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The BC858A-7-F is a PNP small-signal transistor manufactured by Diodes Incorporated, housed in an SOT23 surface-mount package. It features a collector-emitter voltage of -30V and a continuous collector current of -100mA. The device offers a DC current gain (hFE) range of 125 to 250 at -2mA and -5V. Electrical characteristics include a transition frequency of up to 200MHz and a power dissipation rating of 310mW. Operating temperature ranges from -55°C to +150°C.
Verify the specific ordering suffix '-7-F' against the manufacturer's official documentation to confirm the reel size and packing quantity details. Ensure that the component status is reviewed prior to procurement, as availability may change based on production updates.
Select this component for general-purpose switching and amplification tasks requiring a compact SOT23 footprint. Verify that the required DC current gain falls within the A-grade specification limits. Confirm thermal management requirements align with the specified power dissipation ratings under expected operating conditions.
This part belongs to the BC856A through BC858C series of PNP small-signal transistors. It serves as the complementary counterpart to the BC846A through BC848C NPN types. The series is engineered for use in low-power consumer electronics and industrial control systems where space efficiency is critical.
The datasheet explicitly states that the BC858A-7-F is End-of-Life (EOL). Designers are instructed to use the BC857A-7-F as the direct replacement part number.