BC548 Bipolar Transistor

Characteristics of the BC548 bipolar transistor

Type -?NPN
Collector-Emitter Voltage:?30?V
Collector-Base Voltage:?30?V
Emitter-Base Voltage:?5?V
Collector Current:?0.1?A
Collector Dissipation -?0.5?W
DC Current Gain (h_fe) -?110?to?800
Transition Frequency -?150?MHz
Noise Figure -?2?dB
Operating and Storage Junction Temperature Range?-65 to 150??C
Package -?TO-92

Pin configuration (Pinout) of the BC548

The BC548 is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the collector, base, and emitter leads.
Here is an image showing the pin diagram of the this transistor.

Classification of h_FE

The BC548 transistor might have a current gain anywhere between?110?and?800. The gain of the?BC548A?will be in the range from?110?to?220,?BC548B?ranges from?200?to?450,?BC548C?ranges from?420?to?800.

Complementary PNP transistor

The complementary?PNP?transistor to the BC548 is the?BC558.

SMD Equivalent

The SMD versions of the BC548 are available as the?BC848?(SOT-23),?BC848W?(SOT-323),?BC849?(SOT-23) and?BC849W(SOT-323).

Replacement and equivalent transistor for the BC548

You can replace the BC548 with the?BC547,?BC549?or?BC550

14 Days Warranty

This item is covered with a standard warranty of 14 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Micro Ohm customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.