
Overcurrent Cycles
P
F
(
Ambient Temperature   Ta (
°
C)
Forward Voltage   V
F 
(V)
F
F
(
Overcurrent Cycles
P
F
(
Ambient Temperature   Ta (
°
C)
Forward Voltage   V
F 
(V)
F
F
(
Overcurrent Cycles
P
F
(
Ambient Temperature   Ta (
°
C)
Forward Voltage   V
F 
(V)
F
F
(
Overcurrent Cycles
P
F
(
Ambient Temperature   Ta (
°
C)
Forward Voltage   V
F 
(V)
F
F
(
Overcurrent Cycles
P
F
(
Characteristic Curves
Fast-Recovery Rectifier Diodes
58
 1
I
FMS
   Rating
 5
 50
 10
20ms
0
25
5
10
15
20
0
25
50
75
100
125
150
0
0.5
1.0
1.5
2.0
L=10mm
L=10mm
P. C. B.
180 
 100 
 1.6t
10mm
Copper Foil
RU3,RU3A,RU3C,
RU3B
0.2
0.4
0.6
0.8
1.0
1.2
1.4
T  
a
  =
°
C
    50
°
C
    25
°
C
V
F
—
I
F
  Characteristics
(Typical)
RU 3
 series
1
10
0.1
0.01
0.001
Ta
—
I
F (AV)  
Derating
0
25
50
75
100
125
150
0
0.5
0.1
1.5
2.0
L=10mm
L=10mm
P.C.B
180 
 100 
 1.6t
10mm
Copper Foil
0.3
0.5 
0.7
0.9
1.1
 0.1
V
F
—
I
F
  Characteristics
(Typical)
T  
a
  =
°
C
    100
°
C
    60
°
C
    25
°
C
01
I
FMS
   Rating
 5
 50
 10
50
40
20ms
30
20
10
RU 3M
 series
Ta
—
I
F (AV)  
Derating
1
10
20
0.1
0.01
0.001
0
25
50
75
100
125
150
0
0.5
1.0
1.5
2.0
L=10mm
L=10mm
P.C.B
180 
 100 
 1.6t
10mm
Copper Foil
0.3
0.5 
0.7
0.9
 0.1
T  
a
  =
°
C
    100
°
C
    50
°
C
    25
°
C
V
F
—
I
F
  Characteristics
(Typical)
01
I
FMS
   Rating
 5
 50
 10
50
40
20ms
30
20
10
RU 3YX
1
10
0.1
0.01
0.001
Ta
—
I
F (AV)  
Derating
0
25
50
75
100
125
150
0
1.0
2.0
2.5
3.0
3.5
0 1
I
FMS
   Rating
 5
 50
 10
200
80
40
20ms
120
160
0.3
0.5 
0.7
0.9
 0.1
1.0
1.2
T  
a
  =
°
C
    100
°
C
    60
°
C
    25
°
C
V
F
—
I
F
  Characteristics
(Typical)
1.5
0.5
60
Wthou Heasnk
180
140
100
60
20
RU 30
RU 30A
WhHasn
5mm
20
 20
 1tCu
5mm
RU 30
 series
1
50
0.1
0.01
0.001
10
Ta
—
I
F (AV)  
Derating
RU 30Y
RU 30
RU 30A
RU 30Y
0
30
60
90
120
150
 1
I
FMS
   Rating
 5
 50
 10
20ms
RU 31, 31A
DC
t/T=1/3
, 
Sinewave
t
T
Tj=150
°
C
0
1
2
3
4
5
F
F
(
0
0.5
1
1.5
2
3
2.5
Average Forward Current    I
F(AV) 
(A)
I
F(AV)
—
P
F
  Characteristics
t/T=1/6
t/T=1/2
DC
t/T=1/3
, 
Sinewave
t
T
Tj=150
°
C
0
0.5
1
1.5
2
2.5
3
A
F
(
A
F
(
A
F
(
A
F
(
A
F
(
70
90
Lead Temperature   T  (
°
C)
110
130
150
T  
—
I
F(AV)  
Derating
t/T=1/6
t/T=1/2
I
F
I
F
I
F
I
F
I
F
Solder
Solder
Solder