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
20•20•1tCu
5mm
0.4 0.8 1.2 1.6 0 2.0
T
a
150ºC
=
60ºC
100ºC
25ºC
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
150ºC
=
60ºC
100ºC
25ºC
1
10
50
0.1
0.01
0.001
0.4 0.8 1.2 1.6 0 2.0
T
a
150ºC
=
60ºC
100ºC
25ºC
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
20•20•1tCu
5mm
0 25 50 75 100 125 150
0
1.0
0.5
1.5
2.0
60
5mm
20•20•1tCu
5mm
2.5
With Heatsink
A
Fa s t- R ec ov ery R ec tifi er D iodes
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
(µA) I
R
(H)
(µA)
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)
Without Heatsink
With Heatsink
Without Heatsink
With Heatsink
Without Heatsink
Fig.
50Hz
Half-cycle Sinewave
Single Shot
( ) is with
Heatsink
Forward Voltage VF (V)
Forward Current IF (A)
V
F
—I
F
Characteristics
(Typical)
Ambient Temperature Ta (°C) Overcurrent Cycles
I
FMS
Rating
Peak Forward Surge Current IFSM (A)
Average Forward Current IF(AV) (A)
Ta—I
F(AV)
Derating
Forward Voltage VF (V)
Forward Current IF (A)
V
F
—I
F
Characteristics
(Typical)
Ambient Temperature Ta (°C) Overcurrent Cycles
I
FMS
Rating
Peak Forward Surge Current IFSM (A)
Average Forward Current IF(AV) (A)
Ta—I
F(AV)
Derating
Forward Voltage VF (V)
Forward Current IF (A)
V
F
—I
F
Characteristics
(Typical)
Ambient Temperature Ta (°C) Overcurrent Cycles
I
FMS
Rating
Peak Forward Surge Current IFSM (A)
Average Forward Current IF(AV) (A)
Ta—I
F(AV)
Derating
External Dimensions
(Unit: mm)
Flammability:
UL94V-0 or Equivalent
A
Fig.
t
rr
➀
(µs) t
rr
➁
(µs) Rth (j- )
