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Product Detailed Parameters
- Description：CURR SENSE XFMR 1:1:50 15A SMD
- Series：5500
- Mfr：Murata Power Solutions Inc.
- Package：Tube
- Frequency Range：50kHz ~ 500kHz
- Type：Invasive
- Inductance：3.8 mH
- ET (Volt-Time)：-
- Current Ratio：-
- DC Resistance (DCR)：2.3mOhm Primary, 350mOhm Secondary
- Ratings：-
- Mounting Type：Surface Mount
- Size / Dimension：0.496" L x 0.575" W (12.60mm x 14.60mm)
- Height - Seated (Max)：0.280" (7.10mm)
- Termination Style：-
- Turns Ratio - Primary:Secondary：1:01:50
- Current Rating (Amps)：-
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Overview
The 55050C is a current sense transformer manufactured by Murata Power Solutions, designed for surface mount applications. It features a 1:1:50 turns ratio and operates within a frequency range of 50kHz to 500kHz. The component has a primary DC resistance of 2.3mOhm and a secondary DC resistance of 350mOhm. Inductance is specified at 3.8mH with a rated current of 15A. Physical dimensions are 14.60mm in length, 12.60mm in width, and a maximum installation height of 7.10mm.
Feature Summary
- Provides galvanic isolation for high-frequency current sensing applications
- Utilizes a precise 1:1:50 turns ratio for accurate signal transformation
- Supports surface mount technology for automated PCB assembly
Applications
- Current sensing in switching power supplies
- Over-current protection circuits
- Feedback loop monitoring in isolated converters
Procurement Notes
Verify the obsolete status of this component before finalizing design specifications. Confirm that the surface mount package dimensions align with the target PCB footprint. Ensure the operating frequency range meets the system requirements. Check for available substitute models from the manufacturer if production continuity is required.
Selection Notes
Select this component when a 1:1:50 current transformation ratio is required for board-mounted applications. Consider the 15A rated current limit and the specific inductance value for circuit stability. Verify compatibility with the target frequency range between 50kHz and 500kHz. Evaluate the physical size constraints against the available PCB space.
Part Context
This part belongs to the 5500 series of current transformers from Murata Power Solutions. These components are engineered for board mounting and provide isolation between primary and secondary circuits. The series supports various turns ratios to accommodate different current sensing needs in power electronics designs.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the source data. Consult official manufacturer documentation for potential cross-reference options or updated series replacements.
