ROHM RB441Q-40 Datasheet
Diodes
Schottky barrier diode
RB441Q-40
Applications
!!!!
Low current rectification
External dimensions
!!!!
RB441Q-40
(Units : mm)
Features
!!!!
1) Glass sealed envelope for high reliability. (MSD)
2) Small pitch enables insertion on PCBs.
3) Low V
!!!!
F
.(VF=0.45V Typ. at 100mA)
Construction
29±1
ROHM : MSD
EIAJ : −
JEDEC : DO-34
2.7±0.3
Silicon epitaxial planar
Absolute maximum ratings
!!!!
Parameter Symbol Limits Unit
Peak reverse voltage V
DC reverse voltage V
Mean rectifying current I
Peak forward surge current I
Junction temperature Tj 125
Storage temperature Tstg
Electrical characteristics
!!!!
Parameter Symbol Min. Typ. Max. Unit Conditions
Forward voltage V
Forward voltage V
Reverse current
Capacitance between terminals − 6.0 − pF V
Note) ESD sensitve product handling required.
(Ta = 25°C)
RM
R
O
FSM
(Ta = 25°C)
F1
F2
I
R
C
T
40 V
40 V
0.1 A
1A
°C
−40~+125
−−0.34 V IF=10mA
−−0.55 V IF=100mA
−−100 µAVR=40V
°C
CATHODE BAND (BLACK)
AC
29±1
Product identification number “S3”
is stamped on body of main unit.
R
=10V, f=1MHz
φ0.4
±0.1
φ1.8±0.2
Diodes
Electrical characteristic curves
!!!!
A)
100m
(
F
1
10m
Typ.
pulse measurement
(Ta = 25°C)
(A)
R
10m
100µ
RB441Q-40
1000
Typ.
75
°C
pulse measurement
Ta=125°C
1m
pF)
(
T
100
1m
°C
Ta=125°C
75
25°C
100µ
FORWARD CURRENT : I
10µ
0
−25°C
0.1 0.2 0.3 0.4 0.5 0.6 0.7
FORWARD VOLTAGE : V
Fig. 1 Forward characteristics
28
26
24
Surge (A)
F
22
20
18
16
14
12
10
8
P=50%
6
4
2
0
FORWARD SURGE CURRENT : I
1 10 100 1000
PULSE WIDTH (mS)
Fig. 4 Forward surge current
characteristics
10µ
25
1µ
REVERSE CURRENT : I
0.1µ
F
(
V)
0 5 10 15 20 25 30 35
°C
REVERSE VOLTAGE : V
40
R
(V)
Fig. 2 Reverse characteristics
10
CAPACITANCE BETWEEN TERMINALS : C
1
0 5 10 15 20 25
REVERSE VOLTAGE : V
R
(V)
Fig. 3 Capacitance between
terminals characteristics
0.5
0.4
Sine wave (Tj=25
0.3
0.2
0.1
POWER DISSIPATION : PF (W)
0 0.5
AVERAGE FORWARD CURRENT : IO (A)
°C)
DC (Tj=25
Fig. 5 Mean rectifying current
characteristics
100
°C)
80
60
40
Io CURRENT (%)
20
0
0
25 50 75 100 125
AMBIENT TEMPERATURE : Ta (°C)
Fig. 6 Derating curve
(mounting on glass epoxy PCBs)
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