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Product Detailed Parameters
- Description：FIXED IND 39UH 2A 93 MOHM SMD
- Series：-
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：39 µH
- Tolerance：±20%
- Current Rating (Amps)：2:00 AM
- Current - Saturation (Isat)：1.9A
- Shielding：Shielded
- DC Resistance (DCR)：93mOhm 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：0.409" L x 0.409" W (10.40mm x 10.40mm)
- Height - Seated (Max)：0.268" (6.80mm)
- Features：-
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Overview
The Murata Electronics #B966BS-390M=P3 is a surface-mount power inductor designed for line choke applications. It features a shielded drum core construction with ferrite material, ensuring magnetic field containment and reduced electromagnetic interference. The component provides an inductance of 39 µH with a tolerance of ±20%. It supports a maximum DC current of 2 A and a saturation current of 2.1 A. The device exhibits a maximum DC resistance of 93 mΩ. It operates within a temperature range of -40°C to +85°C and is housed in a non-standard SMD package.
Feature Summary
- Shielded drum core design for effective magnetic shielding
- Ferrite wirewound construction for stable performance
- Surface mount technology for automated assembly
Applications
- Power line choke circuits
- DC-DC converter filtering
- General power supply noise suppression
Procurement Notes
This component is scheduled for obsolescence and will be discontinued by the manufacturer. Availability is limited, and sourcing may require checking specific distributor channels or alternative suppliers. Verify end-of-life status and lead times carefully before finalizing designs. Ensure compliance with RoHS3 specifications as indicated in official documentation.
Selection Notes
Select this part for applications requiring a 39 µH shielded inductor with a 2 A current rating. Consider the non-standard package dimensions during PCB layout. Evaluate thermal management requirements given the operating temperature range. Confirm that the saturation current meets the peak load demands of the target circuit to prevent performance degradation.
Part Context
The B966BS series represents Murata's fixed inductor lineup optimized for power electronics. This specific model utilizes a drum core geometry to balance inductance density with shielding efficiency. It belongs to the DS106C2 datasheet family, indicating standardized testing parameters for high-frequency power applications.
Replacement Considerations
Murata recommends MDH10060C-330MB=P3 as a replacement. Verify electrical compatibility including inductance, current ratings, and physical footprint before substitution.
