MR750 SERIES
700
500
600
V
MAY BE APPLIED BETWEEN
EACH CYCLE OF SURGE. THE T
RRM
T = 25°C
J
J
400
300
NOTED IS T PRIOR TO SURGE
J
300
200
MAXIMUM
25°C
TYPICAL
175°C
25°C
200
T = 175°C
J
100
70
100
80
50
60
30
20
1.0
2.0
5.0
10
20
50
100
NUMBER OF CYCLES AT 60 Hz
Figure 2. Maximum Surge Capability
10
7.0
5.0
+0.5
0
3.0
2.0
TYPICAL RANGE
−0.5
−1.0
1.0
0.7
0.5
−1.5
−2.0
0.3
0.2
0.2
0.5
1.0 2.0
5.0
10
20
50 100 200
0.6 0.8
1.0 1.2 1.4 1.6 1.8 2.0 2.2
2.4 2.6
v , INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
F
i , INSTANTANEOUS FORWARD CURRENT (AMP)
F
Figure 3. Forward Voltage Temperature Coefficient
Figure 1. Forward Voltage
20
10
1/2"
3/8"
L
L
1/4"
1/8"
5.0
HEAT SINK
3.0
2.0
Both leads to heat sink, with lengths as shown. Variations in R
ꢁ
J
L
(
t
)
below 2.0 seconds are independent of lead connections of 1/8 inch
or greater, and vary only about 20% from the values shown. Val-
ues for times greater than 2.0 seconds may be obtained by drawing
a curve, with the end point (at 70 seconds) taken from Figure 8, or
calculated from the notes, using the given curves as a guide. Either
1.0
0.5
typical or maximum values may be used. For R
values at pulse
widths less than 0.1 second, the above curve can be extrapolated
ꢁ
J
L
(
t
)
0.3
0.2
down to 10 ꢀs at a continuing slope.
0.1
0.2
0.3
0.5
0.7
1.0
2.0
3.0
5.0
7.0
10
20
30
50 70
t, TIME (SECONDS)
Figure 4. Typical Transient Thermal Resistance
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