KNY3403B MOSFET Datasheet & Specifications

N-Channel DFN-8(5x6) Logic-Level KIA Semicon Tech
Vds Max
30V
Id Max
85A
Rds(on)
5.5mΩ@10V
Vgs(th)
2.5V

Quick Reference

The KNY3403B is an N-Channel MOSFET in a DFN-8(5x6) package, manufactured by KIA Semicon Tech. It supports a drain-source breakdown voltage of 30V and a continuous drain current of 85A. It is widely used in switching and power applications.

Technical Specifications

ParameterValueDescription
ManufacturerKIA Semicon TechOriginal Manufacturer
PackageDFN-8(5x6)Physical mounting
Transistor TypeMOSFETMetal-Oxide-Semiconductor FET
CategorySingleConfiguration
Drain-Source Voltage (Vds)30VMax breakdown voltage
Continuous Drain Current (Id)85AMax current handling
Power Dissipation (Pd)71WMax thermal limit
On-Resistance (Rds(on))5.5mΩ@10VResistance when turned fully on
Gate Threshold (Vgs(th))2.5VVoltage required to turn on
Gate Charge (Qg)47nC@10VSwitching energy
Input Capacitance (Ciss)2.2nFInternal gate capacitance
Output Capacitance (Coss)270pFInternal output capacitance
Operating Temp-55℃~+150℃Safe junction temperature range

Equivalent MOSFETs & Alternatives

PartTypePackageVdsIdRds(on)Vgs(th)Manufacturer / Datasheet
CMSA011N03 N-Channel DFN-8(5x6) 30V 185A 0.96mΩ@10V 2V
DON220N03T N-Channel DFN-8(5x6) 30V 220A 1.2mΩ@10V 2V
DOINGTER 📄 PDF
DON210N03T N-Channel DFN-8(5x6) 30V 210A 1.3mΩ@10V 2.5V
DOINGTER 📄 PDF
TPH1R403NL N-Channel DFN-8(5x6) 30V 150A 2.1mΩ@4.5V 2.3V
TOSHIBA 📄 PDF
L1Q(M N-Channel DFN-8(5x6) 30V 120A 3.3mΩ@10V
7.5mΩ@4.5V
3V
CMSA150N03L N-Channel DFN-8(5x6) 30V 85A 5mΩ@4.5V 1.9V
JSMSEMI 📄 PDF
JSM6764 N-Channel DFN-8(5x6) 40V 120A 10.5mΩ@10V 2.4V
AON6236 N-Channel DFN-8(5x6) 60V 200A 2.3mΩ 2.5V
Tokmas 📄 PDF
CSD18540Q5B(TOKMAS) N-Channel DFN-8(5x6) 65V 130A 2.3mΩ@10V 1.6V
luJing 📄 PDF
PDC6974X-5 N-Channel DFN-8(5x6) 100V 100A 2.9mΩ@10V 2.2V
AONS66917 N-Channel DFN-8(5x6) 100V 100A 3mΩ@10V
4.3mΩ@4.5V
1.8V
Huixin 📄 PDF
H100N10FB N-Channel DFN-8(5x6) 100V 90A 7mΩ@10V 3V