BCx Bipolar Transistors

Diotec Semiconductor BCx Bipolar Transistors are general-purpose NPN transistors. These transistors include general-purpose Si-Epitaxial planar transistors (BCx) as well. The BCx bipolar transistors are arranged into three groups based on current gains. The BCx transistors feature up to 1.3W power dissipation, are available in multiple package types, and are compliant with RoHS, REACH, and conflict minerals. Typical applications include switching, signal processing, and commercial-grade applications.

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Technology
Mounting Style
Package / Case
Transistor Polarity
Configuration
Maximum DC Collector Current
Collector- Emitter Voltage VCEO Max
Collector- Base Voltage VCBO
Emitter- Base Voltage VEBO
Collector-Emitter Saturation Voltage
Pd - Power Dissipation
Gain Bandwidth Product fT
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Series
Packaging
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 25V, 800mA, NPN
Datasheet
9,115In Stock
Min.: 1
Mult.: 1
: 4,000

Through Hole TO-92 NPN Single 800 mA 25 V 5 V 700 mV 625 mW 100 MHz - 55 C + 150 C BC338 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 25V, 800mA, NPN
Datasheet
9,151In Stock
Min.: 1
Mult.: 1
: 4,000

Through Hole TO-92 NPN Single 800 mA 25 V 5 V 700 mV 625 mW 100 MHz - 55 C + 150 C BC338 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 65V, 100mA, NPN
Datasheet
9,246In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 65 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC546 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 65V, 100mA, NPN
Datasheet
16,099In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 65 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC546 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92BK, 65V, 100mA, NPN
Datasheet
7,385In Stock
Min.: 1
Mult.: 1

Si Through Hole TO-92BK NPN Single 100 mA 65 V 80 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC546 Bulk
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 65V, 100mA, NPN
Datasheet
10,620In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 65 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC546 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 45V, 100mA, NPN
Datasheet
8,283In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 45 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC547 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 45V, 100mA, NPN
Datasheet
37,807In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 45 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC547 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92BK, 45V, 100mA, NPN
Datasheet
22,474In Stock
Min.: 1
Mult.: 1

Si Through Hole TO-92BK NPN Single 100 mA 45 V 50 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC547 Bulk
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 45V, 100mA, NPN
Datasheet
13,983In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 45 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC547 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92BK, 45V, 100mA, NPN
Datasheet
4,721In Stock
Min.: 1
Mult.: 1

Si Through Hole TO-92BK NPN Single 100 mA 45 V 50 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC547 Bulk
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 30V, 100mA, NPN
Datasheet
11,068In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC548 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 30V, 100mA, NPN
Datasheet
8,671In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC548 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92BK, 30V, 100mA, NPN
Datasheet
8,981In Stock
Min.: 1
Mult.: 1

Si Through Hole TO-92BK NPN Single 100 mA 30 V 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC548 Bulk
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 30V, 100mA, NPN
Datasheet
7,056In Stock
4,000Expected 10/2/2026
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC548 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92BK, 30V, 100mA, NPN
Datasheet
11,628In Stock
Min.: 1
Mult.: 1

Si Through Hole TO-92BK NPN Single 100 mA 30 V 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC548 Bulk
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 30V, 100mA, NPN
Datasheet
8,412In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC549 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 30V, 100mA, NPN
Datasheet
3,767In Stock
8,000Expected 9/25/2026
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC549 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 30V, 100mA, NPN
Datasheet
11,490In Stock
Min.: 1
Mult.: 1
: 4,000

Si Through Hole TO-92 NPN Single 100 mA 30 V 5 V 600 mV 500 mW 300 MHz - 55 C + 150 C BC549 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 65V, 100mA, PNP
Datasheet
7,721In Stock
4,000Expected 10/9/2026
Min.: 1
Mult.: 1
: 4,000

Through Hole TO-92 PNP Single 100 mA 65 V 80 V 5 V 250 mV 500 mW 150 MHz - 55 C + 150 C BC556 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 65V, 100mA, PNP
Datasheet
8,372In Stock
Min.: 1
Mult.: 1
: 4,000

Through Hole TO-92 PNP Single 100 mA 65 V 80 V 5 V 250 mV 500 mW 150 MHz - 55 C + 150 C BC556 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92BK, 65V, 100mA, PNP
Datasheet
22,896In Stock
Min.: 1
Mult.: 1

Through Hole TO-92BK PNP Single 100 mA 65 V 80 V 5 V 250 mV 500 mW 150 MHz - 55 C + 150 C BC556 Bulk
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 65V, 100mA, PNP
Datasheet
8,464In Stock
Min.: 1
Mult.: 1
: 4,000

Through Hole TO-92 PNP Single 100 mA 65 V 80 V 5 V 250 mV 500 mW 150 MHz - 55 C + 150 C BC556 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 45V, 100mA, PNP
Datasheet
10,407In Stock
Min.: 1
Mult.: 1
: 4,000

Through Hole TO-92 PNP Single 100 mA 45 V 50 V 5 V 250 mV 500 mW 150 MHz - 55 C + 150 C BC557 Ammo Pack
Diotec Semiconductor Bipolar Transistors - BJT BJT, TO-92, 45V, 100mA, PNP
Datasheet
5,901In Stock
8,000Expected 8/28/2026
Min.: 1
Mult.: 1
: 4,000

Through Hole TO-92 PNP Single 100 mA 45 V 50 V 5 V 250 mV 500 mW 150 MHz - 55 C + 150 C BC557 Ammo Pack