ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：FIXED IND 3.9UH 4.6A 18 MOHM SMD
- Series：-
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：3.9 µH
- Tolerance：±30%
- Current Rating (Amps)：4.6 A
- Current - Saturation (Isat)：5.8A
- Shielding：Shielded
- DC Resistance (DCR)：18mOhm 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)：0.189" (4.80mm)
- Features：-
Download product information
Overview
The Murata #B952AS-H-3R9N=P3 is a shielded drum core, wirewound power inductor designed for surface mount applications. It features an inductance of 3.9 µH with a tolerance of ±30%. The component supports a maximum rated current of 4.6 A and reaches saturation at 2.6 A. Its maximum DC resistance is 18 mΩ. Physical dimensions are 10.40 mm x 10.40 mm with a height of 4.80 mm. It operates within a temperature range of -40°C to +85°C.
Feature Summary
- Shielded drum core construction minimizes electromagnetic interference.
- Wirewind design provides high current handling capabilities.
- Surface mount package facilitates automated PCB assembly.
Applications
- Power line chokes
- DC-DC converter output filtering
- General purpose power supply filtering
Procurement Notes
Verify the manufacturer part number against official datasheets before ordering. Confirm that the =P3 suffix matches the required packaging specifications. Check for End-of-Life notices or Product Change Notifications regarding this specific variant. Ensure compatibility with existing BOM requirements and regulatory standards such as RoHS compliance.
Selection Notes
Select this component when a compact shielded inductor with moderate inductance and high current capacity is required. Compare the 4.6 A rated current and 2.6 A saturation current against circuit load requirements. Evaluate the 18 mΩ DCR impact on efficiency. Consider the 10.40 mm footprint for board space constraints.
Part Context
This part belongs to the B952AS series of fixed power inductors from Murata Electronics. The series utilizes ferrite cores and wirewound technology. These components are generally used in electronic circuits requiring reliable energy storage and noise suppression in power conversion stages.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-references through official Murata SimSurfing tools or authorized distributor databases for compatible alternatives.
FAQ
What is the saturation current for this inductor?
The saturation current (Isat) is 2.6 A.
What is the physical size of the component?
The dimensions are 10.40 mm in length, 10.40 mm in width, and 4.80 mm in maximum height.
