SMD Schottky Barrier Rectifiers
CDBA3150-HF Thru. CDBA3200-HF
Reverse Voltage: 150 to 200 Volts
Forward Current: 3.0 Amp
RoHS Device
Halogen Free
Features
-Low Profile surface mount applications
in order to optimize board space.
-Low power loss, high efficiency.
-High current capability, low forward voltage drop.
-High surge capability.
-Guard ring for overvoltage protection.
-Ultra high-speed switching.
-Silicon epitaxial planar chip,metal silicon junction.
0.012 (0.30)
TYP.
0.098 (2.50)
0.067 (1.70)
DO-214AC (SMA)
0.067 (1.70)
0.047 (1.20)
0.114 (2.90)
0.083 (2.10)
0.187 (4.75)
0.157 (4.00)
Mechanical data
-Epoxy: UL94-V0 rate flame retardant.
-Case: Molded plastic, DO-214AC / SMA
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Indicated by cathode band.
-weight: 0.055 grams
0.061 (1.55)
0.030 (0.75)
0.008(0.20)
0.003(0.08)
0.224 (5.70)
0.185 (4.70)
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characteristics
Ratings at Ta=25°C unless otherwise noted.
Single phase, half wave, 60Hz, resistive or inductive loaded.
For capacitive load, derate current by 20% .
Parameter
Max. Repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Max. Instantaneous forward voltage @ 3.0A, T
A
=25°C
Operating Temperature
Symbol
V
RRM
V
DC
V
RMS
V
F
T
J
CDBA
3150-HF
150
150
105
0.87
-50 to +175
CDBA
3200-HF
200
200
140
0.90
Units
V
V
V
V
°C
Parameter
Forward rectified current
Forward surge current
Reverse Current
see Fig.1
Conditions
Symbol
I
O
I
FSM
I
R
I
R
R
θJA
C
J
T
STG
MIN.
TYP.
MAX.
3.0
70
0.5
20
Units
A
A
mA
mA
°C/W
pF
8.3ms single half sine-wave superimposed
on rate load (JEDEC method)
V
R
=V
RRM
T
A
=25°C
V
R
=V
RRM
T
A
=100°C
Thermal Resistance
Junction to ambient
55
250
-50
+175
Diode Junction capacitance f=1MH
Z
and applied 4V DC reverse Voltage
Storage temperature
°C
REV: C
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB017
Page 1
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
RATING AND CHARACTERISTIC CURVES (CDBA3150-HF thru. CDBA3200-HF)
Fig.1 - Typical Forward Current
Derating Curve
INSTANTANEOUS FORWARD CURRENT, (A)
100
Fig.2 - Typical Forward Characteristics
3.0
Average Forward Current, (A)
10
2.5
2.0
1.5
1.0
0.5
1
TJ=25°C
Pulse Width 300us
1% Duty Cycle
0.1
0
0
25
50
75
100
125
150
175
0.01
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
Ambient Temperature, (
O
C)
Forward Voltage, (V)
Fig.3 - Maximum Non-repetitive Forward
Surge Current
100
Fig.4 - Typical Junction Capacitance
700
600
Peak Forward Surge Current, (A)
T
J
=25
O
C
8.3ms single half sine
wave, JEDEC method
Junction Capacitance, (pF)
80
500
400
300
60
40
200
100
20
0
1
10
100
0
0.01
0.1
1
10
100
Number of Cycles at 60Hz
Reverse Voltage, (V)
Fig.5 - Typical Reverse Characteristics
100
Reverse Leakage Current, (mA)
10
1.0
T
J
=125 °C
0.1
T
J
=25 °C
0.01
0
20
40
60
80
100
120
140
Percent of Rated Peak Reverse Voltage, (%)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB017
REV: C
Page 2
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Marking Code
Part Number
CDBA3150-HF
CDBA3200-HF
Marking Code
Cathod Band
SK315
SK320
XXXXX
xxxxx = Product type marking code
Suggested PAD Layout
DO-214AC (SMA)
SIZE
(mm)
A
B
C
D
E
4.00
2.50
1.70
6.50
1.50
(inch)
0.157
0.098
D
A
E
C
0.068
0.256
B
0.060
Standard Packaging
REEL PACK
Case Type
DO-214AC
(SMA)
REEL
( pcs )
Reel Size
(inch)
5,000
13
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB017
REV: C
Page 4
Comchip Technology CO., LTD.