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The BCX5316E6433HTMA1 is a PNP silicon audio frequency transistor from the BCX53 series, housed in an SOT-89 package. It features a collector-emitter voltage of 80 V and a continuous collector current of 1 A. The device supports a total power dissipation of 2 W at a case temperature up to 120 °C. Key electrical characteristics include a DC current gain ranging from 100 to 250 at 150 mA, a transition frequency of 125 MHz, and a maximum collector-emitter saturation voltage of 0.5 V.
Verify the specific suffix E6433HTMA1 against official Infineon documentation to confirm RoHS compliance and lead-free status. Ensure the ordering code matches the required BCX53 variant with 80 V rating. Confirm package type is SOT-89 and check for any end-of-life notices or alternative recommendations directly from the manufacturer.
Select this component when an 80 V PNP transistor with 1 A current handling is required for audio applications. Compare hFE ranges (100-250) against circuit gain requirements. Verify thermal management capabilities for 2 W dissipation in the target enclosure. Consider complementary NPN types like BCX54...BCX56 if push-pull configurations are needed.
This part belongs to the BCX51...BCX53 family of PNP silicon transistors designed for audio frequency applications. The BCX53 variant specifically offers higher voltage ratings compared to BCX51 and BCX52. The family provides complementary NPN options and is characterized by high current handling and low saturation voltages suitable for power amplification.
Official substitutes within the same family include BCX5116E6433HTMA1 and BCX5216E6433HTMA1, noting differences in voltage ratings (45 V and 60 V respectively). Cross-referencing with other manufacturers requires verifying matching pinouts, voltage limits, and thermal resistance values.