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Product Detailed Parameters
- Description：FIXED IND 4.7UH 2.18A 0.035OHM
- Series：D53LC
- Mfr：Murata Electronics
- Package：Tape & Reel (TR)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：4.7 µH
- Tolerance：±20%
- Current Rating (Amps)：2.18 A
- Current - Saturation (Isat)：1.13A
- Shielding：Shielded
- DC Resistance (DCR)：35mOhm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-40°C ~ 85°C
- Inductance Frequency - Test：100 kHz
- Mounting Type：Surface Mount
- Package / Case：2020 (5050 Metric)
- Supplier Device Package：2020
- Size / Dimension：0.197" L x 0.197" W (5.00mm x 5.00mm)
- Height - Seated (Max)：0.118" (3.00mm)
- Features：-
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Overview
The #A915BY-4R7M=P3 is a shielded drum core, wirewound power inductor from Murata Electronics. It features an inductance of 4.7 µH with a tolerance of ±20% and a test frequency of 100 kHz. The component has a maximum DC resistance of 35 mΩ. Rated current is 2.18 A based on temperature rise and 1.13 A based on inductance change. It utilizes a ferrite core material and measures 5.0 mm x 5.0 mm with a maximum height of 3.0 mm.
Feature Summary
- Shielded construction to minimize electromagnetic interference
- Drum core wirewound design for stable performance
- Surface mount package for automated assembly
Applications
- DC-DC converter output filtering
- Power supply input stages
- General purpose power electronics
Procurement Notes
This component is scheduled for obsolescence and will be discontinued by the manufacturer. Verify end-of-life status before finalizing designs. Availability may be limited to existing stock or last-time buys. Confirm compatibility with replacement parts if transitioning production lines.
Selection Notes
Select this inductor for applications requiring moderate current handling in compact spaces. Ensure the operating current remains within the 1.13 A inductance change limit to maintain stability. Consider thermal management due to the 35 mΩ DC resistance. Verify footprint compatibility with the 5050 metric package dimensions.
Part Context
Part of the A915 series fixed inductors designed for surface mount technology. This specific model provides a balance between size and current capacity using ferrite core technology. It serves as a passive component in power regulation circuits where shielding is required to prevent magnetic field leakage.
Replacement Considerations
- DDA915AY-H-680M=P3
FAQ
What is the difference between the rated currents?
The 2.18 A rating is based on temperature rise limits, while the 1.13 A rating is based on the point where inductance changes significantly.
Is this component shielded?
Yes, it is a shielded drum core inductor designed to reduce electromagnetic interference.
