- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for BC109B
- Part Number BC109B
- Manufacturer Multicomp Pro
- Pin Count 3
- Part Category Transistor BJT NPN
- Package Category Other
- Footprint Name Other - BC109B-1
- Released Date Jul 8, 2020
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
BC109B Details
-
Manufacturer Part Number:
BC109B
-
Rohs Code:
Yes
-
Part Life Cycle Code:
Active
-
ECCN Code:
EAR99
-
Manufacturer:
SPC Multicomp
-
Collector Current-Max (IC):
0.2 A
-
Configuration:
SINGLE
-
DC Current Gain-Min (hFE):
200
-
Number of Elements:
1
-
Operating Temperature-Max:
200 °C
-
Polarity/Channel Type:
NPN
BC109B Frequently Asked Questions (FAQs)
-
The maximum operating temperature range for the BC109B is -55°C to 150°C.
-
Yes, the BC109B can be used in switching applications, but it's not recommended due to its relatively low current gain and high saturation voltage. A more suitable transistor for switching applications would be the BC817 or BC327.
-
To ensure proper biasing for linear amplifier applications, use a voltage divider network to set the base voltage, and ensure the collector-emitter voltage is at least 2-3 times the supply voltage. Also, use a current-limiting resistor in the collector circuit to prevent overheating.
-
The maximum collector current rating for the BC109B is 100mA. Exceeding this rating may cause the transistor to overheat or fail.
-
The BC109B is not suitable for high-frequency applications due to its relatively low transition frequency (fT) of 250MHz. For high-frequency applications, consider using a transistor with a higher fT, such as the BC817 or 2N3904.
Trust Checks
Expert Contribution
System Verified
Community Approved
BC109B Overview
Use the download button to access the BC109B schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BC109,
or try a keyword search, such as Small Signal Bipolar Transistors