BCX70J-QR

Single FETs, MOSFETs Overview

The BCX70J-QR is an NPN general-purpose bipolar junction transistor manufactured by Nexperia. It is housed in a small SOT-23 surface-mount device plastic package. The component supports a maximum collector current of 100 mA and a maximum collector-emitter voltage of 45 V. It features a power dissipation rating of 250 mW and a gain-bandwidth product of 250 MHz. The device operates within a temperature range of -65 °C to +150 °C. This specific variant is qualified under the AEC-Q101 standard for automotive applications.

Single FETs, MOSFETs Feature Summary

• AEC-Q101 qualified for automotive reliability standards
• Low current capability suitable for general switching tasks
• Low voltage operation with high thermal stability

Single FETs, MOSFETs Applications

• General purpose switching circuits
• Amplification stages in low-power electronics
• Automotive electronic systems requiring qualified components

Single FETs, MOSFETs Procurement Notes

Verify the AEC-Q101 qualification status directly with the manufacturer or authorized distributors, as this suffix indicates specific automotive reliability requirements. Confirm the exact ordering code includes the QR suffix to ensure compliance with automotive supply chain standards. Check for RoHS compliance documentation prior to integration into regulated assemblies.

Single FETs, MOSFETs Selection Notes

Select this component when automotive-grade reliability is required for low-voltage, low-current NPN switching applications. The SOT-23 package offers space efficiency for dense PCB layouts. Ensure the design accounts for the 250 mW power dissipation limit and the 45 V voltage rating to maintain safe operating area margins during peak load conditions.

Single FETs, MOSFETs Part Context

This part belongs to the BCX70 series of NPN transistors from Nexperia. The series provides complementary PNP options, such as the BCX71. The BCX70J-QR specifically targets the automotive market segment, distinguishing itself from standard commercial variants through rigorous qualification testing mandated by AEC-Q101 standards for discrete semiconductor devices.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes include other AEC-Q101 qualified NPN transistors in SOT-23 packages with matching 45V/100mA ratings. Verify pinout compatibility and hFE binning before substitution. Cross-reference with BCX70J variants if automotive qualification is not strictly required.