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Product Detailed Parameters
- Description：TRANS NPN 45V 1A SOT-89
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：NPN
- 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：500 mW
- Frequency - Transition：-
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：SOT-89
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BCX54TF is an NPN power bipolar junction transistor manufactured by Nexperia. It operates with a maximum collector-emitter voltage of 45 V and supports a continuous collector current of 1 A. The device features high power dissipation capability within the SOT-89 (SC-62) surface-mount package. It offers three distinct current gain selections to accommodate various circuit requirements. The component is qualified under the AEC-Q101 standard for automotive applications.
Feature Summary
- High collector current capability for both DC and pulsed operation
- Three available current gain selections for flexible design integration
- High power dissipation performance in a compact SMD plastic package
- Automotive qualification compliant with AEC-Q101 standards
Applications
- Linear voltage regulators
- MOSFET drivers
- Low-side switches
- Power management circuits
- Amplifiers
Procurement Notes
Verify the specific suffix configuration against official Nexperia documentation to ensure correct binning and electrical characteristics. Confirm that the SOT-89 package variant matches the intended PCB footprint. Check for AEC-Q101 compliance if the application requires automotive-grade reliability. Ensure the selected current gain range aligns with the circuit design specifications before finalizing procurement.
Selection Notes
Select this component when a robust NPN transistor with 1 A current handling and 45 V voltage rating is required in a surface-mount format. The availability of multiple gain bins allows for optimized performance in amplifier or switching applications. Consider the thermal management capabilities inherent to the SOT-89 package for high-power dissipation scenarios. Verify compatibility with existing supply chain sources for long-term production stability.
Part Context
This part belongs to the BCX54T series of medium power NPN transistors from Nexperia. It serves as a complement to the PNP BCX51T device. The series is designed for general-purpose power switching and linear regulation tasks. The SOT-89 package provides a balance between power handling and board space efficiency compared to larger through-hole alternatives.
Replacement Considerations
The BCX51T is the documented PNP complement within the same product family. Direct cross-model replacements should be verified against specific electrical parameters such as voltage ratings and current gains. No other substitute part numbers are confirmed in the provided public documentation.
