BC109 is a kind of low-power bipolar transistor. This article mainly covers pinout, datasheet pdf, equivalents, current, and other details about the BC109 transistor. Furthermore, there is a huge range of semiconductors, capacitors, resistors, and ICs in stock. Welcome your RFQ!
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Oct 29, 2021
Bishop Peg
Transistor comparison Hybrid Fuzz BC108 BC109 2N2222A
BC109 is a kind of low-power bipolar transistor. This article mainly covers pinout, datasheet pdf, equivalents, current, and other details about the BC109 transistor. Furthermore, there is a huge range of semiconductors, capacitors, resistors, and ICs in stock. Welcome your RFQ!
BC109B
BC109 Pinout
The BC109 is a silicon planar epitaxial NPN transistor in the TO-18 metal case. It is suitable for use in driver stages, low noise input stages, and signal processing circuits of television receivers. The complementary PNP type is BC179.
The maximum collector to emitter voltage of the transistor is 20V which means that the transistor can drive a maximum load voltage of 20V. Moreover, the maximum collector dissipation is 300mW and the DC gain value is from 200 to 800, it also has a good noise figure of 4dB.
BC109 Symbol
BC109 Footprint
Collector emitter voltage (Vce) of 25V
Continuous collector current (Ic) of 200mA
Power dissipation of 600mW
Operating junction temperature range from -65°C to 200°C
Collector emitter saturation voltage of 600mV at Ic=100mA
DC gain of 40 at Ic=10µA
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BC108, BC107, A158C, BCY65X, BC546, BC547, BC548, BC549, BC560
Signal Processing
Power Management
Portable Devices
Consumer Electronics
Audio amplifier Circuits
Any Signal Amplification
Audio Preamplifier
Darlington pair
RF circuits
Switching loads under 100mA
Because the BC109 is a general-purpose transistor, it can be utilized in any general-purpose application that meets its requirements. It can be used to power loads that draw less than 100 milliamps. It is perfect for audio amplification, preamplification, and any electronic signal amplification because of its low noise figure of 4dB. It's also suited for usage in RF circuits below 100MHz, thanks to the 100MHz transition frequency.
BC109 Package Dimensions
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