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This Digital Audio HEXFET® is specifically designed for Class-D audio amplifier applications. This MosFET utilizes the latest processing techniques to achieve low on-resistance per silicon area. Furthermore, Gate charge, body-diode reverse recovery and internal Gate resistance are optimized to improve key Class-D audio amplifier performance factors such as efficiency, THD and EMI. Additional features of this MosFET are 175 operating junction temperature and repetitive avalanche capability. These features combine to make this MosFET a highly efficient, robust and reliable device for Class-D audio amplifier applications.
IRLR4343PBF Maximum Ratings
Parameter
Max.
Units
VDS
Drain-to-Source Voltage
55
V
VGS
Gate-to-Source Voltage
±20
ID @ TC = 25
Continuous Drain Current, VGS @ 10V
26
A
ID @ TC = 100
Continuous Drain Current, VGS @ 10V
19
IDM
Pulsed Drain Current
80
PD @TC = 25
Power Dissipation
79
W
PD @TC = 100
Power Dissipation
39
Linear Derating Factor
0.53
W/
TJ TSTG
Operating Junction and Storage Temperature Range
-40 to + 175
Clamping Pressure
N
Repetitive rating; pulse width limited by max. junction temperature. Contact factory for mounting information
IRLR4343PBF Features
` Advanced Process Technology `Key Parameters Optimized for Class-D Audio Amplifier Applications ` Low RDSON for Improved Efficiency ` Low Qg and Qsw for Better THD and Improved Efficiency ` Low Qrr for Better THD and Lower EMI ` 175 Operating Junction Temperature for Ruggedness ` Repetitive Avalanche Capability for Robustness and Reliability ` Multiple Package Options ` Lead-Free