VISHAY BUD742 User Manual

查询BUD742供应商

Silicon NPN High Voltage Switching Transistor

Features

D

Simple-sWitch-Off Transistor (SWOT)

D

HIGH SPEED technology

D

Planar passivation

D

100 kHz switching rate

D

Very low switching losses

Applications

Electronic lamp ballast circuits
Switch-mode power supplies

D

Very low dynamic saturation

D

Very low operating temperature

D

Optimized RBSOA

D

High reverse voltage

BUD742

Vishay Telefunken

1

1

2

3

BUD742 1 Base 2 Collector 3 Emitter

94 8964

BUD742 –SMD 1 Base 2 Collector 3 Emitter

Absolute Maximum Ratings

T

= 25°C, unless otherwise specified

case

Parameter Test Conditions Symbol Value Unit

Collector-emitter voltage V

V

Emitter-base voltage V
Collector current I
Collector peak current I
Base current I
Base peak current I
Total power dissipation T
Junction temperature T
Storage temperature range T

≤ 25°C P

case

V

3

CEO

CEW

CES
EBO

C

CM

B

BM

tot

j

stg

2

94 8965

400 V
550 V
900 V

11 V

5 A

7.5 A

2.5 A
4 A

40 W

150

–65 to +150

°

C

°

C

Document Number 86532
Rev. 1, 20–Jan–99

www.vishay.de • FaxBack [phone]

1 (9)

BUD742

g

yg

Vishay Telefunken

Maximum Thermal Resistance

T

= 25°C, unless otherwise specified

case

Parameter Test Conditions Symbol Value Unit

Junction case R

Electrical Characteristics

T

= 25°C, unless otherwise specified

case

Parameter Test Conditions Symbol Min Typ Max Unit

Collector cut-off current VCE = 900 V I

VCE = 900 V; T

Collector-emitter
breakdown voltage (figure 1)

Emitter-base

IC = 500 mA; L = 125 mH;
I

measure

= 100 mA

IE = 1 mA V

breakdown voltage
Collector-emitter IC = 0.8 A; IB = 0.2 A V

saturation voltage

IC = 2.5 A; IB = 0.8 A V

Base-emitter saturation voltage IC = 0.8 A; IB = 0.2 A V

IC = 2.5 A; IB = 0.8 A V

DC forward current VCE = 2 V; IC = 10 mA h
transfer ratio

VCE = 2 V; IC = 0.8 A h
VCE = 2 V; IC = 2.5 A h
VCE = 2 V; IC = 5 A h

Collector-emitter
working voltage

VS = 50 V; L = 1 mH; IC = 2.5 A;
I

= 0.5 A; –IB2 = 0.5 A;

B1

–V

BE(off)

= 5 V

Dynamic saturation voltage IC = 2.5 A; IB = 0.5 A; t = 1 ms V

IC = 2.5 A; IB = 0.5 A; t = 3 ms V

Gain bandwidth product IC = 200 mA; VCE = 10 V;

f = 1 MHz

= 150°C I

case

V

(BR)CEO

(BR)EBO

V

CEsatdyn
CEsatdyn

thJC

CES
CES

CEsat
CEsat
BEsat
BEsat

FE
FE
FE
FE

CEW

f

T

3.12 K/W

10

200

m
m

400 V

11 V

0.2 V

0.4 V
1 V

1.2 V

15
15

7
4

500 V

7 12 V

1.5 3 V

4 MHz

A
A

www.vishay.de • FaxBack [phone]
2 (9)

Document Number 86532

Rev. 1, 20–Jan–99

BUD742

C B

C B1

C B B2

C B1 B2

Vishay Telefunken

Switching Characteristics

T

= 25°C, unless otherwise specified

case

Parameter Test Conditions Symbol Min Typ Max Unit
Resistive load (figure 2)
Turn on time IC = 0.8 A; IB = 0.2 A; t
Storage time

–IB2 = 0.4 A; VS = 250 V

Fall time t
Turn on time IC = 2.5 A; IB1 = 0.5 A; t
Storage time

–IB2 = 1.3 A; VS = 250 V

Fall time t
Inductive load (figure 3)
Storage time IC = 0.8 A; IB = 0.2 A; –IB2 = 0.4 A; t

V

Fall time

= 300 V; L = 200 mH

clamp

Storage time IC = 2.5 A; IB1 = 0.5 A; –IB2 = 1.3 A; t

V

Fall time

= 300 V; L = 200 mH

clamp

on

t

on

t

t

t

s

f

s

f

s

f

s

f

0.1 0.2

1.5 2

0.2 0.3

0.3 0.4
1 1.3

0.1 0.15

1.5 2

0.15 0.2
1 1.3

0.05 0.1

m

s

m

s

m

s

m

s

m

s

m

s

m

s

m

s

m

s

m

s

94 8863

3 Pulses

t

p

+

T
tp+

V

S2

0.1
10 ms

+

10 V

I

IBw

C

5

ICL

VS1+

0to30V

I

(BR)R

Figure 1. Test circuit for V

V

(BR)CEO

C

+

100 m

(BR)CE0

I

C

I

measure

V

CE

V

(BR)CEO

W

Document Number 86532
Rev. 1, 20–Jan–99

www.vishay.de • FaxBack [phone]

3 (9)