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Jan. 2017. Rev. 3.0

1/6

SW18N50D

Absolute maximum ratings

Symbol

Parameter

Value

Unit

TO-220F

TO-247

V

DSS

Drain to source voltage

500

V

I

D

Continuous drain current (@T

18*

A

Continuous drain current (@T

11*

A

I

DM

Drain current pulsed

(note 1)

72

A

V

GS

Gate to source voltage

± 30

V

E

AS

Single pulsed avalanche energy

(note 2)

991

mJ

E

AR

Repetitive avalanche energy

(note 1)

52

mJ

dv/dt

Peak diode recovery dv/dt

(note 3)

5

V/ns

P

D

Total power dissipation (@T

43

312.5

W

0.34

2.5

T

Operating junction temperature & storage temperature

-55 ~ + 150

T

L

Maximum lead temperature for soldering

purpose, 1/8 from case for 5 seconds.

300

Thermal characteristics

Symbol

Parameter

Value

Unit

TO-220F

TO-247

R

thjc

Thermal resistance, Junction to case

2.9

0.4

R

thja

Thermal resistance, Junction to ambient

48

38

*. Drain current is limited by junction temperature.

1. Gate 2. Drain 3. Source

Order Codes

Item

Sales Type

Marking

Package

Packaging

1

SW F 18N50D

SW18N50D

TO-220F

TUBE

2

SW T 18N50D

SW18N50D

TO-247

TUBE

N-channel Enhanced mode TO-220F /TO-247 MOSFET

Features

 High ruggedness

 Low R

 Low Gate Charge (Typ 88nC)

 Improved dv/dt Capability

 100% Avalanche Tested

 Application: LED , Charge, PC Power

General Description

This power MOSFET is produced with advanced technology of SAMWIN.

This technology enable the power MOSFET to have better characteristics, including fast

switching time, low on resistance, low gate charge and especially excellent avalanche

characteristics.

BV

I

D

: 18A

R

1

2

3

TO-220F

1

2

3

TO-247

1

2

3