KFC4B21210L

FET, MOSFET Arrays Overview

The KFC4B21210L is a dual N-channel MOSFET with integrated gate resistors, designed for lithium-ion secondary battery protection circuits. It features a CSP (Chip Size Package) and operates within a source-source voltage rating of 12 V. The device exhibits a typical source-source ON resistance of 13 mΩ at VGS = 3.8 V. Absolute maximum ratings include a DC source current of up to 10.4 A and a channel temperature limit of 150 °C. Electrical characteristics specify a breakdown voltage of 12 V and a total gate charge of 9.4 nC under standard test conditions.

FET, MOSFET Arrays Feature Summary

• Dual N-channel configuration with built-in gate resistors
• Optimized for lithium-ion secondary battery protection applications
• Halogen-free and RoHS compliant construction

FET, MOSFET Arrays Applications

• Lithium-ion secondary battery protection circuits

FET, MOSFET Arrays Procurement Notes

Verify the specific package variant and manufacturing date code upon ordering. Confirm compliance requirements such as halogen-free status and RoHS directives match project specifications. Ensure thermal management design aligns with the provided thermal resistance data for the intended PCB copper pad area. Check for any updates in the datasheet revision history before finalizing the bill of materials.

FET, MOSFET Arrays Selection Notes

Select this component when a compact dual MOSFET solution is required for battery management systems. Consider the low on-resistance at various gate voltages for efficiency optimization. Evaluate the CSP package constraints against available board space. Verify that the 12 V voltage rating meets the system's maximum operating requirements.

FET, MOSFET Arrays Part Context

This component belongs to the KFCAB21500L product standards series by Nuvoton Technology Corporation Japan. It is part of a lineup of power switching devices tailored for portable electronics and battery-powered equipment. The device utilizes silicon technology and is manufactured in compliance with JEITA packaging codes.

FET, MOSFET Arrays Replacement Considerations

Consult official documentation for direct substitutes. Cross-referencing requires matching dual N-channel topology, 12 V rating, and CSP package dimensions.