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CTCDRH4D28F-391N is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Central Technologies. Its product description is 390UH SMD SHIELDED POWR INDUCTOR. Review the specifications below when checking this part for your BOM.
Fixed Inductors specifications for CTCDRH4D28F-391N
- Description：390UH SMD SHIELDED POWR INDUCTOR
- Series：CTCDRH4D28F
- Mfr：Central Technologies
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：-
- Inductance：390 µH
- Tolerance：±30%
- Current Rating (Amps)：-
- Current - Saturation (Isat)：130mA
- Shielding：Shielded
- DC Resistance (DCR)：2.83Ohm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-30°C ~ 100°C
- Inductance Frequency - Test：100 kHz
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：0.185" L x 0.185" W (4.70mm x 4.70mm)
- Height - Seated (Max)：0.118" (3.00mm)
- Features：-
Fixed Inductors datasheet and documents for CTCDRH4D28F-391N
Fixed Inductors Overview
The CTCDRH4D28F-391N is a shielded surface-mount power inductor from Central Technologies, featuring a nominal inductance of 390 µH with ±30% tolerance. It utilizes a rectangular package design suitable for automated assembly. The component exhibits a maximum DC resistance of 2.83 Ω and supports a rated DC current up to 1.44 A. Operating within a temperature range of -30 °C to 100 °C, it incorporates a magnetic shield to minimize electromagnetic interference. The device is lead-free and RoHS compliant, utilizing matte tin terminations for reliable soldering.
Fixed Inductors Feature Summary
- Integrated magnetic shielding reduces electromagnetic interference
- Surface-mount construction facilitates automated PCB assembly
- Lead-free and RoHS compliant manufacturing process
Fixed Inductors Applications
- Power supply filtering circuits
- DC-DC converter energy storage
- General purpose power inductor applications
Fixed Inductors Procurement Notes
Verify the specific suffix designation against official Central Technologies documentation to confirm exact electrical tolerances and packaging configurations. Ensure that the procurement source provides valid traceability for RoHS compliance status. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and avoid counterfeit components during acquisition.
Fixed Inductors Selection Notes
Select this component when a shielded SMD inductor with moderate inductance is required for space-constrained designs. The 390 µH value suits applications needing significant energy storage with limited current demands. Consider the 2.83 Ω DCR impact on efficiency and the 1.44 A saturation limit when designing power stages. Verify thermal management requirements given the 100 °C maximum operating temperature constraint.
Fixed Inductors Part Context
This part belongs to the CTCDRH4D28F series of shielded power inductors manufactured by Central Technologies. The series offers various inductance values tailored for different power conversion needs. These components are designed for general-purpose use in electronic systems requiring reliable magnetic shielding and surface-mount compatibility.
Fixed Inductors Replacement Considerations
Direct substitutes include other shielded SMD power inductors with similar 390 µH inductance and comparable current ratings. Verify mechanical footprint compatibility and terminal configuration before substitution. Consult manufacturer cross-reference lists for verified equivalent parts.
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