BYW51−200
100
70
50
30
20
TJ = 175°C
100°C
10
7.0
25°C
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.1
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage, Per Leg
20
18
16
14
12
10
8.0
dc
6.0
4.0
SQUARE WAVE
2.0
0
140 145 150 155 160 165 170 175 180
TC, CASE TEMPERATURE (°C)
Figure 4. Current Derating, Case, Per Leg
100
100°C
175°C
25°C
10
1.0
0.1
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Figure 2. Maximum Forward Voltage
800
400
200
80
40
TJ = 175°C
20
8.0
4.0
2.0
100°C
0.8
0.4
25°C
0.2
0.08
0.04
0.02
0 20 40 60 80 100 120 140 160 180 200
VR, REVERSE VOLTAGE (VOLTS)
Figure 3. Typical Reverse Current, Per Leg*
* The curves shown are typical for the highest voltage device in the voltage
grouping. Typical reverse current for lower voltage selections can be es
timated from these same curves if VR is sufficiently below rated VR.
20
18
16
14
dc
12
RqJA = 16°C/W
RqJA = 60°C/W
(NO HEATSINK)
10
8.0 SQUARE WAVE
6.0
dc
4.0
2.0 SQUARE WAVE
0
0
25
50
75 100 125 150 175
TA, AMBIENT TEMPERATURE (°C)
Figure 5. Current Derating, Ambient, Per Leg
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