Forward Voltage V
F
(V)
Forward Current I
F
(A)
Forward Voltage V
F
(V)
Forward Current I
F
(A)
Forward Voltage V
F
(V)
Forward Current I
F
(A)
V
F
---I
F
Characteristics
(Typical)
V
F
---I
F
Characteristics
(Typical)
V
F
---I
F
Characteristics
(Typical)
0
25
50
75
100
125
150
0
0.5
1.0
1.5
2.0
2.5
Ambient Temperature Ta (�C)
0
25
50
75
100
125
150
0
3.00
3.75
2.25
1.50
0.75
20
�2
0
�1t Cu
Heatsink on both sides
Without Heatsink
0
25
50
75
100
125
150
0
0.7
1.4
2.1
2.8
3.5
20
�
20
�
1t Cu Heatsink on both sides
Without Heatsink
0.5
0.7 0.9
1.1
0.3
Ta
100�C
=
25�C
1
0.1
10
100
0
1.0
2.0
Ta
=100�
C
Ta
=
25�C
50.0
�
0.1
1.4
�
0.1
6.5
�
0.2
8.0
�
0.2
62.5
�
0.7
1.2
�
0.05
5.2
�
0.2
9.1
�
0.2
0
1
I
FMS
Rating
I
FMS
Rating
I
FMS
Rating
5
Peak For
ward Surge Current I
FSM
(A)
Peak For
ward Surge Current I
FSM
(A)
Peak For
ward Surge Current I
FSM
(A)
50
10
20ms
I
FSM
(A)
50
150
100
0
1
5
120
50
10
80
40
160
200
RM4B
RM4C
RM 4Y
RM 4Z
RM 4
RM 4A
0
1
5
50
10
20ms
I
FSM
(A)
350
100
200
300
RM3C
RM 3 series
RM 4 series
RM 4M series
10
1
0.1
0.01
0.001
0
0.2
0.4
0.6
0.8
1.0
1.2
10
100
0.1
0.01
0.001
T
a
150�C
=
25�C
100�C
1
L = 20 mm
L = 20 mm
P. C. B. 1.6 t
Solder Land
5.5
5 mm
5 mm
5 mm
5 mm
Rectifier Diodes
Parameter
Type No.
Absolute Maximum Ratings
V
RM
(V)
I
FSM
(A)
V
F
(V)
I
F
(A)
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)
(g)
Mass
Others
RM 3
400
RM 3A
600
RM 3B
800
RM 3C
1000
RM 4Y
100
RM 4Z
200
RM 4
400
RM 4A
600
RM 4B
800
RM 4C
1000
RM 4AM
600
2.5
2.0
1.7
(3.0)
1.8
(3.2)
(150
�
C)
2.5
10
10
1.0
150
200
150
350
100
0.95
�40 to +150
A
3.0
10
8
1.2
50
3.5
10
8
1.2
50
B
0.95
0.97
0.92
16
Average Forward Current I
F (AV)
(A)
Ta--I
F (AV)
Derating
Ambient Temperature Ta (�C)
Average Forward Current I
F (AV)
(A)
Ta--I
F (AV)
Derating
Ta--I
F (AV)
Derating
Ambient Temperature Ta (�C)
Average Forward Current I
F (AV)
(A)
I
F (AV)
(A)
50Hz
Half-cycle Sinewave
Single Shot
Fig.
( ) is with
Heatsink
Overcurrent Cycles
Overcurrent Cycles
Overcurrent Cycles
External Dimensions
(Unit: mm)
Flammability:
UL94V-0 or Equivalent
A
Fig.
B
Fig.
Cathode Mark
Cathode Mark
(
�
C/ W)
Rth (j- )
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