PA0856.003NL

Overview

The PA0856.003NL is a Pulse Electronics transformer designed for DC/DC converter applications, specifically supporting forward and push-pull topologies. It provides 2250VDC isolation voltage between primary and secondary circuits. The component operates at a frequency of 200kHz and features a surface mount package with dimensions of 14.50mm length by 17.65mm width. It supports a primary voltage range of 33 to 57V and includes an auxiliary output of 10V at 50mA. The device functions within a temperature range of -40°C to 130°C.

Feature Summary

• Provides electrical isolation for DC/DC conversion circuits
• Supports forward and push-pull converter topologies
• Features surface mount construction for automated assembly

Applications

• Forward converter power supplies
• Push-pull converter power supplies
• Switching mode power supply (SMPS) transformers

Procurement Notes

Verify current availability status as the part may be subject to end-of-life notices or discontinuation. Confirm RoHS compliance and REACH status prior to integration. Check for official Product Change Notifications regarding manufacturing location or material updates. Ensure design-in compatibility with existing PCB footprints and thermal requirements before finalizing procurement plans.

Selection Notes

Select this component for designs requiring high isolation voltage in compact surface mount formats. Evaluate thermal performance within the specified operating temperature range. Consider the auxiliary winding specifications for control circuit powering needs. Verify footprint compatibility with standard SMT reflow profiles and ensure adequate clearance for the 2250VDC isolation barrier.

Part Context

This transformer belongs to the Pulse Electronics lineup of magnetics components used in power electronics. It serves as a critical isolation element in switching power converters. The component is distinct from common mode chokes and inductors, focusing on energy transfer and galvanic isolation rather than noise filtering or energy storage.

Replacement Considerations

Public documentation indicates potential end-of-life status. No direct substitute part numbers are confirmed in the provided source material. Consult manufacturer channels for obsolescence management or alternative series recommendations.