RLS4148 / RLS4150 / RLS4448
Diodes
Switching diode
RLS4148 / RLS4150 / RLS4448
This product is available only outside of Japan.
!
!
!
!Applications
High-speed switching
!
!
!
!Features
1) Small surface mounting type. (LLDS)
2) High speed.
3) For surface mounting.
4) High reliability.
!
!
!
!Construction
Silicon epitaxial planar
!
!
!
!External dimensions
(Units : mm)
-
0.1
+
0.2
1.5Max.
1.4
0.1
0.4
0.4
3.4
CATHODE BAND
EIAJ :
-
JEDEC : LL-34
ROHM : LLDS
!
!
!
!Absolute maximum ratings
(Ta = 25
C)
RLS4148
RLS4150
RLS4448
V
RM
(V)
100
50
100
V
R
(V)
75
50
75
I
FM
(mA)
450
600
450
I
O
(mA)
150
200
150
I
F
(mA)
200
250
200
I
FSM
1
s
(A)
2
4
2
P
(mW)
500
500
500
Tj
(
C)
200
200
200
Topr
(
C)
Tstg
(
C)
Type
-
65~
+
200
-
65~
+
200
-
65~
+
200
-
65~
+
200
-
65~
+
200
-
65~
+
200
!
!
!
!Electrical characteristics
(Ta = 25
C)
0.025
5.0
20
75
V
F
(V)
RLS4148
RLS4150
RLS4448
@
1mA
@
5mA
@
10mA
@
50mA
@
100mA
@
200mA
B
V
(V)Min.
@
5
A
75
-
-
@
100
A
100
50
100
I
R
(
A)Max.
@25
C
0.1
0.025
5.0
50
20
75
@150
C
50.0
100.0
50.0
20
50
20
Cr (pF)
4
2.5
4
t
rr
(ns)
V
R
=6V
I
F
=10mA
R
L
=100
4
4
4
Type
V
R
(V)
V
R
(V)
V
R
=0
f=1MHz
1.0
0.54
0.62
0.66
0.74
0.76
0.86
0.82
0.92
0.87
1.0
0.62
0.72
1.0
The upper figure is the minimum V
F
and the lower figure is the maximum V
F
value.
RLS4148 / RLS4150 / RLS4448
Diodes
!
!
!
!Electrical characteristic curves
(Ta = 25
C)
0
Ta=125
C
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.2
0.5
1
2
5
10
20
50
100
Ta=75
C
Ta=25
C
Ta=
-
25
C
FORWARD CURRENT : I
F
(mA)
FORWARD VOLTAGE : V
F
(V)
Fig.1 Forward characteristics
0
100
C
70
C
50
C
Ta=25
C
20
40
60
80
100
120
3
10
30
100
300
1 000
3 000
REVERSE VOLTAGE : V
R
(V)
REVERSE CURRENT : I
R
(nA)
Fig.2 Reverse characteristics
0
0
10
20
30
0.5
1.0
1.5
2.0
2.5
3.0
5
15
25
f=1MHz
REVERSE VOLTAGE : V
R
(V)
CAPACITANCE BETWEEN TERMINALS : C
T
(pF)
Fig.3 Capacitance between
terminals characteristics
Fig.4 Reverse recovery time
characteristics
0
0
10
20
30
1
2
3
V
R
=6V
I
rr
=1/10I
R
REVERSE RECOVERY TIME : t
rr
(ns)
FORWARD CURRENT : I
F
(mA)
0.1
1
10
100
1 000
10 000
1
2
5
10
20
50
100
PULSE
Single pulse
PULSE WIDTH : Tw (ms)
SURGE CURRENT : I
surge
(A)
Fig.5 Surge current characteristics
PULSE GENERATOR
OUTPUT 50
SAMPLING
OSCILLOSCOPE
50
0.01
F
100ns
INPUT
D.U.T.
I
R
0.1I
R
t
rr
OUTPUT
0
5
Fig.6 Reverse recovery time (t
rr
) measurement circuit
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