RATINGS AND CHARACTERISTIC CURVES MR820 THRU MR828
FIG . 1 -REVERSE RECOVERY TIME CHARACTERISTIC
NONINDUCTIVE
AND TEST CIRCUIT DIAGRAM
+0.5A
50
NONINDUCTIVE
(-)
PULSE
GENERATOR
( NOTE 2 )
10
trr
(+ )
25Vdc
(approx)
(-)
DUT
0
-0.25A
NONINDUCTIVE
OSCILLOSCOPE
(NOTE 1 )
(+)
NOTES: 1 . RISE TIME = 7nsmax. INPUT
IMPEDANCE= 1 MEGOHM 22pf
2 . RISE
TIME = 10ns max. SOURSE
IMPEDANCE = 50ohmsf
-1.0A
1cm
SET TIME BASE FOR
5/ 20ns / cm
FIG . 2 MAXIMUM CURRENT DERATING CURVE
SINGLE PHASE HALF
WAVE 60Hz
RESISTIVE OR
INDUCTIVE LOAD
FIG .3 MAXIMUM FORWARD SURGE
NUMBER OF CYCLES
PEAK FORWARD SURGE CURRENT
AMPERES
6.0
Io-AVERAGE RECTIFIED
CURRENT (A)
5.0
4.0
300
8.3 ms Single Half Sine
Wave
200
2.0
100
0
0
20 40 60 80 100 120
140
160 180 200
T
A
.AMBIENT TRMPERATURE (
o
C)
1
10
NO OF CYCLES AT 60 HZ
50
100
FIG .4 TYPICAL JREVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
10
INSTANTANEOUS FORWARD
CURRENT AMPERES
Tj=100 C
o
FIG .5 TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
1
10
Tj=25 C
PULSE WIDTH=300us
1%DUTY CYCLE
o
0.1
Tj=50 C
o
1
Tj=25 C
o
0.01
0
20
40
60
80
100
120
140
0.1
0.6
0.8
1.0
1.2 1.4
1.6
1.8
2.0
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
DAESAN [ DAESAN ELECTRONICS CORP. ]
