Vishay Telefunken BY203-16S, BY203-12S, BY203-20S Datasheet
Silicon Mesa Rectifiers
g
Features
D
Glass passivated junction
D
Hermetically sealed package
Applications
Fast rectifier and switch for TV–line output circuits and
switch mode power supply
BY203/..S
Vishay Telefunken
94 9539
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage
=Crest working reverse voltage
Average forward current I
Peak forward surge current tp=0.1ms I
Junction and storage
temperature range
BY203/12S V
BY203/16S V
BY203/20S V
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction ambient
l=5mm, TL=constant R
maximum lead length R
RWM
RWM
RWM
FAV
FSM
Tj=T
thJA
thJA
stg
1200 V
1600 V
2000 V
250 mA
20 A
–55...+150
50 K/W
100 K/W
°
C
Document Number 86002
Rev. 2, 24-Jun-98
www.vishay.de • FaxBack +1-408-970-5600
1 (3)
BY203/..S
g
R
m
g
Vishay Telefunken
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=200mA, tp/T=0.01, tp=0.3ms V
Reverse current
VR=700V BY203/12S I
VR=1000V BY203/16S I
VR=1200V BY203/20S I
Breakdown voltage IR=100mA, tp/T=0.01, tp=0.3ms
BY203/12S V
BY203/16S V
BY203/20S V
Reverse recovery
IF=0.5A, IR=1A, iR=0.25A t
time
Characteristics (Tj = 25_C unless otherwise specified)
240
200
°
F
R
R
R
(BR)
(BR)
(BR)
rr
1200 V
1600 V
2000 V
2.4 V
2
m
2
m
2
m
300 ns
A
A
A
160
120
80
j
40
T – Junction Temperature ( C )
0
0 400 800 1200
94 9080
VR,V
BY203/12
BY203/16
– Reverse / Repetitive Peak Reverse
RRM
Volta
e ( V )
V
RRM
V
R
BY203/20
1600
Figure 1. Junction Temperature vs. Reverse/Repetitive
Peak Reverse Voltage
Dimensions in mm
Sintered Glass Case
SOD 57
Weight max. 0.5g
Cathode Identification
∅ 3.6 max.
technical drawings
according to DIN
specifications
94 9538
∅ 0.82 max.
26 min. 26 min.
www.vishay.de • FaxBack +1-408-970-5600
2 (3)
4.2 max.
Document Number 86002
Rev. 2, 24-Jun-98
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