RLS4148 / RLS4150 / RLS4448
Diodes
Switching diode
RLS4148 / RLS4150 / RLS4448
∗This
product is available only outside of Japan.
!
Applications
High-speed switching
!
External dimensions
(Units : mm)
CATHODE BAND
!
Features
1) Small surface mounting type. (LLDS)
2) High speed.
3) For surface mounting.
4) High reliability.
0.4
0.4
φ1.4±0.1
3.4
+0.2
−0.1
φ1.5Max.
!
Construction
Silicon epitaxial planar
ROHM : LLDS
EIAJ :
−
JEDEC : LL-34
!
Absolute maximum ratings
(Ta = 25°C)
Type
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
1µs
(A)
2
4
2
P
(mW)
500
500
500
Tj
(°C)
200
200
200
Topr
(°C)
−65~+200
−65~+200
−65~+200
Tstg
(°C)
−65~+200
−65~+200
−65~+200
!
Electrical characteristics
(Ta = 25°C)
V
F
(V)
Type
@
1mA
@
5mA
@
@
@
@
10mA 50mA 100mA 200mA
1.0
0.66
0.76
0.74
0.62
0.72
1.0
0.86
B
V
(V)Min.
@
5µA
75
0.82
0.92
0.87
1.0
−
−
@
100µA
100
50
100
I
R
(µA)Max.
25°C
@150°C
@
V
R
(V)
V
R
(V)
0.025
5.0
0.1
0.025
5.0
20
75
50
20
75
50.0
100.0
50.0
20
50
20
Cr (pF)
V
R
=0
f=1MHz
4
2.5
4
t
rr
(ns)
V
R
=6V
I
F
=10mA
R
L
=100Ω
4
4
4
RLS4148
RLS4150
RLS4448
0.54
0.62
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)
CAPACITANCE BETWEEN TERMINALS : C
T
(pF)
100
50
FORWARD CURRENT : I
F
(mA)
3.0
f=1MHz
2.5
2.0
1.5
1.0
0.5
0
0
3 000
REVERSE CURRENT : I
R
(nA)
100°C
20
10
5
2
1
0.5
0.2
0
Ta=12
5
°
C
Ta=75
°C
Ta=25
°C
Ta=
−
25
°C
1 000
300
100
30
10
3
70
°C
50
°C
Ta=25°C
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
20
40
60
80
100 120
5
10
15
20
25
30
FORWARD VOLTAGE : V
F
(V)
REVERSE VOLTAGE : V
R
(V)
REVERSE VOLTAGE : V
R
(V)
Fig.1 Forward characteristics
Fig.2 Reverse characteristics
Fig.3 Capacitance between
terminals characteristics
3
REVERSE RECOVERY TIME : t
rr
(ns)
100
V
R
=6V
I
rr
=1/10I
R
2
SURGE CURRENT : I
surge
(A)
50
PULSE
Single pulse
20
10
5
1
2
0
0
10
20
30
1
0.1
1
10
100
1 000
10 000
FORWARD CURRENT : I
F
(mA)
PULSE WIDTH : Tw (ms)
Fig.4 Reverse recovery time
characteristics
Fig.5 Surge current characteristics
0.01µF
D.U.T.
5Ω
PULSE GENERATOR
OUTPUT 50Ω
50Ω
SAMPLING
OSCILLOSCOPE
INPUT
100ns
OUTPUT
t
rr
0
0.1I
R
Fig.6 Reverse recovery time (t
rr
) measurement circuit
I
R
实时操作系统RTOS
