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SMD Schottky Barrier Diode
SMD Diodes Specialist
CDBU0145-HF
Io = 100 mA VR = 45 Volts Features
Halogen free.
(RoHS Device)
0603(1608)
0.071(1.80) 0.063(1.60)
Designed for mounting on small surface. Extremely thin/leadless package. Low leakage current. (IR=0.1uA typ.@VR=10V) Majority carrier conduction.
0.039(1.00) 0.031(0.80)
Mechanical data
Case: 0603(1608) standard package, molded plastic. Terminals: Gold plated, solderable per MIL-STD-750,method 2026. Marking code: cathode band & B4 Mounting position: Any
0.028(0.70) Typ. 0.014(0.35) Typ.
0.033(0.85) 0.027(0.70)
0.012 (0.30) Typ.
Dimensions in inches and (millimeter)
Weight: 0.003 gram(approx.).
Maximum Rating (at TA=25 C unless otherwise noted)
O
Parameter
Repetitive peak reverse voltage Reverse voltage Average forward current Forward current,surge peak Power Dissipation Sunction temperature Junction temperature
Conditions
Symbol Min Typ Max Unit
VRRM VR IO
50
45 100 1000 150 -40 +125 +125
V V mA mA mW
O
8.3 ms single half sine-wave superimposed on rate load(JEDEC method)
IFSM PD TSTG Tj
C C
O
Electrical Characteristics (at TA=25 C unless otherwise noted)
O
Parameter
Forward voltage Reverse current Capacitance between terimnals VR = 10V
Conditions
IF = 100 mA DC
Symbol Min Typ Max Unit
VF IR CT 9 0.55 1 V uA pF
F = 1 MHZ and 10 VDC reverse voltage
REV:A
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Page 1
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBU0145-HF)
Fig. 1 - Forward characteristics
1000 10m 1m
Fig. 2 - Reverse characteristics
Forward current (mA )
Reverse current ( A )
100
125 C
O
100u 10u 1u
25 C
O
10
75 C
O
1
5O C
C
0.1
75
0.01
-25
12
25
100n 10n 1n
C
C
O
O
O
-25 C
O
0.001 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
0
10
20
30
40
Forward voltage (V)
Reverse voltage (V)
Fig.3 - Capacitance between terminals characteristics
Capacitance between terminals (PF)
100
Fig.4 - Current derating curve
Mounting on glass epoxy PCBs
Average forward current(%)
3 5
f = 1 MHz Ta = 25 C
100
80
10
60
40
20
1
0
5
0
0 25 50 75 100
O
1 0
5 1
2 0
2 5
3 0
125
150
Reverse voltage (V)
Ambient temperature ( C)
REV:A
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Page 2
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
Reel Taping Specification
P0 P1 d Index hole E T
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
1.00 0.10
0.039 0.004
B
1.85 0.10
0.073 0.004
C
1.00 0.10
0.039 0.004
d
1.55 0.05
0.061 0.002
D
178 1
7.008 0.04
D1
60.0 MIN.
2.362 MIN.
D2
13.0 0.20
0.512 0.008
U/0603
(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 0.004
T
0.23 0.05
0.009 0.002
W
8.00 0.20
0.315 0.008
W1
13.5 MAX.
0.531 MAX.
U/0603
(mm) (inch)
REV:A
QW-G1040
Page 3
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
Marking Code
Park Number CDBU0145-HF Marking Code
B4
B4
Suggested PAD Layout
U/0603 SIZE (mm) A B C D E 1.70 0.60 0.80 2.30 1.10 (inch) 0.067 0.024 0.031
C D A E
0.091
B
0.043
Standard Package
Qty per Reel Case Type (Pcs) U/0603 4000 Reel Size (inch) 7
REV:A
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Page 4
Comchip Technology CO., LTD.

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