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Product Detailed Parameters
- Description：FIXED IND 68UH 1.7A 120 MOHM SMD
- Series：-
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：68 µH
- Tolerance：±20%
- Current Rating (Amps)：1.7 A
- Current - Saturation (Isat)：1.7A
- Shielding：Shielded
- DC Resistance (DCR)：120mOhm 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-680M=P3 is a shielded surface-mount power inductor from Murata Electronics, designed for automotive applications. It features a ferrite core and wirewound construction within a 12.5 x 12.5 mm footprint. The component provides an inductance of 68 µH with a ±20% tolerance. It supports a maximum DC current of 1.7 A and has a saturation current of 1.6 A. The maximum DC resistance is 120 mΩ. Operating temperatures range from -40°C to +150°C, and it holds AEC-Q200 qualification.
Feature Summary
- Shielded wirewound design utilizing a ferrite core for magnetic containment
- AEC-Q200 qualified for automotive reliability standards
- High thermal stability supporting operation up to +150°C
Applications
- Automotive power line chokes
- DC-DC converter input/output filtering
- Power supply circuitry in vehicle electronics
Procurement Notes
Verify availability status carefully as this component may be subject to limited supply or discontinuation. Confirm the exact suffix matches your design requirements. Check for official replacement recommendations from Murata if sourcing is restricted. Ensure compliance with RoHS directives before integration into final assemblies.
Selection Notes
Select this part for applications requiring high current handling in compact spaces. The 12.5mm square package offers a balance between performance and board area. Consider the 120 mΩ DCR for efficiency calculations. Verify that the 1.7 A rating meets the peak load requirements of the target circuit without exceeding saturation limits.
Part Context
This component belongs to the B953AS series of power inductors. It is specifically engineered for automotive environments, distinguishing it from general-purpose industrial inductors. The series emphasizes robustness against vibration and extreme temperature fluctuations common in vehicle under-hood and cabin applications.
Replacement Considerations
Consult Murata's official documentation for direct substitutes. Cross-reference dimensions and electrical parameters such as inductance, current ratings, and footprint compatibility when evaluating alternative components.
