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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：2.4 nH
- Tolerance：±10%
- Current Rating (Amps)：-
- Current - Saturation (Isat)：-
- Shielding：-
- DC Resistance (DCR)：70mOhm
- 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-2N4K is a surface-mount wire-wound chip inductor manufactured by Central Technologies. It features a ceramic core and an open construction design. The component provides a nominal inductance of 2.4 nH with a tolerance of ±10%. It has a maximum rated current of 0.76 A and a minimum DC resistance of 70 mΩ. The self-resonant frequency is specified at 5000 MHz, and the minimum quality factor is 30. The device operates within a temperature range of -40 °C to +125 °C.
Feature Summary
- Wire-wound construction on a ceramic core for stable RF performance
- Open structure design suitable for high-frequency applications
- High self-resonant frequency capability up to 5 GHz
Applications
- RF circuits
- High-frequency signal processing
- Impedance matching networks
Procurement Notes
Verify the specific tolerance code suffix (K) matches the required circuit precision. Confirm that the lead-free status aligns with assembly requirements, as datasheets may vary regarding RoHS compliance for this series. Ensure the open-core design does not interfere with adjacent components due to magnetic field exposure.
Selection Notes
Select this component when low inductance values near 2.4 nH are required for RF tuning. The ceramic core offers thermal stability compared to air cores. Consider the 0.76 A current rating against peak circuit loads. The 0402 footprint allows for compact board layouts where space is limited.
Part Context
This part belongs to the CT0402CSF series of wire-wound chip inductors from Central Technologies. The series covers various inductance values from 1.0 nH to higher ranges, all sharing the same 0402 package dimensions. It serves as a specialized passive component for high-speed digital and radio frequency electronics.
Replacement Considerations
Direct substitutes include other 2.4 nH ±10% 0402 wire-wound inductors with similar current ratings. Verify that alternative parts maintain the 5000 MHz self-resonant frequency and 70 mΩ DCR specifications to ensure circuit compatibility.
