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AEFD20-4251 is listed in the Switching Converter, SMPS Transformers range at ChipApex. The manufacturer field lists Allied Components International. Its product description is XFMR 4.5UH CHAS MT. Review the specifications below when checking this part for your BOM.
Switching Converter, SMPS Transformers specifications for AEFD20-4251
- Description：XFMR 4.5UH CHAS MT
- Series：-
- Mfr：Allied Components International
- Package：Tray
- Type：-
- Applications：-
- Intended Chipset：-
- Chipset Manufacturer：-
- Voltage - Primary：-
- Voltage - Auxiliary：-
- Voltage - Isolation：1800V
- Inductance @ Frequency：4.5µH
- Frequency：-
- Operating Temperature：-
- Mounting Type：Chassis Mount
- Size / Dimension：0.945" L x 0.860" W (24.00mm x 21.84mm)
- Height - Seated (Max)：0.450" (11.43mm)
- Footprint：-
- Style：-
- Grade：-
- Qualification：-
Switching Converter, SMPS Transformers datasheet and documents for AEFD20-4251
Switching Converter, SMPS Transformers Overview
The AEFD20-4251 is a wire-wound surface-mount power transformer manufactured by Allied Components International. It features an EFD20 core configuration with twelve pins and operates within a temperature range of -40°C to +130°C. The component measures 29.210 mm in length, 21.840 mm in width, and 11.430 mm in height. Its primary inductance is specified at 4.5µH.
Switching Converter, SMPS Transformers Feature Summary
- Low profile surface-mount design suitable for space-constrained applications
- Wire-wound construction utilizing an EFD20 core structure
Switching Converter, SMPS Transformers Applications
- Switching mode power supply (SMPS) transformers
- Power converter circuits requiring low profile form factors
Switching Converter, SMPS Transformers Procurement Notes
Verify the specific datasheet version and pinout configuration against your schematic before integration. Confirm that the operating temperature range meets your environmental requirements. Ensure mechanical clearance allows for the specified dimensions during PCB layout. Cross-reference the manufacturer's latest documentation for any updates to electrical characteristics or mounting recommendations.
Switching Converter, SMPS Transformers Selection Notes
Select this component when a low-profile SMD transformer with an EFD20 core is required. Consider the 12-pin configuration and 4.5µH primary inductance for compatibility with your circuit topology. Evaluate the thermal performance limits relative to your application's heat dissipation needs. Compare physical dimensions against available board space constraints.
Switching Converter, SMPS Transformers Part Context
This part belongs to Allied Components International's line of custom and standard transformers designed since 1992. The AEFD series represents their wire-wound surface-mount offerings. The EFD20 designation indicates the specific ferrite core geometry used for magnetic performance optimization in compact power conversion designs.
Switching Converter, SMPS Transformers Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing designs through direct electrical and mechanical parameter matching if sourcing alternatives.
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