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BY268_05 Datasheet, PDF (2/5 Pages) Vishay Siliconix – Fast Avalanche Sinterglass Diode
BY268 / BY269
Vishay Semiconductors
Electrical Characteristics
Tamb = 25 °C, unless otherwise specified
Parameter
Test condition
Part
Symbol
Min
Typ.
Max
Unit
Forward voltage
Reverse current
Reverse recovery time
IF = 0.4 A
VF
VR = 1400 V
BY268
IR
VR = 1600 V
BY269
IR
VR = 1400 V, Tj = 100 °C
BY268
IR
VR = 1600 V, Tj = 100 °C
BY269
IR
IF = 0.5 A, IR = 1 A, iR = 0.25 A
trr
1.25
V
1
2
µA
1
2
µA
15
µA
15
µA
400
ns
Typical Characteristics (Tamb = 25 °C unless otherwise specified)
120
100
80
60
l
l
40
20
0
0
94 9090
TL= constant
5 10 15 20 25 30
l – Lead Length ( mm )
Figure 1. Typ. Thermal Resistance vs. Lead Length
0.9
RthJA = 45 K/W
0.8
l=10mm
0.7
0.6
0.5
0.4 RthJA=100 K/W
PCB: d = 25 mm
0.3
0.2
0.1
0.0
0
VR = VRRM
half sinewave
20 40 60 80
100 120 140 160 180
16413
Tamb - Ambient Temperature ( ° C )
Figure 3. Max. Average Forward Current vs. Ambient Temperature
10
1
Tj =175°C
0.1
Tj = 25°C
0.01
0.001
0.0
16412
0.5 1.0 1.5 2.0 2.5
VF - Forward V oltage ( V )
Figure 2. Forward Current vs. Forward Voltage
1000
VR = VRRM
100
10
16414
1
25
50 75 100 125 150 175
Tj - Junction T emperature ( °C )
Figure 4. Reverse Current vs. Junction Temperature
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2
Document Number 86005
Rev. 1.6, 13-Apr-05