Vishay Telefunken BYW74, BYW73, BYW72, BYW76, BYW75 Datasheet

Fast Silicon Mesa Rectifiers

g

Features

D

Glass passivated junction

D

Hermetically sealed package

D

Low reverse current

D

Soft recovery characteristics

Applications

BYW72...BYW76

Vishay Telefunken

Fast rectifier and switch for example for TV–line output
circuits and switch mode power supply

Absolute Maximum Ratings

Tj = 25_C

Parameter Test Conditions Type Symbol Value Unit

Reverse voltage BYW72 VR=V
=Repetitive peak reverse voltage

BYW73 VR=V
BYW74 VR=V
BYW75 VR=V
BYW76 VR=V

Peak forward surge current tp=10ms,

I

half sinewave
Repetitive peak forward current I
Average forward current

T

amb

x45°

C

I

Junction and storage temperature range Tj=T

Maximum Thermal Resistance

Tj = 25_C

Parameter Test Conditions Symbol Value Unit

Junction ambient l=10mm, TL=constant R

on PC board with spacing 37.5mm R

thJA
thJA

FSM

FRM

FAV

RRM
RRM
RRM
RRM
RRM

stg

94 9588

200 V
300 V
400 V
500 V
600 V
100 A

15 A

3 A

–65...+175

25 K/W
70 K/W

°

C

Electrical Characteristics

Tj = 25_C

Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=3A V
Reverse current VR=V

Reverse recovery time IF=0.5A, IR=1A, iR=0.25A t

Document Number 86050
Rev. 2, 24-Jun-98

VR=V

RRM

, Tj=150°C I

RRM

F

I

R
R
rr

www.vishay.de • FaxBack [phone]

0.95 1.1 V
1 5

60 150

m
m

200 ns

A
A

1 (4)

BYW72...BYW76

Vishay Telefunken

Characteristics (Tj = 25_C unless otherwise specified)

40

30

20

ll

10

TL=constant

0

thJA

R – Therm. Resist. Junction / Ambient ( K/W )

94 9548

0 5 10 15 25

20

l – Lead Length ( mm )

30

Figure 1. Max. Thermal Resistance vs. Lead Length

2.0

1.6

1.2

0.8
fv20kHz

0.4

R

=70K/W

FAV

I – Average Forward Current ( A )

thJA

PCB

0

0

40 80 120 160

T

– Ambient Temperature ( °C )94 9468

amb

200

Figure 2. Max. Average Forward Current vs.

Ambient Temperature

1000

Scattering Limit

100

m

10

1

R

I – Reverse Current ( A )

VR=V

RRM

200

94 9469

0.1
0 40 80 120 160

T

– Junction Temperature ( °C )

j

Figure 4. Reverse Current vs. Junction Temperature

100

Tj=175°C

10

1

F

0.1

I – Forward Current ( A )

Tj=25°C

0.01

3.0

94 9472

0 0.6 1.2 1.8 2.4

VF – Forward Voltage ( V )

Figure 5. Max. Forward Current vs. Forward Voltage

4

3

2

fv20kHz

1

R

=25K/W

FAV

I – Average Forward Current ( A )

thJA

L=10mm

0

0

40 80 120 160

T

– Ambient Temperature ( °C )94 9471

amb

Figure 3. Max. Average Forward Current vs.

Ambient Temperature

www.vishay.de • FaxBack [phone]
2 (4)

200

80

60

40

20

D

C – Diode Capacitance ( pF )

f=470kHz

T

=25°C

j

0

100

94 9470

0.1 1 10
VR – Reverse Voltage ( V )

Figure 6. Typ. Diode Capacitance vs. Reverse Voltage

Document Number 86050

Rev. 2, 24-Jun-98