BCP56/ZLX

Overview

The BCP56/ZLX is an NPN medium power transistor manufactured by Nexperia USA Inc. It operates with a maximum collector-emitter voltage of 80 V and supports a continuous collector current of 1 A. The device features a transition frequency of 135 MHz and a maximum power dissipation of 1.35 W. It utilizes the SOT223 (SC-73) surface-mount package, which includes three pins. The component is designed for high-side switching and linear regulator applications.

Feature Summary

• High collector current capability for robust load handling
• Three selectable current gain ranges to accommodate specific circuit requirements
• High power dissipation capacity within a compact surface-mount plastic package

Applications

• Linear voltage regulators
• MOSFET drivers
• High-side switches
• Power management circuits

Procurement Notes

Verify the exact suffix designation against official Nexperia documentation to confirm pinout compatibility and gain binning. Ensure the ordering code matches the required current gain selection. Confirm RoHS compliance status and automotive qualification requirements if applicable to the target design environment before finalizing procurement.

Selection Notes

Select this component when an NPN transistor with 80 V breakdown and 1 A current capacity is required in a SOT223 package. Consider the specific hFE bin needed for the application's biasing stability. Evaluate thermal management needs given the 1.35 W dissipation rating and ensure the PCB layout supports adequate heat sinking for the exposed collector pad.

Part Context

This part belongs to the Nexperia BCP56 series of medium power NPN transistors. It serves as the NPN complement to the BCP53 PNP counterpart. The series is engineered for general-purpose amplification and switching tasks in consumer electronics and industrial equipment, offering a balance of performance and cost-effectiveness in standard surface-mount form factors.

Replacement Considerations

The BCP53T is the documented PNP complement within the same family. For direct NPN replacements, verify equivalent specifications such as the BCY56 or similar 80V 1A SOT223 devices from other manufacturers, ensuring pinout and thermal characteristics match.