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Product Detailed Parameters
- Description：FIXED IND 47UH 2.1A 82 MOHM SMD
- Series：-
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：47 µH
- Tolerance：±20%
- Current Rating (Amps)：2.1 A
- Current - Saturation (Isat)：2.4A
- Shielding：Shielded
- DC Resistance (DCR)：82mOhm 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-470M=P3 is a shielded surface-mount power inductor from Murata Electronics, designed for automotive applications. It features a ferrite drum core and wirewound construction with an inductance of 47 µH and a tolerance of ±20%. The component supports a maximum DC current of 2.1 A and has a maximum DC resistance of 82 mΩ. It operates within a temperature range of -40°C to +85°C and meets RoHS standards.
Feature Summary
- Shielded design utilizing a ferrite drum core and wirewound architecture to minimize electromagnetic interference.
- Automotive qualification ensuring reliability under specified thermal and operational conditions.
- Surface-mount package configuration optimized for PCB integration.
Applications
- Automotive power line chokes
- DC-DC converter circuits
- Power supply filtering
Procurement Notes
Verify component status as the manufacturer has scheduled this part for obsolescence. Confirm availability through authorized distributors or check for active stock levels before finalizing procurement plans. Ensure compatibility with existing designs given the end-of-life status.
Selection Notes
Select this component for applications requiring 47 µH inductance with high current handling up to 2.1 A. Consider the 82 mΩ DCR for efficiency requirements. Verify that the -40°C to +85°C operating range aligns with the system's thermal environment and that the shielded type meets EMI constraints.
Part Context
This part belongs to the B953AS series of shielded power inductors manufactured by Murata Electronics. It is specifically engineered for automotive use, offering robust performance in power conversion tasks. The series utilizes ferrite cores to provide stable inductance characteristics across varying load conditions.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Due to the scheduled obsolescence, alternative components must be sourced based on specific electrical parameter matching and mechanical footprint compatibility.
