CDBMS140LL-HF

Ultra Low VF SMD Schottky Barrier Rectifiers
CDBMS140LL-HF
Reverse Voltage: 40 Volts
Forward Current: 1.0 Amp
RoHS Device
Halogen Free
SOD-123S
Features
0.154(3.90)
0.138(3.50)
0.016(0.40) Typ.
-Low power loss, high efficiency.
-High current capability, Low forward voltage drop.
0.039(1.00)
0.031(0.80)
-High surge capability.
0.079(2.00)
0.063(1.60)
-Guard ring for overvoltage protection.
-Ultra high-speed switching.
-Silicon epitaxial planar chip, metal silicon junction.
Mechanical data
0.055(1.40)
0.039(1.00)
-Epoxy: UL94V-0 rated flame retardant.
0.031(0.80) Typ.
-Case: SOD-123S, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Indicated by cathode band.
0.031(0.80) Typ.
Dimensions in inches and (millimeter)
-Weight: 0.018 grams (Approx.)
Maximum Ratings and Electrical Characteristics
Ratings at Ta=25°C unless otherwise noted.
Single phase, half wave, 60Hz, resistive or inductive loaded.
For capacitive load, derate current by 20% .
Symbol
CDBMS140LL-HF
Units
VRRM
40
V
VR
40
V
VRMS
28
V
Max. forward voltage @1.0A, TA=25°C
VF
0.35
V
Junction Temperature
TJ
-55 to +100
°C
Parameter
Max. Repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Parameter
Conditions
Forward rectified current
Symbol
MAX.
Units
IO
1.0
A
IFSM
50
A
1.0
mA
MIN.
TYP.
Forward surge current
8.3ms single half sine-wave superimposed
on rate load (JEDEC method)
Reverse current
VR =VRRM TJ=25°C
IR
Thermal Resistance
Junction to ambient
RθJA
130
°C/W
Diode junction capacitance
f=1MHZ and applied 4V DC reverse Voltage
CJ
130
pF
Storage temperature
TSTG
-55
+150
Company reserves the right to improve product design , functions and reliability without notice.
°C
REV: A
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QW-JL038
Comchip Technology CO., LTD.
Ultra Low VF SMD Schottky Barrier Rectifiers
RATING AND CHARACTERISTIC CURVES (CDBMS140LL-HF)
Fig.1 - Typical Forward Current Derating Curve
Fig.2 - Typical Forward Characteristics
Single phase half wave 60Hz
Resistive or inductive load
1.2
1.0
0.8
0.6
0.4
0.2
Instantaneous Forward Current, (A)
Average Forward Current, (A)
1.4
25
75
50
100
125
10
1.0
0.1
TJ=25°C
Pulse width 300μs
1% duty cycle
0.01
0.1
0
0
50
150
Ambient Temperature, (°C)
0.5
0.7
0.9
1.1
1.3
1.5
Forward Voltage, (V)
Fig.3 - Maximum Non-repetitive
Forward Surge Current
Fig.4 - Typical Junction Capacitance
50
350
TJ=25°C
8.3ms single half sine
wave, JEDEC method
Junction Capacitance, (pF)
Peak Forward Surge Current, (A)
0.3
40
30
20
10
0
10
1
100
300
250
200
150
100
50
0
0.01
Number of Cycles at 60Hz
0.1
1
10
100
Reverse Voltage, (V)
Fig.5 - Typical Reverse Characteristics
Reverse Leakage Current, (mA)
100
10
TJ=25°C
1.0
0.1
0.01
0
20
40
60
80
100
120
140
Percent of Rated Peak Reverse Voltage, (%)
Company reserves the right to improve product design , functions and reliability without notice.
REV: A
Page 2
QW-JL038
Comchip Technology CO., LTD.
Ultra Low VF SMD Schottky Barrier Rectifiers
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
P
C
A
12
o
0
D2
D1 D
W1
Trailer
.......
.......
End
Device
.......
.......
Leader
.......
.......
.......
.......
160mm (min)
Start
400mm (min)
Direction of Feed
SOD-123S
SOD-123S
SYMBOL
A
B
C
d
D
D1
D2
(mm)
2.00 ± 0.10
3.75 ± 0.10
1.10 ± 0.10
1.50 ± 0.10
178 ± 0.30
60.0 Min.
13.50 ± 0.20
(inch)
0.079 ± 0.004
0.148 ± 0.004
0.043 ± 0.004
0.059 ± 0.004
7.008 ± 0.012
2.362 Min.
0.532 ± 0.008
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
3.50 ± 0.10
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.10
8.00 ± 0.30
12.00 Min.
(inch)
0.069 ± 0.004
0.138 ± 0.004
0.158 ± 0.004
0.158 ± 0.004
0.079 ± 0.004
0.315 ± 0.012
0.472 Min.
Company reserves the right to improve product design , functions and reliability without notice.
REV: A
Page 3
QW-JL038
Comchip Technology CO., LTD.
Ultra Low VF SMD Schottky Barrier Rectifiers
Marking Code
Part Number
Marking Code
CDBMS140LL-HF
LL4
XXX
= Cathod band
XXX = Product type marking code
Suggested PAD Layout
SOD-123S
C
SIZE
(mm)
(inch)
A
1.10
0.043
B
1.00
0.039
C
2.00
0.079
A
B
Note:
1.The pad layout is for reference purposes only.
Standard Packaging
REEL PACK
Case Type
SOD-123S
REEL
Reel Size
( pcs )
(inch)
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV: A
Page 4
QW-JL038
Comchip Technology CO., LTD.
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