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Product Detailed Parameters
- Description：TRANSFORMER 360UH MAX253 SMD
- Series：78253J
- Mfr：Murata Power Solutions Inc.
- Package：Tube
- Inductance：360 µH
- For Use With/Related Products：MAX253
- Mounting Type：Surface Mount
- Size / Dimension：0.354" L x 0.375" W (9.00mm x 9.52mm)
- Height - Seated (Max)：0.260" (6.60mm)
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Overview
The Murata Power Solutions Inc. 78253/55JC is a specialty power transformer designed for use with the MAX253 controller. It features a single primary and single secondary winding configuration with a turns ratio of 1:1. The component has an inductance of 360 µH, a primary voltage rating of 5 V, and a secondary current rating of 200 mA. It supports a power rating of 1 W and utilizes surface-mount installation. The physical dimensions are 9.00 mm in length, 9.52 mm in width, and a maximum height of 6.35 mm.
Feature Summary
- Designed specifically for MAX253 controller applications
- Surface-mount construction for automated assembly
- Single primary and secondary winding topology
Applications
- MAX253-based power supply designs
- Isolated DC-DC conversion circuits
- Board-mounted power management systems
Procurement Notes
Verify the specific suffix against the required package type, as the 'JC' designation indicates a surface-mount variant distinct from through-hole or other reel options. Confirm that the 360 µH inductance value aligns with the target circuit requirements rather than similar variants like the 78253/55JC-R which may differ in packaging or specific electrical tolerances. Ensure compatibility with the MAX253 controller family before finalizing procurement orders.
Selection Notes
Select this component when a 1:1 turns ratio and 360 µH inductance are required for MAX253 applications. Consider the 9.00 mm x 9.52 mm footprint for PCB layout constraints. Evaluate the 200 mA secondary current rating to ensure it meets load demands. Compare against the 78253/55JVC-R if lower inductance (240 µH) is needed, or the 78253/55C if through-hole mounting is preferred.
Part Context
This part belongs to the 78253 series of specialty transformers manufactured by Murata Power Solutions. These components are engineered to work in conjunction with Maxim Integrated MAX253 switching regulators. The series offers various inductance values and mounting styles to support different isolated power supply architectures.
Replacement Considerations
The 78253/55JC-R serves as a surface-mount alternative within the same series, though verification of the specific inductance and packaging suffix is required. For through-hole requirements, the 78253/55C is available but differs in mounting style.
