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BC546TF is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists onsemi. Its product description is TRANS NPN 65V 0.1A TO-92-3. Review the specifications below when checking this part for your BOM.
The onsemi BC546TF is an NPN epitaxial silicon transistor housed in a TO-92-3 through-hole package. It features a collector-emitter voltage of 65 V and a continuous collector current of 100 mA. The device has a maximum power dissipation of 500 mW and a transition frequency of 300 MHz. DC current gain ranges from 110 to 800 at 2 mA. Collector cutoff current is limited to 15 nA, with saturation voltages specified at various drive currents.
Verify the obsolete status and end-of-life notifications before design finalization. Confirm that the TO-92-3 lead frame material matches legacy requirements. Ensure the specific suffix aligns with tape-and-reel handling needs. Check for any recent parameter shifts due to manufacturing changes.
Select this component when a high-voltage NPN transistor is required in a compact through-hole form factor. Compare against the BC547 or BC548 if lower voltage ratings are acceptable. Consider the complementary PNP type for push-pull configurations. Verify thermal management capabilities within the target enclosure.
This part belongs to the BC546-BC550 series of general-purpose NPN transistors. It shares the same physical package as other variants in the lineup but offers distinct electrical characteristics. The series is widely used in consumer electronics and industrial control systems requiring reliable small-signal processing.
Public confirmed substitute part numbers: BC546TAR, BC546BRL1G.
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