RATING AND CHARACTERISTIC CURVES ( 1N4933 - 1N4937 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
Trr
50W
10 W
+ 0.5 A
D.U.T.
0
PULSE
GENERATOR
( NOTE 2 )
+
50 Vdc
(approx.)
- 0.25 A
OSCILLOSCOPE
( NOTE 1 )
1 W
- 1.0 A
SET TIME BASE FOR 50/100 ns/cm
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
1 cm
FIG.2 - DERATING CURVE FOR OUTPUT
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
RECTIFIED CURRENT
30
1.0
0.8
8.3 ms SINGLE HALF SINE WAVE
°
Ta = 50
C
24
18
12
0.6
0.4
0.2
0
6
60Hz RESISTIVE OR INDUCTIVE LOAD
25 50 75 100 125
0
0
150
175
1
2
4
6
10
20
40
60 100
NUMBER OF CYCLES AT 60Hz
AMBIENT TEMPERATURE, ( C)
°
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
20
10
10
Pulse Width = 300 ms
2% Duty Cycle
°
TJ = 100
C
°
TJ = 25
C
1.0
1.0
0.1
0.1
°
TJ = 25
C
0.01
0.01
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
40
60
80
100
120
140
20
FORWARD VOLTAGE, VOLTS
PERCENT OF RATED REVERSE
VOLTAGE, (%)
Page 2 of 2
Rev. 01 : January 10, 2004
SYNSEMI [ SYNSEMI, INC. ]
