SMD Schottky Barrier Diode
CDBU0320/0330/0340-HF
I
o
= 350 mA
V
R
= 20 to 40 Volts
RoHS Device
Halogen Free
Features
- Low forward voltage.
- Designed for mounting on small surface.
- Extremely thin / leadless package.
- Majority carrier conduction.
0.039(1.00)
0.031(0.80)
0603/SOD-523F
0.071(1.80)
0.063(1.60)
Mechanical data
- Case: 0603/SOD-523F standard package,
molded plastic.
- Terminals: Gold plated, solderable per
MIL-STD-750,method 2026
- Polarity: Indicated by cathode band.
- Mounting position: Any
- Weight: 0.003 grams(approx.).
0.029(0.75)
0.026(0.65)
0.033(0.85)
0.027(0.70)
0.014(0.35)
0.011(0.28)
0.049(1.25)
BSC
Circuit Diagram
0.018(0.45)
0.012(0.30)
Dimensions in inches and (millimeter)
Maximum Rating
(at T =25°C unless otherwise noted)
A
Parameter
Repetitive Peak reverse voltage
Reverse voltage
RMS reverse voltage
Average forward rectified current
Peak forward surge current
8.3 ms single half sine-wave
Symbol
V
RRM
V
R
V
R(MS)
I
O
I
FSM
P
D
R
ΘJA
T
j
T
STG
A
CDBU0320-HF
20
20
14
CDBU0330-HF
30
30
21
350
1.5
150
667
+125
-65 to +125
CDBU0340-HF
40
40
28
Unit
V
V
V
mA
A
mW
°C/W
°C
°C
Power dissipation
Thermal resistance junction to ambient air
Junction temperature
Storage temperature range
Electrical Characteristics
(at T =25°C unless otherwise noted)
Parameter
Reverse current
Forward voltage
Capacitance between terminals
Reverse recovery time
CDBU0320-HF
CDBU0330-HF
CDBU0340-HF
V
R
= 10V
V
R
= 20V
V
R
= 30V
I
F
= 20mA
I
F
= 200mA
f = 1 MH
Z
, and 0V DC reverse voltage
I
F
= I
R
, I
rr
= 0.1XI
R
, R
L
= 100 ohm
Conditions
Symbol
I
R
V
F
C
T
T
rr
Min
Typ
Max
5
5
5
0.37
0.60
Unit
uA
V
pF
nS
50
6.4
Company reserves the right to improve product design , functions and reliability without notice.
QW-G1076
REV:C
Comchip Technology CO., LTD.
Page 1
SMD Schottky Barrier Diode
RATING AND CHARACTERISTIC CURVES (CDBU0320/0330/0340-HF)
Fig. 1 - Forward Characteristics
1000
1m
125 C
O
Fig. 2 - Reverse Characteristics
Forward Current, (mA )
100
10
Reverse Current, ( A )
100u
10u
75 C
O
1
1u
25 C
O
C
O
0.1
C
125
C
75
25
0.01
0
0.1
0.2
0.3
0.4
0.5
0.6
-25
C
O
100n
O
O
10n
0
10
20
30
40
Forward Voltage, (V)
Reverse Voltage, (V)
Fig.3 - Capacitance Between
Terminals Characteristics
Capacitance Between Terminals, (
P
F)
50
120
Fig.4 - Current Derating Curve
Average Forward Current, (%)
f=1MHz
O
T
A
=25 C
40
Mounting on glass epoxy PCBs
100
80
30
60
20
40
10
20
0
0
10
20
30
40
0
0
25
50
75
100
125
O
150
Reverse Voltage, (V)
Ambient Temperature, ( C)
Company reserves the right to improve product design , functions and reliability without notice.
QW-G1076
REV:C
Comchip Technology CO., LTD.
Page 2
SMD Schottky Barrier Diode
Reel Taping Specification
P
0
P
1
d
Index hole
E
F
B
P
A
C
T
W
12
0
o
D
2
D
1
D
W
1
Trailer
.......
.......
160mm (min)
Device
.......
.......
.......
.......
Leader
.......
.......
400mm (min)
End
Start
Direction of Feed
SYMBOL
0603
(SOD-523F)
(mm)
(inch)
SYMBOL
0603
(SOD-523F)
(mm)
(inch)
A
1.16 ± 0.10
0.046 ± 0.004
B
1.90 ± 0.10
0.075 ± 0.004
C
0.95 ± 0.10
0.037 ± 0.004
d
1.50 + 0.10
-0
0.059 + 0.004
-0
D
178.00 ± 1.00
7.008 ± 0.039
D
1
60.00 ± 0.50
2.362 ± 0.020
D
2
13.50 ± 0.20
0.531 ± 0.008
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
P
0
4.00 ± 0.10
0.157 ± 0.004
P
1
2.00 ± 0.05
0.079 ± 0.002
T
0.22 + 0.10
- 0.05
0.009 + 0.004
- 0.002
W
8.00 ± 0.20
0.315 ± 0.008
W
1
12.00 + 0.50
- 0
0.472 + 0.020
-0
Company reserves the right to improve product design , functions and reliability without notice.
QW-G1076
REV:C
Comchip Technology CO., LTD.
Page 3
SMD Schottky Barrier Diode
Marking Code
Part Number
CDBU0320-HF
CDBU0330-HF
Marking Code
BH
BJ
BK
XX
xx = Product type marking code
CDBU0340-HF
Suggested PAD Layout
0603/SOD-523F
SIZE
(mm)
A
B
C
D
E
1.25
0.60
1.00
1.85
0.65
(inch)
0.049
0.024
D
A
E
C
0.039
0.073
0.026
B
Standard Packaging
Qty Per Reel
Case Type
(Pcs)
0603/SOD-523F
4,000
(inch)
7
Reel Size
Company reserves the right to improve product design , functions and reliability without notice.
QW-G1076
REV:C
Comchip Technology CO., LTD.
Page 4
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