Reverse Voltage: 20 - 40 Volts
Forward Current: 1.0 Amp
CDBM120L Thru CDBM140L
Low VF SMD Schottky Barrier Rectifier
Low VF SMD Schottky Barrier Rectifier
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COMCHIP
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Maximum Ratings and Electrical Characterics
MDS0211018A
Page 1
Features
Ideal for surface mount applications
Easy pick and place
Plastic package has Underwriters Lab.
flammability classification 94V-0
Exceeds environmental standard MIL-S-
19500/228
Low leakage current
Mechanical data
Case: Mini SMA molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Color band denotes cathode
end
Mounting position: Any
Approx. Weight:0.04 gram
0.146(3.70)
0.012(0.30) Typ.
0.071(1.80)
0.055(1.40)
0.110(2.80)
0.094(2.40)
0.063(1.60)
0.055(1.40)
0.035(0.90) Typ.
0.035(0.90) Typ.
MINI SMA
Dimensions in inches and (millimeter)
0.161(4.10)
Parameter
Max. Repetitive Peak Reverse Voltage
Max. DC Blocking Voltage
Max. RMS Voltage
Peak Surge Forward Current
8.3ms single half sine-wave
superimposed on rate load
( JEDEC method )
Max. Average Forward Current
Max. Instantaneous Forward Current
at 1.0 A
Max. DC Reverse Current at Rated DC
Blocking Voltage Ta=25
Ta=100
Max. Thermal Resistance (Note 1)
Operating Junction Temperature
Storage Temperature
Symbol
V
RRM
V
DC
V
RMS
I
FSM
I o
V
F
I
R
R
JA
R
JL
T j
T
STG
Unit
V
V
V
A
A
V
mA
Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas
CDBM120L
CDBM140L
20
20
14
40
40
28
30
1.0
0.38
0.40
- 5 5 t o + 1 2 5
88
20
0.5
- 5 5 t o + 1 5 0
5
10
/W
C
C
C
C
C
Rating and Characteristic Curves (CDBM120L Thru CDBM140:L)
Fig. 1 - Reverse Characteristics
Percent of Rated Peak Reverse Voltage (%)
R
e
v
e
r
s
e
C
u
r
r
e
n
t
(
m
A
)
Fig. 4 - Current Derating Curve
0
0.6
1.2
160
20
40
60
80
100
120 140
A
v
e
r
a
g
e
f
o
r
w
a
r
d
c
u
r
r
e
n
t
(
A
)
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COMCHIP
COMCHIP
0 20 40 60 80 100 120 140 160 180 200
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Forward Voltage (V)
Fig.2 - Forward Characteristics
0.01 0.1 1.0 10 100
50
MDS0211018A
Page 2
Fig. 3 - Junction Capacitance
Reverse Voltage (V)
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
J
u
n
c
t
i
o
n
C
a
p
a
c
i
t
a
n
c
e
(
p
F
)
0
100
150
350
Low VF SMD Schottky Barrier Rectifier
Low VF SMD Schottky Barrier Rectifier
0.2
0.4
1.0
0.8
300
250
200
P
e
a
k
s
u
r
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Fig. 5 - Non repetitive Forward
Surge Current
0
6
12
30
24
18
1 5 10 50 1 00
Number of Cycles at 60Hz
1
100
10
0.1
0.01
1
100
10
0.1
0.01
Tj=75 C
Tj=25 C
Ambient Temperature ( C)
Tj=25 C
8.3mS Single Half Sine
Wave JEDEC methode
=1MHz and applied
4VDC reverse voltage
CDBM120L
CDBM140L
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