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Product Detailed Parameters
- Description：SMD CER CORE WIRE-WOUND INDUCTOR
- Series：ct0402csf
- Mfr：Central Technologies
- Package：Tape & Reel (TR)
- Type：Multilayer
- Material - Core：-
- Inductance：-
- Tolerance：-
- Current Rating (Amps)：-
- Current - Saturation (Isat)：-
- Shielding：-
- DC Resistance (DCR)：-
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Inductance Frequency - Test：-
- Mounting Type：Surface Mount
- Package / Case：-
- Supplier Device Package：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Features：-
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Overview
The CT0402CSF-2N7J is a fixed wire-wound chip inductor manufactured by Central Technologies, designed for surface-mount applications. It features a ceramic core and operates within a temperature range of -40 °C to 125 °C. The component has a nominal inductance of 2.7 nH with a tolerance of ±5%. Key electrical specifications include a maximum DC resistance of 0.08 Ω, a minimum quality factor of 20 at the nominal inductance, and a self-resonant frequency of 4800 MHz. The device supports a maximum rated current of 0.76 A and utilizes dual-ended terminals.
Feature Summary
- Wire-wound construction on a ceramic core for stable RF performance
- Surface-mount design compatible with standard SMD processes
- Dual-ended terminal configuration for reliable PCB integration
Applications
- RF inductor circuits
- General purpose signal processing
- High-frequency filtering applications
Procurement Notes
Verify RoHS compliance status prior to ordering, as lead-free variants may differ from legacy stock. Confirm that the specific suffix matches the required tolerance code for your circuit design. Ensure the supplier provides official datasheets to validate the 2.7 nH inductance value and 0.76 A current rating against your system requirements.
Selection Notes
Select this component when a low-inductance value near 3 nH is required for high-frequency operation. The 0402 package size suits space-constrained designs. Consider the 0.76 A current rating and 0.08 Ω resistance for power handling needs. Verify thermal stability requirements against the 125 °C maximum operating temperature limit.
Part Context
This part belongs to the CT0402CSF series of general-purpose inductors from Central Technologies. The series offers various inductance values in the 0402 footprint, catering to RF and high-speed digital applications. The CSF designation typically indicates a wire-wound structure with a ceramic core, distinguishing it from multilayer alternatives.
Replacement Considerations
Direct substitutes include other 0402 wire-wound inductors with 2.7 nH nominal inductance and similar current ratings. Cross-reference models such as CT0402CS-2N7J if lead-free compliance is mandatory, noting potential differences in RoHS certification status between manufacturing batches.
