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 (ºC)
0 25 50 75 100 125 150
0
3.00
3.75
2.25
1.50
0.75
20201t 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
20201t Cu Heatsink on both sides
Without Heatsink
0.5 0.7 0.9 1.1 0.3
Ta 100ºC
=
25ºC
1
0.1
10
100
0 1.0 2.0
Ta=100ºC
Ta=25ºC
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 Forward Surge Current I
FSM
(A)Peak Forward Surge Current I
FSM
(A)Peak Forward Surge Current I
FSM
(A)
50 10
20ms
IFSM (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
IFSM (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
150ºC
=
25ºC
100ºC
1
L=20mm L=20mm
P. C. B. 1.6t
Solder Land
5.5
5mm 5mm
5mm 5mm
R ec tifie r 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
(µA) I
R
(H)
(µA)
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 1.0150
200
150
350
100
0.95
–40 to +150
A
3.0 10 8 1.250
3.5 10 8 1.250
B
0.95
0.97
0.92
16
Average Forward Current I
F (AV)
(A)
TaI
F (AV)
Derating
Ambient Temperature Ta (ºC)
Average Forward Current I
F (AV)
(A)
TaI
F (AV)
Derating
TaI
F (AV)
Derating
Ambient Temperature Ta (ºC)
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- )