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Product Detailed Parameters
- Description：TRANS NPN 80V 1A SOT-89
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：1:00 AM
- Voltage - Collector Emitter Breakdown (Max)：80 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：180MHz
- 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 BCX56-QX is an NPN medium power transistor manufactured by Nexperia, designed for surface-mount applications in the SOT-89 (SC-62) plastic package. It features a maximum collector-emitter voltage of 80 V and a continuous collector current of 1 A. The device offers a gain-bandwidth product of 180 MHz and supports a maximum junction temperature of +150 °C. It is compliant with AEC-Q101 automotive standards, ensuring reliability in demanding environments.
Feature Summary
- AEC-Q101 qualified for automotive electronics applications
- High collector current capability with exposed thermal pad for efficient heat dissipation
- Available in multiple DC current gain selections to suit specific circuit requirements
Applications
- Linear voltage regulators
- MOSFET drivers
- Low-side switches
- Battery-driven devices
- Power management circuits
Procurement Notes
Verify the suffix 'QX' indicates AEC-Q101 qualification and specific tape-and-reel packaging configuration. Confirm the exact hFE binning corresponds to design needs, as gain ranges vary across the BCX56 family variants. Ensure the ordering part number matches the required gain code and packaging format specified in the official Nexperia datasheet.
Selection Notes
Select this component for designs requiring robust NPN switching or amplification in space-constrained PCB layouts. The SOT-89 package provides superior thermal performance compared to standard SMD packages due to its exposed metal tab. Consider the 80 V rating and 1 A current limit when sizing for load conditions. Verify that the operating temperature range aligns with the system's environmental constraints.
Part Context
This part belongs to the BCX56 series of NPN medium power transistors from Nexperia. The series is characterized by high current handling and low saturation voltages. The QX suffix typically denotes automotive-grade qualification and specific reel packaging, distinguishing it from standard commercial versions while maintaining identical electrical characteristics.
Replacement Considerations
Direct substitutes include other AEC-Q101 qualified NPN transistors in SOT-89 packages with similar 80 V/1 A ratings. Check equivalent parts from manufacturers like ON Semiconductor or STMicroelectronics that offer comparable gain bins and thermal resistance values.
