Low VF SMD Schottky Barrier Rectifiers
Reverse Voltage: 20 to 40 Volts
Forward Current: 2.0 Amp
RoHS Device
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Features
-Ideal for surface mount applications.
-Low power loss , high efficiency.
-Plastic package has Underwriters Lab.
flammability classification 94V-0.
-Exceeds environmental standard MIL-S-
19500/228.
-Low leakage current.
Mechanical data
-Case: Mini SMA/SOD-123 , molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Indicated by cathode band.
-Approx. weight: 0.011 grams
CDBMT220L-G Thru. CDBMT240L-G
Maximum Ratings and Electrical Characteristics
Dimensions in inches and (millimeter)
QW-BL012
Comchip Technology CO., LTD.
Max. Repetitive Peak Reverse Voltage
Continuous Reverse Voltage
Max. RMS Voltage
Max. Forward Current
8.3mssingle half sine-wave superimposed
on rate load (JEDEC method)
Max. Forward Rectified Current ( fig.2)
Max. Forward Voltage @IF=2.0A
Max. Reverse Current at TA=25°C
Storage Temperature
Operating Temperature
CDBMT220L-G UnitsSymbolParameter
VRRM
VR
VRMS
IFSM
IO
VF
IR
RθJA
CJ
TSTG
TJ
20
20
14
0.38
V
V
V
A
A
V
mA
°C/W
pF
°C
°C
CDBMT240L-G
40
40
28
0.40
40
2.0
1.0
70
160
-65 to +175
-55 to +100
SOD-123
0.146(3.7)
0.130(3.3) 0.012(0.3) Typ.
0.075(1.9)
0.060(1.5)
0.040(1.0)
0.024(0.6)
0.031(0.8) Typ.0.031(0.8) Typ.
CDBMT230L-G
30
30
21
0.40
Typ. Diode Junction Capacitance
f=1MHz and applied 4V DC reverse voltage
Typ. Thermal Resistance
Junction to Ambient
-Easy pick and place.
-Hight current capability,low forward voltage drop.
QW-BL012
RATING AND CHARACTERISTIC CURVES (CDBMT220L-G thru CDBMT240L-G)
Percentage of Rated Peak Reverse Voltage, (%)
100600
Fig.3- Typical Revrse Characteristics
0.1
1
10
100
1000
Reverseleakage Current , (mA)
Forward Voltage, (V)
0.1
Fig.1 Typical Forward Characteristics
0.01
Instantaneous Forward Current , (A)
0.1
1
10
100
0.7
Reverse Voltage, (V)
0.01
Fig.5 Typical Junction Capacitance
0
50
150
300
350
0.1 1 10 100
Ambient Temperature, (°C)
Fig.2- Typical Forward Current
0
Average Forward Current ,(A)
1.6
2.8
Comchip Technology CO., LTD.
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0.3 1.1 1.51.3
100
200
250
0 25 175
0.8
2.0
140
1.2
20 120
2.4
Low VF SMD Schottky Barrier Rectifiers
Fig.4 Maximum Non-repetitive Forward
Surge Current
0
30
60
1 10 100
10
40
20
50
O
TJ=25 C
8.3ms single half sine
wave, JEDEC method
50 75 100 125 150
0.4
CDBMT220L-G
CDBMT230L-G
O
TJ=25 C, Pulse
width=300μs
0.5 0.9
O
TJ=75 C
O
TJ=25 C
40 80
CDBMT240L-G
1% Duty cycle
Derating Curve
Resistive or Indctive Load
Single Phase
Half Wave 60Hz
Junction Capacitance, (pF)
O
TJ=25 C
Peak Forward surge Current , (A)
Number of cycles at 60Hz
SMD Schottky Barrier Rectifiers
QW-BL012
Comchip Technology CO., LTD.
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B C dD D2D1
Mini-SMA/SOD-123
SYMBOL
A
(mm)
(inch) 2.440 MIN.
4.00 ± 0.10
1.50 ± 0.10 62.0 MIN. 13.0 ± 0.50
4.00 ± 0.10 2.00 ± 0.10 8.00 ± 0.30 11.40 ± 1.0
178 ± 2.00
0.059 ± 0.004 7.00 ± 0.079 0.512 ± 0.020
SYMBOL
(mm)
(inch) 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.449 ± 0.039
E F P P0P1W W1
1.75 ± 0.10
0.069 ± 0.004
3.50 ± 0.10
0.138 ± 0.004
Mini-SMA/SOD-123
2.00 ± 0.10
0.079 ± 0.004
3.85 ± 0.10
0.152 ± 0.004
1.10 ± 0.10
0.043 ± 0.004
0.23 ± 0.10
T
0.009 ± 0.004 0.314 ± 0.012
Reel Taping Specification
o
120
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
D1
D2
D
W1
T
C
Direction of Feed
Index hole
d
E
F
B W
P
P0
P1
A
Low VF SMD Schottky Barrier Rectifiers
QW-BL012
Comchip Technology CO., LTD.
Page 4
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XXX
Part Number
CDBMT220L-G
Marking Code
Marking Code
Suggested PAD Layout
SIZE
(inch)
0.118
(mm)
3.00
1.30
1.80
0.051
0.071
4.30 0.169
E1.70 0.067
A
B
C
D
A
C
B
E
D
CDBMT230L-G
CDBMT240L-G
L22
L23
L24
Mini-SMA/SOD-123
XXX= Product type marking code
Standard Packaging
Case Type
3,000
REEL
( pcs )
Reel Size
(inch)
7
REEL PACK
/SOD-123
Mini-SMA
