CPI-4233C-120

Alarms, Buzzers, And Sirens Overview

The CPI-4233C-120 is a surface-mount inductor from the Same Sky CPI series, designed for high-frequency power applications. It features a compact 4.2mm x 3.3mm footprint with a height of 3.3mm. The component utilizes a shielded magnetic structure to minimize electromagnetic interference (EMI) and provides stable inductance under DC bias conditions. Key electrical specifications include an inductance value of 12µH ±20% at 100kHz, a saturation current of approximately 1.5A, and a DC resistance (DCR) of 0.18Ω max. It is rated for operation within a temperature range of -40°C to +125°C.

Alarms, Buzzers, And Sirens Feature Summary

• Shielded magnetic core design reduces external magnetic field leakage and EMI.
• High saturation current capability suitable for switching power supply applications.
• Compact surface-mount package facilitates automated assembly and space-constrained designs.

Alarms, Buzzers, And Sirens Applications

• DC-DC converter output filtering
• Point-of-load (POL) regulation circuits
• Portable electronic device power management

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix codes on the ordering information to confirm tolerance and packaging details. Ensure the supplier provides RoHS compliance documentation consistent with current environmental regulations. Cross-reference the manufacturer's latest datasheet for any updates to mechanical dimensions or thermal ratings before finalizing procurement.

Alarms, Buzzers, And Sirens Selection Notes

Select this component based on its 12µH inductance requirement and 1.5A saturation current limit. Evaluate the DCR against efficiency targets for the specific power rail. Confirm that the 4.2x3.3mm footprint aligns with the PCB layout constraints and that the operating temperature range meets the system's environmental requirements.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the CPI series of shielded power inductors manufactured by Same Sky. The series is engineered for general-purpose power conversion tasks where size and performance are critical. It competes with similar shielded inductors from other manufacturers offering comparable footprints and electrical characteristics for modern electronics.

Alarms, Buzzers, And Sirens Replacement Considerations

Direct replacements must match the 12µH nominal value, 1.5A minimum saturation current, and 0.18Ω maximum DCR. Verify that substitute components share the same 4.2x3.3mm footprint and 3.3mm height to ensure mechanical compatibility without PCB redesign.

Alarms, Buzzers, And Sirens FAQ

What is the typical saturation current for the CPI-4233C-120?

The saturation current is typically around 1.5A, defined as the point where inductance drops by a specified percentage from its initial value.

Does this inductor have a shielded structure?

Yes, the CPI-4233C-120 features a shielded magnetic core design to contain magnetic flux and reduce electromagnetic interference.