DIOTEC ELECTRONICS CORP.
18020 Hobart Blvd., Unit B
Gardena, CA 90248 U.S.A
Tel.: (310) 767-1052 Fax: (310) 767-7958
Data Sheet No. SESA-401-2C
4 AMP ULTRAFAST RECOVERY DIODES
RATING & CHARACTERISTIC CURVES FOR SERIES UFR400 - UFR410
250
Resistive and Inductive Loads
200
UFR400-404
150
100
UFR406-410
NOTE 1
50
NOTE 2
0
1
10
100
Ambient Temperature, C
FIGURE 1. FORWARD CURRENT DERATING CURVE
o
Number of Cycles at 60 Hz
FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT
100
(1) UFR400-404
(2) UFR406-410
T
J
= 175
(2)
o
C
10
T
J
= 175
(1)
o
C
(2)
(1)
1.0
T
J
= 25
(2)
o
C
0.1
NOTE 4
T
J
= 25
(1)
o
C
(1) UFR400-404
(2) UFR406-410
NOTE 3
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
20
40
60
80
100
120
140
Instantaneous Forward Voltage (Volts)
FIGURE 3. TYPICAL FORWARD CHARACTERISTICS
100
Percent of Rated Peak Reverse Voltage
FIGURE 4. TYPICAL REVERSE CHARACTERISTICS
NOTES
(1) Lead Length = 0.375" (9.5mm)
(2)
(1)
10
(2) JEDEC Method, 8.3 mSec. Single Half Sine Wave
(3) T
J
= 25 C, Pulse Width = 300
m
Sec, 2.0% Duty Cycle
o
(1) UFR400-404
(2) UFR406-410
(4) These Curves Are Typical For The Highest Voltage Diode
in The Voltage Grouping.
0
10
20
30
40
50
Reverse Voltage, (Volts)
C12
FIGURE 5. TYPICAL JUNCTION CAPACITANCE
3.01 ufr400
DEC [ DIOTEC ELECTRONICS CORPORATION ]
