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The BC858BE6433HTMA1 is a PNP silicon small-signal bipolar junction transistor (BJT) manufactured by Infineon Technologies. It is housed in a surface-mount SOT-23-3 package and designed for audio frequency applications. Key electrical parameters include a maximum collector-emitter voltage (VCEO) of 30 V, a maximum collector-base voltage (VCBO) of 30 V, and an emitter-base voltage (VEBO) of 5 V. The device supports a continuous DC collector current of 100 mA with a power dissipation rating of 330 mW. It features a transition frequency (fT) of 250 MHz and operates within a temperature range of -65°C to +150°C.
Verify the specific ordering suffix E6433HTMA1 against official Infineon documentation to confirm packaging and tape-and-reel specifications. Confirm component availability status as distribution data may indicate end-of-life or discontinuation phases. Ensure compatibility with standard SOT-23 footprints during procurement planning.
Select this component when a PNP configuration is required with a 30 V collector-emitter breakdown voltage. The 100 mA current rating and 330 mW power dissipation define its thermal limits. Verify that the SOT-23-3 package dimensions fit the target PCB layout constraints before finalizing the design choice.
This part belongs to the BC858 series of PNP transistors from Infineon Technologies. The series is characterized by high gain bandwidth products suitable for audio frequencies. The specific suffix denotes the manufacturer's internal coding for packaging and material composition, distinguishing it from other variants in the same family.
Consult official Infineon substitution guides for verified equivalents. Generic cross-references should be validated against pinout and electrical parameter tolerances to ensure functional compatibility without circuit modification.