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 826-8342
製造零件編號2SA2094TLQ
BrandROHM
TWD12.70
/個 (每包:30個)
單位
PNP 2 A 60 V SOT-346T (SC-96) Surface Mount 500 mW 120 Single -60 V -6 V 100 MHz 3 1 -
RS庫存編號 177-7988
製造零件編號2SC4081T106Q/R
BrandROHM
TWD1.20
個 (在毎卷:3000)
單位
NPN 150 mA 50 V SOT-323 (SC-70) Surface Mount 200 mW 120 Single 60 V 7 V 180 MHz 3 1 -
RS庫存編號 320-8229
製造零件編號2SC4081T106Q/R
BrandROHM
TWD2.90
/個 (每包:25個)
單位
NPN 150 mA 50 V SOT-323 (SC-70) Surface Mount 200 mW 120 Single 60 V 7 V 180 MHz 3 1 -
RS庫存編號 128-8809
製造零件編號2SAR512P5T100
BrandROHM
TWD11.70
/個 (每包:50個)
單位
PNP 2 A 30 V SOT-89 Surface Mount 500 mW 200 Common Emitter -30 V -6 V 100 MHz 3+Tab 1 -
RS庫存編號 826-8336
製造零件編號2SA2071T100Q
BrandROHM
TWD17.20
/個 (每包:20個)
單位
PNP 3 A 60 V SC-62 Surface Mount 2 W 120 Single -60 V -6 V 10 MHz 3 1 -
RS庫存編號 826-8456
製造零件編號2SD1898T100R
BrandROHM
TWD11.70
/個 (每包:25個)
單位
NPN 1 A 80 V SC-62 Surface Mount 2 W 120 Single 120 V 5 V 100 MHz 3 1 -
RS庫存編號 320-7951
製造零件編號2SB1188T100Q/R
BrandROHM
TWD8.80
/個 (每包:10個)
單位
PNP 2 A 32 V MPT Surface Mount 2 W 120 Single -40 V -5 V 100 MHz 3 1 -
RS庫存編號 475-9728
製造零件編號2SA1774TLQ
BrandROHM
TWD3.10
/個 (每包:100個)
單位
PNP 150 mA 50 V EMT Surface Mount 150 mW 120 Single 60 V 6 V 140 MHz 3 1 -
RS庫存編號 320-8140
製造零件編號2SC3906KT146E/R/S
BrandROHM
TWD3.50
/個 (每包:25個)
單位
NPN 50 mA 120 V SOT-346 (SC-59) Surface Mount 200 mW 180 Single 120 V 5 V 140 MHz 3 1 -
RS庫存編號 826-8471
製造零件編號2SD2391T100Q
BrandROHM
TWD17.50
/個 (每包:20個)
單位
NPN 2 A 60 V SC-62 Surface Mount 2 W 120 Single 60 V 6 V 100 MHz 3 1 -
RS庫存編號 177-7986
製造零件編號2SC3906KT146E/R/S
BrandROHM
TWD3.20
個 (在毎卷:3000)
單位
NPN 50 mA 120 V SOT-346 (SC-59) Surface Mount 200 mW 180 Single 120 V 5 V 140 MHz 3 1 -
RS庫存編號 826-8320
製造零件編號2SA1834TLR
BrandROHM
TWD36.20
/個 (每包:10個)
單位
PNP 10 A 20 V SC-63 Surface Mount 10 W 82 Single -30 V -6 V 50 MHz 3 1 -
RS庫存編號 124-6440
製造零件編號2SC5866TLQ
BrandROHM
TWD13.20
/個 (每包:25個)
單位
NPN 2 A 60 V SOT-346T (SC-96) Surface Mount 500 mW 120 Single 60 V 6 V 200 MHz 3 1 -
RS庫存編號 183-4966
製造零件編號EMZ8T2R
BrandROHM
TWD11.50
/個 (每包:40個)
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 171-5657
製造零件編號DTA043XEBTL
BrandROHM
TWD1.00
/個 (每包:250個)
單位
PNP 100 mA - SOT-416FL Surface Mount 150 mW 35 Single - - 250 MHz 3 1 -
RS庫存編號 826-8566
製造零件編號QSH29TR
BrandROHM
TWD20.60
/個 (每包:15個)
單位
NPN - 60 V SC-95 Surface Mount 1.25 W 500 Isolated - 5 V - 6 2 -
RS庫存編號 826-8399
製造零件編號2SB1732TL
BrandROHM
TWD11.80
/個 (每包:40個)
單位
PNP 1.5 A 12 V TUMT Surface Mount 400 mW 270 Single -15 V -6 V 100 MHz 3 1 -
RS庫存編號 124-6443
製造零件編號2SD1782KT146Q
BrandROHM
TWD10.60
/個 (每包:40個)
單位
NPN 500 mA 80 V SOT-346 Surface Mount 200 mW 120 Single 80 V 5 V 120 MHz 3 1 -
RS庫存編號 475-9778
製造零件編號2SC2412KT146R
BrandROHM
TWD1.90
/個 (每包:100個)
單位
NPN 150 mA 50 V SMT Surface Mount 200 mW 180 Single 60 V 7 V 180 MHz 3 1 -
RS庫存編號 171-5645
製造零件編號2SCR574D3TL1
BrandROHM
TWD14.70
/個 (每包:20個)
單位
NPN 2 A 80 (Minimum) V TO-252 Surface Mount 10 W 120 Single 80 (Minimum) V 6 (Minimum) V 280 MHz 3 1 -