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CR105NP-120MC is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Sumida America Components Inc.. Its product description is FIXED IND 12UH 2.45A 70 MOHM SMD. Review the specifications below when checking this part for your BOM.
Fixed Inductors specifications for CR105NP-120MC
- Description：FIXED IND 12UH 2.45A 70 MOHM SMD
- Series：CR105
- Mfr：Sumida America Components Inc.
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Ferrite
- Inductance：12 µH
- Tolerance：±20%
- Current Rating (Amps)：2.45 A
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：70mOhm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-40°C ~ 100°C
- Inductance Frequency - Test：2.52 MHz
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：0.394" L x 0.358" W (10.00mm x 9.10mm)
- Height - Seated (Max)：0.228" (5.80mm)
- Features：-
Fixed Inductors datasheet and documents for CR105NP-120MC
Fixed Inductors Overview
The CR105NP-120MC is an unshielded surface-mount power inductor manufactured by Sumida. It features a ferrite core and wirewound construction with standard terminations suitable for PCB mounting. The component provides an inductance of 12 uH with a tolerance of 20%. It supports a maximum DC current of 2.45 A and has a maximum DC resistance of 70 mOhms. The physical dimensions are 10.00 mm in length, 9.10 mm in width, and the package style is designed for automated surface-mount assembly.
Fixed Inductors Feature Summary
- Unshielded design utilizing a ferrite core and wirewound structure
- Surface-mount configuration with standard terminations for PCB integration
- Capable of handling high DC currents up to 2.45 A
Fixed Inductors Applications
- Power supply circuits
- DC-DC converter modules
- General power electronics applications
Fixed Inductors Procurement Notes
Verify the specific manufacturer designation, as sourcing data references both Sumida Corporation and Sumida America Components Inc. Confirm that the 70 mOhm DC resistance aligns with your circuit requirements, as this differs from other variants in the series. Ensure the unshielded topology is compatible with your board's electromagnetic interference constraints before finalizing procurement.
Fixed Inductors Selection Notes
Select this component when an unshielded inductor is required for space-constrained power designs. The 12 uH value and 2.45 A current rating suit moderate power levels. Consider the 70 mOhm resistance for efficiency calculations. Verify that the 10.00 x 9.10 mm footprint fits the available PCB area and that the lack of shielding does not interfere with nearby sensitive components.
Fixed Inductors Part Context
This part belongs to the CR105NP series of SMD power inductors. Unlike shielded counterparts such as the CDRR105NP series, this model uses an open magnetic path. This distinction affects magnetic field distribution and suitability for dense layouts where shielding is not mandatory or desired.
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