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BC550C B1G is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Taiwan Semiconductor Corporation. Its product description is TRANS NPN 45V 0.1A TO-92. Review the specifications below when checking this part for your BOM.
The BC550C B1G is an NPN silicon small-signal transistor manufactured by Taiwan Semiconductor Corporation. It operates with a maximum collector current of 100 mA and a collector-emitter voltage rating of 45 V. The device features a minimum DC current gain (hFE) of 420 at 2 mA and 5 V. It is housed in a TO-92 through-hole package with three pins, designed for general-purpose amplification and switching applications within a junction temperature range of -65 °C to 150 °C.
Verify the specific suffix 'B1G' against the manufacturer's official datasheet to confirm binning or tape-and-reel specifications. Confirm RoHS compliance status as historical data indicates potential non-compliance for older batches. Check for end-of-life notifications from Taiwan Semiconductor before finalizing procurement plans.
Select this component when high current gain is required for low-level signal processing. Ensure the circuit design accommodates the 45 V collector-emitter breakdown voltage. Verify that the thermal dissipation requirements fit within the TO-92 package limits for the intended operating environment.
This part belongs to the BC550 series of NPN general-purpose transistors. It serves as the NPN counterpart to PNP devices such as the BC558 and BC559. The series is widely used in consumer electronics and industrial control systems requiring reliable small-signal handling.
BC550C A1G is a documented substitute variant from the same manufacturer.
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