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 825-9294
製造零件編號SMBT2222AE6327HTSA1
BrandInfineon
TWD2.50
/個 (每包:200個)
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NPN 600 mA 40 V SOT-23 Surface Mount 330 mW 100 Single 75 V 6 V 300 (Min.) MHz 3 1 -
RS庫存編號 445-2146
製造零件編號BDP949
BrandInfineon
TWD22.40
/個 (每包:5個)
單位
NPN 3 A 60 V SOT-223 Surface Mount 5 W 25 Single 60 V 5 V 100 MHz 3 + Tab 1 -
RS庫存編號 911-4713
製造零件編號BDP949
BrandInfineon
TWD9.10
個 (在毎卷:1000)
單位
NPN 3 A 60 V SOT-223 Surface Mount 5 W 50 Single 60 V 5 V 100 MHz 4 1 -
RS庫存編號 145-8821
製造零件編號SMBT2222AE6327HTSA1
BrandInfineon
TWD1.20
個 (在毎卷:3000)
單位
NPN 600 mA 40 V SOT-23 Surface Mount 330 mW 100 Single 75 V 6 V 300 (Min.) MHz 3 1 -
RS庫存編號 445-2023
製造零件編號BC847CE6327HTSA1
BrandInfineon
TWD5.70
/個 (每包:50個)
單位
NPN 100 mA 45 V SOT-23 Surface Mount 330 mW 420 Single 50 V 6 V 250 MHz 3 1 -
RS庫存編號 827-5154
製造零件編號BFP640ESDH6327XTSA1
BrandInfineon
TWD16.60
/個 (每包:25個)
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NPN 50 mA 4.1 V SOT-343 Surface Mount 200 mW 110 Single 4.8 V 0.5 V 45 GHz 4 1 -
RS庫存編號 145-8845
製造零件編號BFP640ESDH6327XTSA1
BrandInfineon
TWD8.30
個 (在毎卷:3000)
單位
NPN 50 mA 4.1 V SOT-343 Surface Mount 200 mW 110 Single 4.8 V 0.5 V 45 GHz 4 1 -
RS庫存編號 752-7971
製造零件編號BCP5616H6327XTSA1
BrandInfineon
TWD5.60
/個 (每包:25個)
單位
NPN 1 A 80 V SOT-223 Surface Mount 2 W 25 Single 100 V 5 V 100 MHz 3 + Tab 1 -
RS庫存編號 165-7509
製造零件編號BCP5616H6327XTSA1
BrandInfineon
TWD3.90
個 (在毎卷:1000)
單位
NPN 1 A 80 V SOT-223 Surface Mount 2 W 25 Single 100 V 5 V 100 MHz 3 + Tab 1 -
RS庫存編號 857-8407
製造零件編號BCX42E6433HTMA1
BrandInfineon
TWD2.30
個 (在毎卷:10000)
單位
PNP 800 mA 125 V SOT-23 Surface Mount 330 mW 25 Single -125 V -5 V 150 MHz 3 1 -
RS庫存編號 445-2051
製造零件編號BC857BE6327HTSA1
BrandInfineon
TWD2.80
/個 (每包:50個)
單位
PNP 100 mA 45 V SOT-23 Surface Mount 330 mW 220 Single 50 V 5 V 250 MHz 3 1 -
RS庫存編號 145-9623
製造零件編號BC847BWH6327XTSA1
BrandInfineon
TWD1.10
個 (在毎卷:3000)
單位
NPN 100 mA 45 V SOT-323 (SC-70) Surface Mount 250 mW 200 Single 50 V 6 V 250 MHz 3 1 -
RS庫存編號 753-2778
製造零件編號BCW68GE6327HTSA1
BrandInfineon
TWD1.80
/個 (每包:100個)
單位
PNP 800 mA 45 V SOT-23 Surface Mount 330 mW 630 Single 45 V 5 V 200 MHz 3 1 -
RS庫存編號 911-4701
製造零件編號BC857BE6327HTSA1
BrandInfineon
TWD0.60
個 (在毎卷:3000)
單位
PNP 100 mA 45 V SOT-23 Surface Mount 250 mW 220 Single -50 V -5 V - 3 1 -
RS庫存編號 825-9339
製造零件編號BCX41E6327HTSA1
BrandInfineon
TWD4.50
/個 (每包:100個)
單位
NPN 800 mA 125 V SOT-23 Surface Mount 330 mW 63 Single 125 V 5 V 100 MHz 3 1 -
RS庫存編號 165-5925
製造零件編號BCX41E6327HTSA1
BrandInfineon
TWD2.70
個 (在毎卷:3000)
單位
NPN 800 mA 125 V SOT-23 Surface Mount 330 mW 63 Single 125 V 5 V 100 MHz 3 1 -
RS庫存編號 752-7921
製造零件編號BC847BWH6327XTSA1
BrandInfineon
TWD1.80
/個 (每包:100個)
單位
NPN 100 mA 45 V SOT-323 (SC-70) Surface Mount 250 mW 200 Single 50 V 6 V 250 MHz 3 1 -
RS庫存編號 911-4741
製造零件編號BCW68GE6327HTSA1
BrandInfineon
TWD1.20
個 (在毎卷:3000)
單位
PNP 800 mA 45 V SOT-23 Surface Mount 330 mW 630 Single 45 V 5 V 200 MHz 3 1 -
RS庫存編號 165-7510
製造零件編號BDP954H6327XTSA1
BrandInfineon
TWD10.00
個 (在毎卷:1000)
單位
PNP 3 A 100 V SOT-223 Surface Mount 5 W 15 Single 120 V 5 V 100 MHz 3 + Tab 1 -
RS庫存編號 827-0077
製造零件編號BFS17PE6327HTSA1
BrandInfineon
TWD4.00
個 (在毎卷:250)
單位
NPN 25 mA 15 V SOT-23 Surface Mount 280 mW 40 Single 25 V 2.5 V 2.5 GHz 3 1 -