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[SGeC] IRFP450 High Voltage N-Channel MOSFET 500V-14A-190W

IRF450 Pinout Equivalent

irf450 pinout Picture

IRF450 is a very commonly used N-channel MOSFET, because of its excellent performance is widely used in high-power high-frequency switching circuit, motor drive and protection circuit; Following this article, we will introduce the IRF450 pin function, important basic parameters, and alternative models in detail to help readers better understand and use the device.
IRF450 Basic parameters:
Type: N channel MOSFET;
The maximum voltage is (VDS) : 500V;
The maximum current flowing sustainably is (ID):12A;
The on-resistance is (RDS(on)) : 0.4 ohms;
The on-voltage is (VGS(th)) : 2~4V;
Encapsulation: TO-204AA;
Pin Function Table:

Replacement Product Model List:

Bild	Name	Typ	Vdss	Vgs(th)	Ausweis	Pd	Paket
	IRFP450PBF	N-MOSFET	500 V	4V	14A	190W	TO-247AC-3
	IRFP450-HXY	N-MOSFET	500 V	4V	14A	190W	TO-247S
	RS25N50W	N-MOSFET	500 V	3V	25A	190W	TO-247
	HIRFP450APBF	N-MOSFET	500 V	2V	14A	190W	TO-247S
	STP20NK50ZSTP20NK50Z	N-MOSFET	500 V	4,5 V	17A	190W	TO-220

Precautions for use:

Gate drive voltage: Be careful not to exceed the rated voltage too much, otherwise the MOS will be damaged, up to 20V without damage; In general, we also connect a diode to the grid to prevent reverse breakdown;
Heat dissipation: the power of this MOSFET can be up to 190W, so if the heat dissipation is not done well, there will be a great probability of damage to the entire circuit;
PCB layout: In the design of PCB, it is necessary to consider the parasitic inductance of the grid drive circuit, which can improve the switching speed and reduce the switching loss;