CDBC340H-HF

SMD Schottky Barrier Rectifiers
CDBC340H-HF
Reverse Voltage: 40 Volts
Forward Current: 3.0 Amp
RoHS Device
Halogen Free
DO-214AB (SMC)
Features
-High surge and current capability.
-For use in low voltage, high frequency invertors free
-wheeling and polarity protection.
0.126 (3.20)
0.114 (2.90)
0.245 (6.22)
0.220 (5.59)
0.280 (7.11)
0.260 (6.60)
-Built-in strain relief.
-Silicon epitaxial planar chips.
-Metal silicon junction with guard ring.
0.012 (0.30)
0.006 (0.15)
Mechanical data
0.103 (2.62)
0.079 (2.00)
-Epoxy: UL94-V0 rated flame retardant.
-Case: Molded plastic, DO-214AB / SMC
-Terminals: Solderable per MIL-STD-750, method 2026.
0.008(0.20)
0.002(0.05)
0.320 (8.13)
0.305 (7.75)
0.060 (1.52)
0.031 (0.78)
-Polarity: Color band denotes cathode end.
-Mounting Position: Any.
Dimensions in inches and (millimeter)
-Weight: 0.25 gram (approx.)
Maximum Ratings and Electrical Characteristics
Ratings at Ta=25°C unless otherwise noted.
Symbol
CDBC340H-HF
Units
Max. recurrent peak reverse voltage
VRRM
40
V
Max. DC blocking voltage
VDC
40
V
Max. RMS voltage
VRMS
28
V
Peak forward surge current, 8.3ms
single half sine-wave superimposed
on rated load (JEDEC method)
IFSM
100
A
IAV
3.0
A
Max. forward voltage at 3.0A (Note 1)
VF
0.55
V
Max. DC reverse current @TA=25°C
at rated DC blocking voltage @TA=100°C
IR
0.5
20.0
mA
Typical junction capacitance (Note 2)
CJ
250
pF
RθJA
RθJL
55.0
17.0
°C/W
Junction temperature range
TJ
-55 to +150
°C
Storage temperature range
TSTG
-55 to +150
°C
Parameter
Max. average forward rectified current
0.2x0.2”(5.0x5.0mm) copper pad area, see Fig.1
Typical thermal resistance (Note 3)
Notes: 1. Pulse test: 300μs pulse width, 1% duty cycle.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V Volts.
3. Thermal resistance from junction to ambient and from junction to lead P.C.B. mounted on 0.2x0.2”(5.0x5.0mm) copper pad areas.
Company reserves the right to improve product design , functions and reliability without notice.
REV: A
Page 1
QW-JB070
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
RATING AND CHARACTERISTIC CURVES (CDBC340H-HF)
Fig.2 - Max. Non-repetitive Peak
Forward Surge Current
Fig.1 - Forward Current Derating Curve
100
Peak Forward Surge Current, (A)
Average Forward Current, (A)
5.0
4.0
3.0
2.0
1.0
0
10
1
0
25
75
50
100
125
1
150
10
100
Lead Temperature, (°C)
Number of Cycles at 60Hz
Fig.3 - Typical Instantaneous Forward
Characteristics
Fig.4 - Typical Reverse Characteristics
100
Instantaneous Reverse Current, (mA)
10
Instantaneous Forward Current, (A)
TL=110°C
8.3ms single half sine
wave, JEDEC method
1.0
0.1
10
TJ=125°C
1.0
TJ=100°C
0.1
0.01
TJ=25°C
0.001
0.01
0
0.2
0.4
0.6
0.8
1.0
Instantaneous Forward Voltage, (V)
0
20
40
60
80
100
120
140
Percent of Rated Peak Reverse Voltage, (%)
Fig.5 - Typical Junction Capacitance
Junction Capacitance, (pF)
1000
100
TJ=25°C
f=1.0MHz
10
0.1
1
10
100
Reverse Voltage, (V)
Company reserves the right to improve product design , functions and reliability without notice.
REV: A
Page 2
QW-JB070
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
P
C
A
W1
12
o
0
D2
D1 D
W2
Trailer
Device
.......
.......
End
.......
.......
Leader
.......
.......
.......
.......
160mm (min)
Start
400mm (min)
Direction of Feed
SMC
SMC
SYMBOL
A
B
C
d
T
D
D1
D2
(mm)
6.05
8.31
2.54
1.55
0.25
330.0
50.00 Min.
13.50
(inch)
0.238
0.327
0.100
0.061
0.010
13.00
1.969 Min.
0.531
SYMBOL
E
F
P
P0
P1
W
W1
W2
(mm)
1.75
7.50
8.00
4.00
2.00
16.00
18.40 Max.
22.40 Max.
(inch)
0.069
0.295
0.315
0.157
0.079
0.630
0.724 Max.
0.882 Max.
Note: The tolerance of carrier tape and top cover is 0.2mm, the tolerance of reel is 2mm.
Company reserves the right to improve product design , functions and reliability without notice.
REV: A
Page 3
QW-JB070
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Marking Code
Part Number
Marking Code
CDBC340H-HF
340
1.
1
: COMCHIP
C
5
2. C : SMC Package
2
BXXX
3. B:Schottky Diode
4. XXX: Product type marking code
3
4
5. |||| :Cathod Band
Suggested PAD Layout
DO-214AB(SMC)
E
SIZE
(mm)
(inch)
A
3.30
0.130
D
B
2.50
0.098
C
C
4.40
0.173
D
6.90
0.272
E
9.30
0.366
A
B
Standard Packaging
REEL PACK
Case Type
DO-214AB
(SMC)
REEL
Reel Size
( pcs )
(inch)
3,000
13
Company reserves the right to improve product design , functions and reliability without notice.
REV: A
Page 4
QW-JB070
Comchip Technology CO., LTD.
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