MR750 查看數據表（PDF） - ON Semiconductor
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MR750 Datasheet PDF : 7 Pages
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MR750 SERIES
700
500
TJ = 25°C
300
200
TYPICAL
100
70
50
30
20
MAXIMUM
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
vF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
Figure 1. Forward Voltage
600
VRRM MAY BE APPLIED BETWEEN
400
EACH CYCLE OF SURGE. THE TJ
NOTED IS TJ PRIOR TO SURGE
300
25°C
200
175°C
25°C
TJ = 175°C
100
80
60
1.0 2.0
5.0
10
20
50
100
NUMBER OF CYCLES AT 60 Hz
Figure 2. Maximum Surge Capability
+0.5
0
−0.5
TYPICAL RANGE
−1.0
−1.5
−2.0
0.2
0.5 1.0 2.0 5.0 10 20 50 100 200
iF, INSTANTANEOUS FORWARD CURRENT (AMP)
Figure 3. Forward Voltage Temperature Coefficient
20
10
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
L
L
HEAT SINK
1/2"
3/8"
1/4"
1/8"
Both leads to heat sink, with lengths as shown. Variations in RqJL(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
typical or maximum values may be used. For RqJL(t) values at pulse
widths less than 0.1 second, the above curve can be extrapolated
down to 10 ms at a continuing slope.
0.2 0.3
0.5 0.7 1.0
2.0
3.0
t, TIME (SECONDS)
5.0 7.0 10
20
30
50 70
Figure 4. Typical Transient Thermal Resistance
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