Transistor - BC549, General Purpose, TO-92 case, NPN
The BC549 is a silicon general purpose NPN transistor in a TO-92 package. The BC549’s typical applications include signal processing, amplification, and switching. The BC549 is available in two different gain ranges: BC549B and BC549C.
Type | hFE (IC=2mA, VCE=5V) |
---|---|
BC549B | 200-450 |
BC549C | 420-800 |
Pinout:

SKU:
P-QBC549X
Item ID:
046125
Element:
Matched Pair:
Package:
Polarity:
Series:
Type:
Type | Our Part Number |
---|---|
BC549B | P-QBC549B |
BC549C | P-QBC549C |
Max. Collector Current | 100mA | |
Max. Collector–Base Voltage | 30 V | |
Max. Collector–Emitter Voltage | 30 V | |
Max. Emitter–Base Voltage | 5 V | |
Max. Operating and Storage Junction Temperature Range | -55 to +150 °C | |
Max. Peak Base Current | 200 mA | |
Max. Peak Collector Current | 200 mA | |
Max. Peak Emitter Current | 200 mA |
Packaging Dimensions | 0.751 in. × 0.217 in. × 0.125 in. | |
Weight (Packaging) | 0.001 lbs. |
P-QBC549B - BC549B version | Max. Collector Current | 100mA |
Max. Collector–Base Voltage | 30 V | |
Max. Collector–Emitter Voltage | 30 V | |
Max. Emitter–Base Voltage | 5 V | |
Max. Operating and Storage Junction Temperature Range | -55 to +150 °C | |
Max. Peak Base Current | 200 mA | |
Max. Peak Collector Current | 200 mA | |
Max. Peak Emitter Current | 200 mA | |
P-QBC549C - BC549C version | Max. Collector Current | 100mA |
Max. Collector–Base Voltage | 30 V | |
Max. Collector–Emitter Voltage | 30 V | |
Max. Emitter–Base Voltage | 5 V | |
Max. Operating and Storage Junction Temperature Range | -55 to +150 °C | |
Max. Peak Base Current | 200 mA | |
Max. Peak Collector Current | 200 mA | |
Max. Peak Emitter Current | 200 mA |
![]() | All Models |
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