Vishay Telefunken BY228 Datasheet

Silicon Mesa Rectifier

Features

D

Glass passivated junction

D

Hermetically sealed package

Applications

High voltage rectifier
Efficiency diode in horizontal deflection circuits

BY228

Vishay Telefunken

94 9588

Absolute Maximum Ratings

Tj = 25_C

Parameter Test Conditions Type Symbol Value Unit

Reverse voltage
=Repetitive peak reverse voltage

Peak forward surge current tp=10ms,

half sinewave
Average forward current I
Junction temperature T
Storage temperature range T

VR=V

Maximum Thermal Resistance

Tj = 25_C

Parameter Test Conditions Symbol Value Unit

Junction ambient on PC board with spacing 37.5mm R

Electrical Characteristics

Tj = 25_C

I

FSM

FAV

thJA

stg

RRM

j

1500 V

50 A

3 A

140

–55...+150

70 K/W

°

C

°

C

Parameter Test Conditions Symbol Min Typ Max Unit
Forward voltage IF=5A V
Reverse current

Total reverse recovery time IF=1A, –diF/dt=0.05A/ms t

Document Number 86003
Rev. 2, 24-Jun-98

VR=1500V I
VR=1500V, Tj=140°C I

F
R
R
rr

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1.5 V

2 5

140

20

m
m

m

1 (3)

A
A

s

BY228

Vishay Telefunken

Characteristics (Tj = 25_C unless otherwise specified)

40

30

thJA

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

94 9081

20

10

0

0 5 10 15 25

l – Lead Length ( mm )

ll

TL=constant

20

30

Figure 1. Typ. Thermal Resistance vs. Lead Length

1000

100

m

10

Scattering Limit

100

Tj=25°C

10

Scattering Limit

1

F

0.1

I – Forward Current ( A )

0.01
0 0.6 1.2 1.8 2.4

94 9083

VF – Forward Voltage ( V )

Figure 3. Forward Current vs. Forward Voltage

3.0

1

R

I – Reverse Current ( A )

VR=V

RRM

94 9082

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 64
Weight max. 1.0g

26 min. 26 min.

Cathode Identification

200

4.2 max.

∅ 4.3 max.

technical drawings
according to DIN
specifications

∅ 1.35 max.

94 9587

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2 (3)

Document Number 86003

Rev. 2, 24-Jun-98