MUR820 Datasheet, PDF (2/6 Pages) Motorola, Inc – ULTRAFAST RECTIFIERS 8 AMPERES 200-400-600 VOLTS

MUR820 MUR840 MUR860
100
70
50
30
20
MUR820
1000
100
10
1.0
TJ = 175°C
100°C
25°C
10
7.0
5.0
3.0
2.0
TJ = 175°C
100°C 25°C
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
0.1
0.01
0 20 40 60 80 100 120 140 160 180 200
VR, REVERSE VOLTAGE (VOLTS)
Figure 2. Typical Reverse Current*
* The curves shown are typical for the highest voltage device in the
grouping. Typical reverse current for lower voltage selections can be
estimated from these same curves if VR is sufficiently below rated VR.
10
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
140
dc
SQUARE WAVE
RATED VR APPLIED
150
160
170
180
TC, CASE TEMPERATURE (°C)
Figure 3. Current Derating, Case
14
12
dc
10
R_qJA = 16°C/W
R_qJA = 60°C/W
(NO HEAT SINK)
8.0 SQUARE WAVE
6.0
4.0
dc
2.0 ^{SQUARE WAVE}
0
0 20 40 60 80 100 120 140 160 180 200
TA, AMBIENT TEMPERATURE (°C)
Figure 4. Current Derating, Ambient
10
9.0
TJ = 175°C
8.0
7.0
SQUARE WAVE
6.0
dc
5.0
4.0
3.0
2.0
1.0
0
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 5. Power Dissipation
2
Rectifier Device Data