Vishay Telefunken BY269, BY268 Datasheet

Silicon Mesa Rectifiers

g

g

Features

D

Glass passivated junction

D

Hermetically sealed package

Applications

BY268.BY269

Vishay Telefunken

High voltage fast rectifier

Absolute Maximum Ratings

Tj = 25_C

Parameter Test Conditions Type Symbol Value Unit

Peak reverse voltage, non repetitive

Reverse voltage

Peak forward surge current tp=10ms,

half sinewave
Average forward current I
Junction and storage temperature range Tj=T

BY268 V
BY269 V
BY268 V
BY269 V

I

Maximum Thermal Resistance

Tj = 25_C

Parameter Test Conditions Symbol Value Unit

Junction ambient on PC board with spacing 25mm R

thJA

RSM
RSM

R
R

FSM

FAV

stg

94 9539

1600 V
1800 V
1400 V
1600 V

20 A

0.8 A

–65...+175

110 K/W

°

C

Electrical Characteristics

Tj = 25_C

Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=0.4A V
Reverse current

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

Document Number 86005
Rev. 2, 24-Jun-98

VR=1400V BY268 I
VR=1600V BY269 I
VR=1400V, Tj=100°C BY268 I
VR=1600V, Tj=100°C BY269 I

F
R
R
R
R
rr

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1.25 V
1 2
1 2

15
15

400 ns

m
m
m
m

1 (3)

A
A
A
A

BY268.BY269

Vishay Telefunken

Characteristics (Tj = 25_C unless otherwise specified)

120

100

80

60

40

20

0

thJA

0

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

51015 25

l – Lead Length ( mm )94 9090

ll

TL=constant

20

30

Figure 1. Typ. Thermal Resistance vs. Lead Length

1000

100

m

10

Scattering Limit

100

10

1

Tj=25°C

F

0.1

I – Forward Current ( A )

0.01
01 2 3

VF – Forward Voltage ( V )94 9092

Tj=175°C

4

Figure 3. Typ. Forward Current vs. Forward Voltage

12

10

8

6

1

R

I – Reverse Current ( A )

VR=V

RRM

94 9091

0.1
0 40 80 120 160

T

– Junction Temperature ( °C )

j

Figure 2. Reverse Current vs. Junction Temperature

Dimensions in mm

Sintered Glass Case

SOD 57
Weight max. 0.5g

Cathode Identification

200

4

D

C – Diode Capacitance ( pF )

94 9093

f=470 KHz

2

T

=25°C

j

0

0.1 1 10
VR – Reverse Voltage ( V )

100

Figure 4. Typ. Diode Capacitance vs. Reverse Voltage

94 9538

∅ 3.6 max.

technical drawings
according to DIN
specifications

∅ 0.82 max.

26 min. 26 min.

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2 (3)

4.2 max.

Document Number 86005

Rev. 2, 24-Jun-98