
NPN 6 A 65 V DPAK (TO-252) Surface Mount 15 W 30 Single 150 V 7 V - 3 1 -
RS庫存編號 168-1920
製造零件編號DTA113ZUAT106
BrandROHM
HK$0.267
/個 (每包:250個)
單位
PNP 100 mA - SOT-323 Surface Mount 200 mW 33 Single - - 250 MHz 3 1 -
RS庫存編號 751-5247
製造零件編號ZTX718
HK$4.759
/個 (每包:10個)
單位
PNP 2.5 A 20 V TO-92 Through Hole 1 W 15 Single -20 V -5 V 180 MHz 3 1 -
RS庫存編號 663-8250
製造零件編號2SA1740D-TD-E
BrandSanyo
HK$5.35
/個 (每包:5個)
單位
PNP 200 mA -400 V PCP Surface Mount 1.3 W 60 - -400 V -5 V 70 MHz 3 1 -
RS庫存編號 183-4629
製造零件編號EMZ8T2R
BrandROHM
HK$0.953
個 (在毎卷:8000)
單位
- 150 (NPN) mA, 500 (PNP) mA -12 (PNP) V, 50 (NPN) V EMT6 Surface Mount 150 mW 120, 270 - -15 (PNP) V, 60 (NPN) V -6 (PNP) V, 7 (NPN) V 100 MHz 6 2 -
RS庫存編號 823-1441
製造零件編號MJD31C-13
HK$2.401
/個 (每包:50個)
單位
NPN 3 A 100 V DPAK (TO-252) Surface Mount 15 W 50 Single 100 V 6 V 3 MHz 3 1 -
RS庫存編號 725-8571
製造零件編號PXT2222A,115
BrandNexperia
HK$2.583
/個 (每包:10個)
單位
NPN 100 mA 40 V SOT-89 Surface Mount 1.1 W 35 Single 60 V 6 V - 3 1 -
RS庫存編號 145-5438
製造零件編號FJA4210OTU
HK$10.469
毎管:30 個
單位
PNP 10 A 140 V TO-3P Through Hole 100 W 80 Single -200 V -6 V 30 MHz 3 1 -
RS庫存編號 781-3960
製造零件編號BC858ALT1G
HK$0.225
Each (On a Tape of 200)
單位
PNP 100 mA 30 V SOT-23 Surface Mount 225 mW 125 Single -30 V -5 V 100 MHz 3 1 -
RS庫存編號 165-8257
製造零件編號BFP181E7764HTSA1
BrandInfineon
HK$0.573
個 (在毎卷:3000)
單位
NPN 20 mA 12 V SOT-143 Surface Mount 175 mW 70 Single 20 V 2 V 8 GHz 4 - -
RS庫存編號 545-2765
製造零件編號BC847CLT1G
HK$0.151
個 (在毎卷:3000)
單位
NPN 100 mA 45 V SOT-23 Surface Mount 300 mW 420 Single 50 V 6 V 100 MHz 3 1 -
RS庫存編號 912-9563
製造零件編號MAT01GHZ
HK$136.014
個 (以毎盒:100)
單位
NPN 25 mA 45 V TO-78 Through Hole 500 mW 250 Isolated - - 450 MHz 6 2 -
RS庫存編號 151-3215
製造零件編號PHPT60415NYX
BrandNexperia
HK$3.97
/個 (每包:25個)
單位
NPN 15 A 40 V LFPAK56, SOT669 Surface Mount 25 W 50 Single 40 V 7 V 105 MHz 4 + Tab 1 AEC-Q101
RS庫存編號 178-4762
製造零件編號2N6109G
HK$6.23
毎管:50 個
單位
PNP 7 A 50 V TO-220AB Through Hole 40 W 2.3 Single 60 V 5 V 1 MHz 3 1 -