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Product Detailed Parameters
- Description：FIXED IND 10UH 4.4A 23 MOHM SMD
- Series：-
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：10 µH
- Tolerance：±20%
- Current Rating (Amps)：4.4 A
- Current - Saturation (Isat)：5.5A
- Shielding：Shielded
- DC Resistance (DCR)：23mOhm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-40°C ~ 85°C
- Inductance Frequency - Test：100 kHz
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：0.504" L x 0.504" W (12.80mm x 12.80mm)
- Height - Seated (Max)：0.268" (6.80mm)
- Features：-
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Overview
The #B953AS-100M=P3 is a shielded surface-mount power inductor from Murata Electronics, belonging to the DS126C2 series. It features a ferrite drum core and wirewound construction within a non-standard 4949 (12.80mm x 12.80mm x 6.80mm) package. The component provides an inductance of 10 µH with a ±20% tolerance. It supports a maximum DC current of 4.4 A and a saturation current of 5.5 A, while maintaining a maximum DC resistance of 23 mΩ. Operating temperatures range from -40°C to +85°C.
Feature Summary
- Shielded design utilizing a ferrite drum core to minimize electromagnetic interference.
- Wirewound construction for stable performance in power line applications.
- Surface-mount packaging optimized for automated PCB assembly processes.
Applications
- Power management circuits
- DC-DC converter filtering
- Energy storage applications
Procurement Notes
Verify availability status carefully as this component is scheduled for obsolescence and will be discontinued by the manufacturer. Confirm that current stock levels meet project requirements before finalizing orders. Ensure compatibility with existing supply chain channels, as distribution may be limited or restricted in certain regions. Check for end-of-life notices prior to committing to long-term production volumes.
Selection Notes
Select this inductor when a 10 µH value with high current handling capability is required for space-constrained designs. The 4.4 A rated current and 5.5 A saturation limit suit moderate-to-high power density applications. Consider the 23 mΩ DCR for efficiency optimization. Verify that the 12.80mm footprint fits the target PCB layout constraints.
Part Context
This part belongs to the B953AS series of fixed power inductors designed for SMD mounting. It is manufactured by Murata Electronics and utilizes a shielded drum core architecture. The =P3 suffix indicates specific packaging configurations available through distributors. The component is classified under general-purpose power line chokes for electronic equipment.
Replacement Considerations
Publicly confirmed substitute part numbers include MDH10060C-100MB=P3 and SRR1208-100ML. Evaluate these alternatives based on pin compatibility, electrical specifications, and mechanical dimensions to ensure seamless integration into existing designs without requiring layout modifications.
