SMD Schottky Barrier Rectifiers
CDBM220-G Thru. CDBM2100-G
Reverse Voltage: 20 to 100 Volts
Forward Current: 2.0 Amp
RoHS Device
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.
0.154(3.90)
0.138(3.50)
0.012(0.30) Typ.
Mini SMA/SOD-123
0.071(1.90)
0.055(1.50)
Mechanical data
-Case: Molded plastic, JEDEC Mini SMA/SOD-123.
-Terminals: Solderable per MIL-STD-750, method
2026.
-Polarity: Indicated by cathode band.
-Weight: 0.018 grams approx.
Dimensions in inches and (millimeter)
0.028(0.70) Typ.
0.067(1.70)
0.051(1.30)
0.028(0.70) Typ.
Maximum Ratings
(at T =25°C unless otherwise noted)
A
Parameter
Repetitive peak reverse voltage
Maximum RMS voltage
Continuous reverse voltage
Forward voltage @I
F
=2.0A
Forward rectified current
Forward surge current, 8.3ms half sine wave
superimposed on rated load (JEDEC method)
Reverse current on V
R
=V
RRM
@T
A
=25
C
@T
A
=125
C
O
O
Symbol
CDBM
CDBM
CDBM
CDBM CDBM CDBM CDBM
220-G
20
14
20
230-G
30
21
30
0.50
2.0
50
0.5
10
R
θJA
C
J
T
J
T
STG
-55 to +125
240-G
40
28
40
250-G
50
35
50
260-G
60
42
60
280-G
80
56
80
2100-G
100
70
100
Unit
V
V
V
V
A
A
mA
O
V
RRM
V
RMS
V
R
V
F
I
O
I
FSM
I
R
0.70
0.85
Typ. thermal resistance, junction to ambient air
Typ. diode junction capacitance (Note 1)
Operating junction temperature
Storage temperature
Note 1: f=1MHz and applied 4V DC reverse voltage.
85
160
-55 to +150
-65 to +175
C/W
pF
O
C
C
O
REV:C
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Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Rating and Characteristic Curves (CDBM220-G Thru. CDBM2100-G)
Fig.1 Reverse Characteristics
100
Fig.2 Typical Forward Characteristics
100
I
F
, Instantaneous Forward Current (A)
I
R
, Reverse Leakage Current (mA)
10
10
B
CD
2
M2
0-G
D
~C
24
BM
0-G
0-G
-G
CD
25
BM
0-G
~
-
26
BM
CD
1
T
J
=75
O
C
1
C
M2
DB
80
-G
~
21
BM
CD
00
0.1
T
J
=25 C
O
0.1
T
J
=25 C
Pulse width 300μs
1% duty cycle
O
0.01
0
40
80
120
160
200
0.01
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
Percent of Rated Peak Reverse Voltage (%)
V
F
, Forward Voltage (V)
Fig.3 Junction Capacitance
700
600
500
400
300
200
100
0
0.01
f=1MHz
Applied 4VDC
reverse voltage
Fig.4 Current Derating Curve
1.4
1.2
1.0
0.8
CD
CD
I
O
, Average Forward Current (A)
C
J
, Junction Capacitance (pF)
22
BM
25
BM
0.6
0.4
0.2
0
20
~2
0 -G
40
-G
1
~2
0-G
00
-G
0.1
1
10
100
40
60
80
100
120
140
160
V
R
, Reverse Voltage (V)
T
A
, Ambient Temperature (°C)
Fig.5 Non-repetitive Forward
Surge Current
50
I
FSM
, Peak Forward Surge Current (A)
T
J
=25 C
8.3ms single half sine
wave, JEDEC method
O
40
30
20
10
0
1
10
100
Number of Cycles at 60Hz
REV:C
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Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Marking Code
Part Number
CDBM220-G
CDBM230-G
CDBM240-G
CDBM260-G
CDBM280-G
CDBM2100-G
Marking Code
22
23
24
26
28
20
XX
xx = Product type marking code
Suggested PAD Layout
Mini-SMA/SOD-123
SIZE
(mm)
A
B
C
D
E
3.30
1.40
1.90
4.70
1.90
(inch)
0.130
0.055
0.075
D
A
E
C
0.185
0.075
B
Standard Packaging
REEL PACK
Case Type
Mini-SMA
/SOD-123
REEL
( pcs )
Reel Size
(inch)
2,500
7
REV:C
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