IRFW634B

更新时间： 2024-11-05 22:14:39

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
9页	651K
描述
250V N-Channel MOSFET

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IRFW634B 数据手册

November 2001

IRFW634B / IRFI634B

250V N-Channel MOSFET

General Description

Features

These N-Channel enhancement mode power field effect

transistors are produced using Fairchild’s proprietary,

planar, DMOS technology.

This advanced technology has been especially tailored to

minimize on-state resistance, provide superior switching

performance, and withstand high energy pulse in the

avalanche and commutation mode. These devices are well

suited for high efficiency switching DC/DC converter and

switch mode power supplies.

•

8.1A, 250V, R

= 0.45Ω @V = 10 V

DS(on) GS

Low gate charge ( typical 29 nC)

Low Crss ( typical 20 pF)

Fast switching

100% avalanche tested

Improved dv/dt capability

●

◀

▲

●

D²-PAK

IRFW Series

I²-PAK

IRFI Series

G D S

Absolute Maximum Ratings

T = 25°C unless otherwise noted

Symbol

Parameter

IRFW634B / IRFI634B

Units

Drain-Source Voltage

250

8.1

DSS

- Continuous (T = 25°C)

Drain Current

- Continuous (T = 100°C)

5.1

(Note 1)

Drain Current

- Pulsed

32.4

± 30

200

Gate-Source Voltage

GSS

(Note 2)

(Note 1)

(Note 3)

Single Pulsed Avalanche Energy

Avalanche Current

8.1

Repetitive Avalanche Energy

Peak Diode Recovery dv/dt

7.4

V/ns

dv/dt

5.5

Power Dissipation (T = 25°C) *

3.13

Power Dissipation (T = 25°C)

- Derate above 25°C

Operating and Storage Temperature Range

0.59

-55 to +150

W/°C

°C

T , T

stg

Maximum lead temperature for soldering purposes,

300

°C

1/8" from case for 5 seconds

Thermal Characteristics

Symbol

Parameter

Typ

Max

1.69

Units

°C/W

Thermal Resistance, Junction-to-Case

Thermal Resistance, Junction-to-Ambient *

Thermal Resistance, Junction-to-Ambient

θJC

θJA

62.5

* When mounted on the minimum pad size recommended (PCB Mount)

Rev. B, November 2001

12 3 4 5 6 7...9

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