SMD Schottky Barrier Diodes
COMCHIP
SMD Diodes Specialist
CDBW0520L-HF Thru. CDBW0540-HF
Reverse Voltage: 20 to 40 Volts Forward Current: 0.5 Amp RoHS Device
Features
-Halogen free. -Low turn on voltage. -Fast switching. -PN junction guard ring for transient and ESD protection.
SOD-123
0.110(2.80) 0.098(2.50)
0.028(0.70) 0.019(0.50)
0.071(1.80) 0.055(1.40)
Mechanical data
-Case: SOD-123, molded plastic. -Terminals: solderable per MIL-STD-750, method 2026. -Polarity: Color band denotes cathode end. -Weight: 0.0097 gram(approx.).
0.053(1.35) 0.037(0.95)
0.154(3.90) 0.141(3.60)
0.008(0.20) Max. 0.005(0.12) Max. 0.016(0.40) Min.
Marking
CDBW0520L-G: SD
Dimensions in inches and (millimeter)
CDBW0530-G: SE CDBW0540-G: SF
Maximum Ratings and Electrical Characteristics(At Ta=25
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. forward voltage Symbol VRRM VDC VRMS CDBW0520L-HF 20 20 14 CDBW0530-HF 30 30 21
O
C, unless otherwise noted)
CDBW0540-HF 40 40 28 Units V V V
IFSM
5.5
A
IO VF 0.3@IF=0.1A 0.385@IF=0.5A 0.075@VR=10V 0.25@VR=20V
0.5 0.375@IF=0.1A 0.430@IF=0.5A 0.02@VR=15V 0.13@VR=30V 206 150 125 -55 to +125 0.51@IF=0.5A 0.62@IF=1.0A 0.01@VR=20V 0.02@VR=40V
A V
Max. reverse current
IR RθJA RθJL TJ TSTG
mA
Max. thermal resistance (Note 1) Max. operating junction temperature Storage temperature
°C/W °C °C
Notes: 1. Thermal resistance from junction to ambient and junction to lead, mounted on P.C.B. with 0.2×0.2 inch copper pad area.
2
REV:A
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Comchip Technology CO., LTD.
SMD Schottky Barrier Diodes
COMCHIP
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBW0520L-HF thru CDBW0540-HF)
Fig.1 Forward Characteristics
10 1.2
Fig.2 Current Derating Curve
CDBW0540-HF
A v e ra ge Rec t ifi e d C u rr e n t(A )
1.0
Mounted on glass epoxy PCB
F o r w a rdC u rr e n t (A )
1
CDBW0520L-HF
0.8
0.6
0.1
CDBW0530-HF
0.4
0.2
0.01 0 0.2 0.4 0.6 0.8 1.0
0 0 25 50 75 100 125 150
Forward voltage (V)
Lead Temperature (°C)
Fig.3 Total Capacitance vs. Reverse voltage
1000
f=1.0MHz
To ta lC a p a c i ta n c e ( p F )
100
10
1
0.1 0 5 10 15 20 25
Reverse Voltage (V)
REV:A
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Comchip Technology CO., LTD.
SMD Schottky Barrier Diodes
Reel Taping Specification
P0 P1 d Index hole E T
COMCHIP
SMD Diodes Specialist
F B
Polarity
W C
P
A
12 0
o
D2
D1 D
W1
Trailer ....... .......
10 pitches (min)
Device ....... ....... ....... .......
Leader ....... .......
10 pitches (min)
End
Start
Direction of Feed
SYMBOL
A
1.90 ± 0.10
0.075 ± 0.04
B
4.00 ± 0.10
0.157 ± 0.04
C
1.50 ± 0.10
0.059 ± 0.04
d
1.55 ± 0.10
0.061 ± 0.04
D
178 ± 1.00
7.00 ± 0.039
D1
50.0 MIN.
1.968 MIN.
D2
13.0 ± 0.20
0.512 ± 0.079
SOD-123
(mm) (inch)
SYMBOL
E
1.75 ± 0.10
0.069 ± 0.004
F
3.50 ± 0.05
0.138 ± 0.002
P
4.00 ± 0.10
0.157 ± 0.004
P0
4.00 ± 0.10
0.157 ± 0.004
P1
2.00 ± 0.05
0.079 ± 0.002
W
8.00 ± 0.30
0.315 ± 0.011
W1
14.4 MAX.
0.567 MAX
SOD-123
(mm) (inch)
REV:A
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Comchip Technology CO., LTD.
SMD Schottky Barrier Diodes
Marking Code
Part Number
CDBW0520L-HF CDBW0530-HF CDBW0540-HF
COMCHIP
SMD Diodes Specialist
Marking Code
SD SE SF
XX
xx = Product type marking code
Suggested PAD Layout
SOD-123 SIZE (mm) A B C D E 3.35 0.80 1.00 5.02 1.67 (inch)
D A E
0.132 0.032 0.039 0.198 0.066
C
B
Standard Package
Qty per Reel Case Type (Pcs) SOD-123 3000 Reel Size (inch) 7
REV:A
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Comchip Technology CO., LTD.
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