RB441Q-40
Diodes
Schottky barrier diode
RB441Q-40
!
!
!
!Applications
Low current rectification
!
!
!
!Features
1) Glass sealed envelope for high reliability. (MSD)
2) Small pitch enables insertion on PCBs.
3) Low V
F
.(V
F
=0.45V Typ. at 100mA)
!
!
!
!Construction
Silicon epitaxial planar
!
!
!
!External dimensions
(Units : mm)
1.8
0.2
0.4
0.1
A
C
29
1
2.7
0.3
29
1
ROHM : MSD
EIAJ :
-
JEDEC : DO-34
CATHODE BAND (BLACK)
Product identification number "S3"
is stamped on body of main unit.
!
!
!
!Absolute maximum ratings
(Ta = 25
C)
Parameter
Symbol
Limits
Unit
Peak reverse voltage
V
RM
40
V
DC reverse voltage
V
R
40
V
Mean rectifying current
I
O
0.1
A
Peak forward surge current
I
FSM
1
A
Junction temperature
Tj
125
C
Storage temperature
Tstg
C
-
40
~
+
125
!
!
!
!Electrical characteristics
(Ta = 25
C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Forward voltage
V
F1
-
-
0.34
V
I
F
=
10mA
Forward voltage
V
F2
-
-
0.55
V
I
F
=
100mA
Reverse current
I
R
-
-
100
A
V
R
=
40V
Capacitance between terminals
-
6.0
-
pF
V
R
=
10V, f
=
1MHz
Note) ESD sensitve product handling required.
C
T
RB441Q-40
Diodes
!
!
!
!Electrical characteristic curves
(Ta = 25
C)
0
1
100m
10m
1m
100
10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Ta
=
125
C
75
C
25
C
-
25
C
pulse measurement
Typ.
FORWARD CURRENT : I
F
(
A)
FORWARD VOLTAGE : V
F
(V)
Fig. 1 Forward characteristics
Fig. 2 Reverse characteristics
0
5
10
15
20
25
30
35
10m
1m
100
10
1
0.1
pulse measurement
REVERSE
CURRENT : I
R
(
A)
REVERSE
VOLTAGE : V
R
(V)
40
Typ.
Ta
=
125
C
75
C
25
C
0
5
10
15
20
25
1
10
100
1000
CAPACITANCE BETWEEN TERMINALS : C
T
(
pF)
REVERSE VOLTAGE : V
R
(V)
Fig. 3 Capacitance between
terminals characteristics
0
10
20
2
4
6
8
12
14
16
18
22
24
26
28
1
10
100
1000
FORWARD SURGE CURRENT : I
F
Surge (A)
PULSE WIDTH (mS)
Fig. 4 Forward surge current
characteristics
P
=
50%
0
0.5
0.1
0.2
0.3
0.4
0.5
POWER DISSIPATION : P
F
(
W)
AVERAGE FORWARD CURRENT : I
O
(A)
Fig. 5 Mean rectifying current
characteristics
Sine wave (Tj
=
25
C)
DC (Tj
=
25
C)
0
0
20
40
60
80
100
25
50
75
100
125
Io CURRENT (%)
AMBIENT TEMPERATURE : Ta (
C)
Fig. 6 Derating curve
(mounting on glass epoxy PCBs)
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