SMD Schottky Barrier Diode
CDBQR42/43-HF
I
o
= 200 mA
V
R
= 30 Volts
RoHS Device
Halogen Free
Features
-Low forward voltage.
-Designed for mounting on small surface.
-Extremely thin/leadless package.
-Majority carrier conduction.
0402/SOD-923F
0.041(1.05)
0.037(0.95)
0.026(0.65)
0.022(0.55)
Mechanical data
-Case: 0402 /SOD-923F standard package,
molded plastic.
-Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
-Marking code:
CDBQR42-HF : BD
CDBQR43-HF : BE
-Mounting position: Any
-Weight: 0.001 gram(approx.).
O
0.022(0.55)
0.018(0.45)
0.012(0.30) Typ.
0.020(0.50) Typ.
Dimensions in inches and (millimeter)
Maximum Rating
(at T
A
=25 C unless otherwise noted)
Parameter
Peak reverse voltage
Reverse voltage
RMS reverse voltage
Average forward rectified current
Repetitive peak forward current
Forward current,surge peak
Power dissipation
Thermal resistance junction
to ambient air
Storage temperature
Junction temperature
O
Conditions
Symbol Min Typ Max Unit
V
RM
V
R
V
R(RMS)
I
O
I
FRM
30
30
21
200
0.5
4
125
667
-55
+125
+125
V
V
V
mA
A
A
mW
O
8.3 ms single half sine-wave superimposed
on rate load(JEDEC method)
I
FSM
P
D
R
JA
C/W
O
T
STG
T
j
C
C
O
Electrical Characteristics
(at T
A
=25 C unless otherwise noted)
Parameter
Forward voltage CDBQR42/43-HF
CDBQR42-HF
CDBQR42-HF
CDBQR43-HF
CDBQR43-HF
Reverse current
Capacitance between terminals
Reverse recovery time
I
F
= 200mA
I
F
= 10mA
I
F
= 50mA
I
F
= 2mA
I
F
= 15mA
V
R
= 25V
f = 1 MHz, and 1 VDC reverse voltage
I
F
=I
R
=10mA,Irr=0.1xIR,RL=100 ohm
Conditions
Symbol Min Typ Max Unit
V
F
1
0.4
0.65
0.33
0.45
0.5
10
5
V
I
R
C
T
T
rr
uA
pF
nS
REV:B
QW-G1101
Page 1
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
RATING AND CHARACTERISTIC CURVES (CDBQR42/43-HF)
Fig. 1 - Forward characteristics
500
1m
Fig. 2 - Reverse characteristics
Reverse current ( A )
Forward current (mA )
100
100u
125 C
O
10u
75 C
O
10
1u
1
C
75
O
C
C
O
O
C
O
100n
25 C
O
125
0.1
0
0.2
0.4
0.6
0.8
-25
25
10n
0
10
20
30
40
Forward voltage (V)
Reverse voltage (V)
Fig.3 - Capacitance between
terminals characteristics
Capacitance between terminals (
P
F)
16
120
Fig.4 - Current derating curve
Average forward current(%)
14
12
10
8
6
4
2
0
0
5
10
15
20
f=1MHz
O
T
A
=25 C
Mounting on glass epoxy PCBs
100
80
60
40
20
0
25
30
35
0
25
50
75
100
O
125
150
Reverse voltage (V)
Ambient temperature ( C)
REV:B
QW-G1101
Page 2
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
Reel Taping Specification
P
0
P
1
d
Index hole
E
T
F
B
Polarity
W
C
P
A
12
0
o
D
2
D
1
D
W
1
Trailer
.......
.......
10 pitches (min)
Device
.......
.......
.......
.......
Leader
.......
.......
10 pitches (min)
End
Start
Direction of Feed
SYMBOL
A
0.75 ± 0.10
0.026
±
0.004
B
1.15 ± 0.10
0.045
±
0.004
C
0.60 ± 0.10
0.024
±
0.004
d
1.55 + 0.10
0.061 + 0.004
D
178 ± 1
7.008
±
0.04
D
1
60.0 MIN.
2.362 MIN.
D
2
13.0 ± 0.20
0.512
±
0.008
0402
(SOD-923F)
(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
P
0
4.00 ± 0.10
0.157
±
0.004
P
1
2.00 ± 0.10
0.079
±
0.004
T
0.22 ± 0.05
0.009
±
0.002
W
8.00 ± 0.20
0.315
±
0.008
W
1
13.5 MAX.
0.531 MAX.
0402
(SOD-923F)
(mm)
(inch)
REV:B
QW-G1101
Page 3
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
Marking Code
Park Number
CDBQR42-HF
CDBQR43-HF
Marking Code
BD
BE
XX
xx = Product type marking code
Suggested PAD Layout
0402/SOD-923F
SIZE
(mm)
A
B
C
D
E
0.750
0.500
0.700
1.250
0.250
(inch)
0.030
0.020
C
D
A
E
0.028
0.049
0.010
B
Standard Package
Qty per Reel
Case Type
(Pcs)
0402/SOD-923F
5000
Reel Size
(inch)
7
REV:B
QW-G1101
Page 4
Comchip Technology CO., LTD.
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