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BYW178_10 Datasheet, PDF (2/4 Pages) Vishay Siliconix – Ultra Fast Avalanche Sinterglass Diode
BYW178
Vishay Semiconductors
Ultra Fast Avalanche Sinterglass
Diode
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
40
30
20
l
l
10
0
0
94 9570
TL = constant
5
10
15
20
25
30
I - Lead Length (mm)
Fig. 1 - Typ. Thermal Resistance vs. Lead Length
3.5
VR = VRRM
3.0
half sinewave
RthJA ≤ 25 K/W
2.5
l = 10mm
2.0
1.5
1.0
0.5
RthJA ≤ 70 K/W
PCB: d = 25 mm
0.0
0
16459
20 40 60 80 100 120 140 160 180
Tamb – Ambient Temperature (°C )
Fig. 4 - Max. Average Forward Current vs. Ambient Temperature
5
dIF/dt = 50A/μs
4
3
2
1
0
0.1
1
10
94 9571
IF – Forward Current ( A )
Fig. 2 - Typ. Reverse Recovery Current vs. Forward Current
1000
VR = VRRM
100
10
16460
1
25
50 75 100 125 150 175
Tj – Junction Temperature ( °C )
Fig. 5 - Reverse Current vs. Junction Temperature
100.000
10.000 Tj = 175°C
1.000
0.100
T j = 25 °C
0.010
0.001
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
16458
VF – Forward Voltage ( V )
Fig. 3 - Forward Current vs. Forward Voltage
400
350
VR = VRRM
300
250
PR–Limit
@100 % VR
200
150
PR–Limit
100
@ 80 % VR
50
16461
0
25
50 75 100 125 150 175
Tj – Junction Temperature (°C )
Fig. 6 - Max Reverse Power Dissipation vs. Junction Temperature
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For technical questions within your region, please contact one of the following: Document Number: 86047
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Rev. 1.7, 04-Aug-10