Low V
F
SMD Schottky Barrier Rectifiers
CDBZ2120L-HF Thru. CDBZ2140L-HF
Reverse Voltage: 20 to 40 Volts
Forward Current: 1.0 Amp
RoHS Device
Halogen free
0.063(1.60)
Typ.
Z2PAK
0.142(3.60)
0.126(3.20)
0.002(0.05)
Features
- Lead less chip form, no lead damage.
- Low power loss, High efficiency.
- High current capability, low VF.
- Plastic package has UL 94V-0.
0.083(2.10)
0.067(1.70)
R 0.012(0.30)
0.035(0.90)
0.020(0.50)
0.046(1.16)
0.034(0.86)
0.035(0.90)
0.020(0.50)
Mechanical data
0.098(2.50)
0.083(2.10)
0.018(0.45)
0.016(0.41)
- Case: Packed with FRP substrate and epoxy underfilled.
- Terminals: Pure Tin plated (Lead-Free), solderable per
MIL-STD-750, method 2026.
- Weight : 0.012 grams(approx.).
Dimensions in inches and (millimeter)
Circuit Diagram
1
2
Maximum Ratings
(at TA=25°C unless otherwise noted)
Parameter
Repetitive peak reverse voltage
Average forward current
Peak forward surge current (8.3ms single half sine-wave)
Operating junction temperature range
Storage temperature range
Symbol
V
RRM
I
F(AV)
I
FSM
T
J
T
STG
CDBZ2120L-HF
20
1.0
20
CDBZ2140L-HF
40
Unit
V
A
A
°C
°C
-55 to +125
-55 to +150
Electrical Characteristics
(at TA=25°C unless otherwise noted)
Parameter
Symbol
I
F
= 0.1 A
Forward voltage (NOTE 1)
V
F
I
F
= 0.5 A
I
F
= 1.0 A
Repetitive peak reverse current
(NOTE 1)
Junction capacitance
I
RRM
C
J
R
θJA
Thermal resistance
R
θJL
Junction to lead (NOTE 2)
-
28
-
°C/W
V
R
= Max. V
RRM
, T
A
= 25°C
V
R
= 4V, f = 1.0 MHz
Junction to ambient (NOTE 2)
Conditions
Min.
-
-
-
-
-
-
Typ.
0.32
0.40
0.46
0.015
110
88
Max.
-
-
0.50
0.2
-
-
Unit
V
mA
pF
°C/W
NOTES : (1) Pulse test width PW=300usec , 1% duty cycle.
(2) Mounted on P.C. board with 0.2 x 0.2"(5.0 x5.0mm) copper pad areas.
Company reserves the right to improve product design , functions and reliability without notice.
QW-JL033
REV:B
Page 1
Comchip Technology CO., LTD.
Low V
F
SMD Schottky Barrier Rectifiers
RATING AND CHARACTERISTIC CURVES (CDBZ2120L-HF Thru. CDBZ2140L-HF)
Fig.1 - Typical Forward Current
Derating Curve
1.4
Fig.2 - Typical Forward Characteristics
10
Average Forward Current, (A)
1.2
1.0
RESISTIVE OR
INDUCTIVE LOAD
P.C.B. MOUNTED ON
0.2X0.2"(5.0X5.0mm)
COPPER PAD AREAS
Instantaneous Forward Current, (A)
1
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
0.1
0.01
0.001
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Case Temperature, (°C)
Forward Voltage, (V)
Fig.3 - Non-repetitive Forward
Surge Current
25
8.3ms single half sine-wave
Fig.4 - Typical Reverse Characteristics
100
Peak Forward Surge Current, (A)
20
InstantaneousReverse
Leakage Current, (mA)
10
15
1.0
T
J
=100°C
10
0.1
5
0.01
T
J
=25°C
0
0.001
1
10
100
0
20
40
60
80
100
Number of Cycles at 60Hz
Percent of Rated Peak Reverse Voltage, (%)
Fig.5 - Typical Junction Capacitance
400
T
J
=25°C
f=1.0MHz
Vsig=50mVP-P
Junction Capacitance, (pF)
100
10
0
1
10
100
Reverse Voltage, (V)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JL033
REV:B
Page 2
Comchip Technology CO., LTD.
Low V
F
SMD Schottky Barrier Rectifiers
Reel Taping Specification
P
0
P
1
d
Index hole
E
F
B
P
A
W
C
12
0
o
D
2
D
1
D
W
1
Trailer
.......
.......
160mm (min)
Device
.......
.......
.......
.......
Leader
.......
.......
400mm (min)
End
Start
Direction of Feed
SYMBOL
Z2PAK
(mm)
(inch)
SYMBOL
Z2PAK
(mm)
(inch)
A
2.20 ± 0.10
0.087 ± 0.004
B
3.65 ± 0.10
0.144 ± 0.004
C
1.28 ± 0.10
0.050 ± 0.004
d
1.50 ± 0.10
0.059 ± 0.004
D
178.00 ± 2.00
7.008 ± 0.079
D
1
50.00 MIN.
1.969 MIN.
D
2
13.00 ± 0.50
0.512 ± 0.020
E
1.75 ± 0.10
0.069 ± 0.004
F
5.50 ± 0.05
0.217 ± 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
W
12.00 ± 0.30
0.472 ± 0.012
W
1
18.70 MAX.
0.736 MAX.
Company reserves the right to improve product design , functions and reliability without notice.
QW-JL033
REV:B
Page 3
Comchip Technology CO., LTD.
Low V
F
SMD Schottky Barrier Rectifiers
Marking Code
Cathode mark
Part Number
CDBZ2120L-HF
CDBZ2140L-HF
Marking Code
A2.
A4.
Amps class
Halogen Free
Voltage class
AX.
Suggested PAD Layout
0.026(0.67)
MAX.
0.107(2.73)
MIN.
0.034(0.86)
MIN.
0.063(1.60)
MIN.
0.168(4.26)
REF.
NOTES :
1. Dimensions in inches and (millimeter)
2. The Layout is just for reference.
Standard Packaging
REEL PACK
Case Type
REEL
( pcs )
Reel Size
(inch)
Z2PAK
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
QW-JL033
REV:B
Page 4
Comchip Technology CO., LTD.
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