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BUX98APW is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is TRANS NPN 450V 24A TO-247-3. Review the specifications below when checking this part for your BOM.
The BUX98APW is a silicon Multiepitaxial Mesa NPN power transistor housed in a TO-247 plastic package. It features high voltage capability with a collector-emitter sustaining voltage of 450 V and a collector-base voltage of 1000 V. The device supports a continuous collector current of 24 A and a peak collector current of 36 A. Total power dissipation reaches 200 W at a case temperature below 25°C. Thermal resistance from junction to case is 0.63°C/W. Operating junction temperature ranges up to 150°C, with storage temperatures between -65°C and 150°C.
Verify component authenticity through authorized STMicroelectronics channels or certified distributors. Confirm the specific ordering suffix matches project requirements. Check RoHS compliance status against current regulatory standards. Validate datasheet revisions to ensure parameter consistency. Note that this product may be classified as obsolete; confirm availability and lifecycle status before finalizing procurement plans.
Evaluate thermal management requirements based on the 0.63°C/W junction-to-case resistance. Ensure drive circuitry can supply the necessary base current for saturation. Verify voltage ratings exceed peak circuit transients. Consider the TO-247 package dimensions for mechanical fit. Assess switching losses against the specified turn-on and fall times for the target frequency.
This component belongs to the STPOWER family of power bipolar junction transistors. It utilizes silicon multiepitaxial planar technology designed for ruggedness and high reliability. The device is intended for demanding industrial environments requiring robust performance under high voltage and current stress conditions.
Public confirmed substitute part numbers are not available in the provided documentation.
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