Low VF SMD Schottky Barrier Rectifiers
Reverse Voltage: 20 to 40 Volts
Forward Current: 2.0 Amp
RoHS Device
Page 1
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Features
Mechanical data
-Case: Mini SMA/SOD-123, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Color band denotes cathode end.
-Approx. weight: 0.018 grams
CDBM220L-HF Thru. CDBM240L-HF
Maximum Ratings and Electrical Characteristics
Dimensions in inches and (millimeter)
QW-JL002
Comchip Technology CO., LTD.
Repetitive peak reverse voltage
Continuous reverse voltage
Max. RMS voltage
Peak surge forward current, 8.3ms
single half sine-wave superimposed
on rate load (JEDEC method)
Forward rectified current
Max. forward voltage at IF=2.0A
Reverse current O
TA=125 VR= VRRM C
Max. thermal resistance, junction to
ambient
Diode junction capacitance
Storage temperature
Operating temperature
CDBM220L-HF UnitsSymbolParameter
VRRM
VR
VRMS
IFSM
IO
VF
IR
RθJA
CJ
TSTG
TJ
20
20
14
0.38
V
V
V
A
A
V
mA
OC/W
pF
OC
OC
CDBM230L-HF
30
30
21
0.40
50
2.0
1.0
10
70
160
-65 to +175
-55 to +125
Mini SMA/SOD-123
0.154(3.9)
0.138(3.5) 0.012(0.3) Typ.
0.071(1.9)
0.055(1.5)
0.067(1.7)
0.051(1.3)
0.028(0.7) Typ.0.028(0.7) Typ.
OC
TA= 25 VR= VRRM
0.38
CDBM240L-HF
40
40
28
-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.
Halogen free
QW-JL002
RATING AND CHARACTERISTIC CURVES (CDBM220L-HF thru CDBM240L-HF)
100600
0.01
0.1
1
10
100
0.1
0.01
0.1
1
10
100
0.7
0.01
0
50
150
300
350
0.1 1 10 100
0
1.6
2.8
Comchip Technology CO., LTD.
Page 2
REV:A
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
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
0L-HF
CDBM22
L-
CDBM240HF
O
TJ=25 C, Pulse
Width=300μs
0.5 0.9
O
TJ=75 C
O
TJ=25 C
40 80
1% Duty Cycle
Fig.1 - Typical Forward Characteristics Fig.2 Typical Forward Current -
Derating Curve
Fig.3 Typical Reverse Characteristics - Fig.4 Max. Non-repetitive Forward -
Surge Current
Fig.5 Typical Junction Capacitance -
Forward Voltage, (V) Ambient Temperature, (°C)
Percent of Rated Peak Reverse Voltage, (%) Number of Cycles at 60Hz
Reverse Voltage, (V)
Reverse Leakage Current, (mA) Instantaneous Forward Current, (A)
Junction Capacitance, (pF)
Average Forward Current, (A)
Peak Forward Surge Current, (A)
QW-JL002
Comchip Technology CO., LTD.
Low VF SMD Schottky Barrier Rectifiers
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 11.4 ± 1.0
178 ± 2.00
0.059 ± 0.004 7.00 ± 0.079 0.512 ± 0.020
SYMBOL
(mm)
(inch) 0.315 0.011±
0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.449 ± 0.039
E F P P0P1WW1
1.75 ± 0.10
0.689 ± 0.004
3.50 ± 0.10
0.138 ± 0.004
Mini-SMA/SOD-123
1.90 ± 0.10
0.075 ± 0.04
3.90 ± 0.10
0.153 ± 0.04
1.68 ± 0.10
0.066 ± 0.04
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Polarity
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
QW-JL002
Comchip Technology CO., LTD.
Page 4
REV:A
Low VF SMD Schottky Barrier Rectifiers
Suggested PAD Layout
XXX
SIZE
(inch)
0.130
(mm)
3.30
1.40
1.90
0.055
0.075
4.70 0.185
E1.90 0.075
B
C
D
A
Part Number
CDBM220L-HF
Marking Code
L22
Marking Code
CDBM230L-HF L23
xxx = Product type marking code
C
A
E
D
B
Mini-SMA/SOD-123
CDBM240L-HF L24
Standard Packaging
Case Type
Mini-SMA/SOD-123 2,500
REEL
( pcs )
Reel Size
(inch)
7
REEL PACK
