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The BCX54-16-QX is an NPN medium power transistor from the Nexperia BCX54-Q series, housed in a SOT89 (SC-62) surface-mounted plastic package. It features a collector-emitter voltage of 45 V and a continuous collector current capability of 1 A, with a peak pulse current of 2 A. The device offers three current gain selections; the BCX54-16 variant provides a DC current gain range of 100 to 250 at VCE = 2 V and IC = 150 mA. Qualified under AEC-Q101 standards, it supports high power dissipation up to 1.35 W on specific PCB footprints and operates within a junction temperature range of -55 °C to 150 °C.
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and reel specifications. Ensure the selected part number matches the required current gain bin, as the BCX54-16 designation corresponds to a specific hFE range. Confirm automotive qualification status if the application requires AEC-Q101 compliance. Cross-reference the marking code BD with the datasheet to validate authenticity upon receipt.
Select this component when designing circuits requiring robust NPN switching or amplification with moderate power handling. The BCX54-16 variant is appropriate for applications needing a guaranteed minimum current gain of 100 at 150 mA. Consider the thermal resistance characteristics and PCB copper area requirements to ensure adequate heat dissipation. Verify that the 45 V breakdown voltage meets the system's maximum operating voltage constraints.
This component belongs to the BCX54-Q series of NPN medium power transistors manufactured by Nexperia. The series is designed for general-purpose switching and amplification tasks in both industrial and automotive environments. The Q-series designation indicates adherence to automotive quality standards, distinguishing it from standard commercial grade counterparts while maintaining the same physical footprint and pinout configuration.
BCX54-Q
The marking code for the BCX54-16-QX is BD.
Yes, the BCX54-Q series is qualified according to the AEC-Q101 standard and is recommended for use in automotive applications.
The peak collector current (ICM) is rated at 2 A for single pulses with a duration of tp ≤ 1 ms.