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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-2N4J is a fixed inductor manufactured by Central Technologies, designed for surface-mount applications. It features a ceramic core and wire-wound construction within a standard 0402 package. The component has a nominal inductance of 2.4 nH with a tolerance of ±5%. It exhibits a DC resistance of 1.87 Ohms and an operating temperature range from -40°C to 125°C. The self-resonant frequency is specified at 1.3 GHz, classifying it as an RF inductor suitable for high-frequency circuit integration.
Feature Summary
- Wire-wound construction on a ceramic core for stable inductance
- Surface-mount design compatible with automated assembly processes
- Optimized for radio frequency signal handling
Applications
- RF circuits
- High-frequency signal processing
- General purpose inductive filtering
Procurement Notes
Verify the specific datasheet version for the CT0402CSF-2N4J to confirm exact electrical tolerances and thermal ratings prior to integration. Ensure that the 0402 footprint dimensions align with the target PCB layout constraints. Confirm RoHS compliance status through official manufacturer documentation to meet regulatory requirements for the intended market.
Selection Notes
Select this component when a low-value inductance near 2.4 nH is required in a compact 0402 form factor. The ceramic core provides stability, while the wire-wound structure supports the necessary current handling for RF paths. Consider the 1.87 Ohm DC resistance impact on series impedance and the 1.3 GHz self-resonant limit for frequency-specific designs.
Part Context
This part belongs to the CT0402CSF series of fixed inductors from Central Technologies. The series utilizes a ceramic core and wire-wound technology to achieve precise inductance values in small surface-mount packages. These components are engineered for reliability in consumer electronics and communication devices requiring consistent performance across varying temperatures.
Replacement Considerations
Cross-reference with other 0402 ceramic-core wire-wound inductors offering 2.4 nH ±5% tolerance. Verify compatibility regarding DC resistance, self-resonant frequency, and physical footprint dimensions to ensure seamless substitution without redesigning the surrounding circuitry.
