Data Sheet

UF4001 - UF4007 — Fast Rectifiers
© 1999 Fairchild Semiconductor Corporation www.fairchildsemi.com
UF4001 - UF4007 Rev. 1.8 3
Typical Performance Characteristics
Figure 1. Forward Current Derating Curve
Figure 2. Forward Characteristics
Figure 3. Non-Repetitive Surge Current Figure 4. Reverse Characteristics
Figure 5. Typical Junction Capacitance
Figure 6. Reverse Recovery Time Characteristic and Test Circuit Diagram
0 25 50 75 100 125 150 175
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Ambient Temperature [ºC]
Average Rectified Forward Current, I
F
[A]
SINGLE PHASE
HALF WAVE
60HZ
RESISTIVE OR
INDUCTIVE LOAD
.375" (9.00mm) LOAD
LENGTHS
0.2 0.4 0.6 0.8 1 1.2 1.4
0.001
0.01
0.1
1
10
Forward Voltage, V
F
[V]
Forward Current, I
F
[A]
T = 25 C
º
J
Pulse Width = 300
μ
μμ
μ
S
2% Dut y Cycl e
T = 25 C
º
A
UF4001-UF4003 UF4005-UF4007
UF4004
12 51020 50100
0
10
20
30
40
Number of Cycles at 60Hz
Peak Forward Surge Current, I
FSM
[A]
0 20 40 60 80 100 120 140
0.1
1
10
100
1000
Percent of Rated Peak Reverse Voltage [%]
Reverse Current, I
R
[mA]
T = 25 C
º
J
T = 25 C
º
A
T = 125 C
º
A
0.1 0.5 1 2 5 10 20 50 100 500
0
10
20
30
40
50
60
Reverse Voltage, V
R
[V]
Total Capacitance, C
T
[pF]
UF4004-UF4007
UF4001-UF4003
Pulse
Generator
(Note 2)
50
Ω
NONINDUCTIVE
50Ω
NONINDUCTIVE
DUT
(-)
(+)
OSCILLOSCOPE
(Note 1)
50Ω
NONINDUCTIVE
50V
(approx)
NOTES:
1. Rise time = 7.0 ns max; Input impedance = 1.0 megaohm 22 pf.
2. Rise time = 10 ns max; Source impedance = 50 ohms.
1.0cm SET TIME BASE FOR
trr
+0.5A
0
-0.25A
-1.0A
5/ 10 ns/ cm