AEFD153-4211

Overview

The AEFD153-4211 is a surface-mount transformer manufactured by Allied Components International, designed for high-voltage isolation applications. This component features an EFD153 core configuration and utilizes a low-profile package structure to facilitate automated assembly processes in compact electronic designs. The device provides robust electrical isolation capabilities with a specified dielectric strength of 1500Vac, ensuring safety compliance in power conversion systems. It incorporates a specific inductance value of 235 µH, which supports stable energy transfer within the circuit topology. The unit is built to meet UL Class B standards under File Number E349541, indicating adherence to recognized safety regulations for insulation materials and construction methods used in industrial and commercial power supplies.

Feature Summary

• High voltage isolation capability rated at 1500Vac for enhanced safety
• Low profile surface mount design optimized for space-constrained PCB layouts
• Compliance with UL Class B safety standards for insulation integrity

Applications

• Isolated DC-DC converter modules requiring high voltage barrier
• Power supply units needing certified safety isolation
• Industrial control systems utilizing surface mount transformers

Procurement Notes

Verify that the required component matches the exact part number AEFD153-4211 to ensure correct inductance and isolation ratings. Confirm that the supplier provides documentation referencing UL Class B compliance and File Number E349541. Check that the packaging format aligns with your assembly requirements, as this item is typically supplied in boxes rather than reels. Ensure that the receiving inspection validates the physical dimensions against the EFD153 footprint specifications before integration into production lines.

Selection Notes

Select this transformer when a low-profile SMD solution is required for high-voltage isolation in power electronics. The 235 µH inductance value suits specific resonant or flyback topologies where this parameter is critical. Consider the UL Class B certification if regulatory approval for insulation systems is mandatory. Evaluate the physical height constraints of the enclosure to ensure the low-profile form factor fits within the designated mechanical envelope without interference from adjacent components.

Part Context

This component belongs to the EFD153 series of surface-mount transformers produced by Allied Components International. The EFD153 designation refers to the specific ferrite core geometry and size standard used in the construction. These transformers are engineered for applications demanding reliable galvanic isolation between primary and secondary circuits. The series is commonly utilized in modern power conversion equipment where space efficiency and safety compliance are prioritized over traditional through-hole mounting solutions.

Replacement Considerations

Direct substitutes must match the EFD153 footprint, 235 µH inductance, and 1500Vac isolation rating. Verify that any alternative component also holds UL Class B recognition under a valid file number. Cross-reference pinout configurations to ensure compatibility with existing PCB pads. Consult manufacturer cross-reference lists for equivalent parts that maintain identical electrical performance and mechanical dimensions.