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Product Detailed Parameters
- Description：TRANS PNP 45V 1A SOT-223
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：1:00 AM
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：63 @ 150mA, 2V
- Power - Max：650 mW
- Frequency - Transition：145MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SOT-223
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BCP51-QX is a PNP medium power transistor from Nexperia, designed for high collector current applications. It features a maximum collector-emitter voltage of -45V and is housed in an SOT-223 (SC-73) surface-mount package. The device includes an exposed heatsink for superior thermal conductivity and electrical performance. It is AEC-Q101 qualified, ensuring reliability for automotive environments. Key specifications include a collector current capability of 1A and a power dissipation rating suitable for linear regulators and power management circuits.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- Exposed heatsink for enhanced thermal performance
- High collector current capability
Applications
- Linear voltage regulators
- Battery-driven devices
- MOSFET drivers
- Power management systems
Procurement Notes
Verify the specific suffix 'QX' against official Nexperia documentation to confirm it denotes the standard tape-and-reel packaging format rather than a variant with different electrical characteristics. Ensure the ordering part number matches the required SOT-223 package type and that the component meets the necessary AEC-Q101 standards for your target application environment.
Selection Notes
Select this component when a PNP transistor with -45V VCEO is required in a compact SMD form factor. The exposed pad design makes it suitable for applications demanding efficient heat dissipation. Consider the gain bandwidth product and current handling capabilities relative to the load requirements compared to other members of the BC5x family.
Part Context
This part belongs to the BC5xPAS-Q series of medium power transistors. It serves as the PNP counterpart to NPN variants like the BC547 or BC557 families but is optimized for higher current and power dissipation in surface-mount designs. The Q-series designation indicates automotive-grade qualification.
Replacement Considerations
Direct substitutes within the same family include the BC51PAST-Q. Verify pinout compatibility and thermal resistance values when replacing with generic PNP transistors from other manufacturers.
