0
25
50
75
100
125
150
0
1.0
2.0
3.0
0
1
5
50
10
20ms
I
FSM
(A)
10
60
5mm
20201t Cu
5mm
0.4
0.8 1.2
1.6
0
2.0
T
a
150C
=
60C
100C
25C
20
30
40
50
0
1
5
50
10
20ms
I
FSM
(A)
10
20
30
40
50
50.0
0.1
1.4
0.1
6.5
0.2
Cathode Mark
8.0
0.2
3.5
0
1
5
50
10
20ms
I
FSM
(A)
10
20
30
40
50
60
70
RU 4Y, 4Z
RU 4, 4A, 4B
RU 4C
1
10
50
0.1
0.01
0.001
0.4
0.8 1.2
1.6
0
2.0
T
a
150C
=
60C
100C
25C
1
10
50
0.1
0.01
0.001
0.4
0.8 1.2
1.6
0
2.0
T
a
150C
=
60C
100C
25C
1
10
50
0.1
0.01
0.001
0
25
50
75
100
125
150
0
1.0
0.5
1.5
2.0
2.5
3.0
60
5mm
20201t Cu
5mm
0
25
50
75
100
125
150
0
1.0
0.5
1.5
2.0
60
5mm
20201t Cu
5mm
2.5
W
ith Heatsink
A
Fast-Recovery Rectifier Diodes
Parameter
Type No.
Absolute Maximum Ratings
V
RM
(V)
I
FSM
(A)
V
F
(V)
I
F
(A)
I
F
/
I
RP
(mA)
I
F
/
I
RP
(mA)
V
R
=
V
RM
max
V
R
=
V
RM
Ta
=
100
C max
I
R
(
A)
I
R
(H)
(
A)
Tj
(
C)
Tstg
(
C)
max
Electrical Characteristics (Ta
=
25
C)
(
C/ W)
(g)
Mass
Others
RU 4Y
100
RU 4Z
200
RU 4
400
RU 4A
600
RU 4B
800
RU 4C
1000
2.0 (3.5)
1.5 (3.0)
1.5 (2.5)
70
1.3
3.5
10
300
0.4
10/10
10/20
40 to +150
0.18
50
1.5
1.6
3.0
50
500
100/100
100/200
8.0
1.2
36
I
F (AV)
(A)
W
ithout Heatsink
W
ith Heatsink
Without Heatsink
W
ith Heatsink
Without Heatsink
Fig.
50Hz
Half-cycle Sinewave
Single Shot
( ) is with
Heatsink
Forward Voltage V
F
(V)
Forward Current I
F
(A)
V
F
--I
F
Characteristics
(Typical)
Ambient Temperature Ta (
C)
Overcurrent Cycles
I
FMS
Rating
Peak For
ward Surge Current I
FSM
(A)
Average Forward Current I
F(AV)
(A)
Ta --I
F(AV)
Derating
Forward Voltage V
F
(V)
Forward Current I
F
(A)
V
F
--I
F
Characteristics
(Typical)
Ambient Temperature Ta (
C)
Overcurrent Cycles
I
FMS
Rating
Peak For
ward Surge Current I
FSM
(A)
Average Forward Current I
F(AV)
(A)
Ta --I
F(AV)
Derating
Forward Voltage V
F
(V)
Forward Current I
F
(A)
V
F
--I
F
Characteristics
(Typical)
Ambient Temperature Ta (
C)
Overcurrent Cycles
I
FMS
Rating
Peak For
ward Surge Current I
FSM
(A)
Average Forward Current I
F(AV)
(A)
Ta --I
F(AV)
Derating
External Dimensions
(Unit: mm)
Flammability:
UL94V-0 or Equivalent
A
Fig.
t
rr
(
s)
t
rr
(
s)
Rth (j- )
PDF 
ZIP