SMD Schottky Barrier Rectifiers
Reverse Voltage: 40 to 100 Volts
Forward Current: 3.0 Amp
RoHS Device
Page 1
REV:B
CDBA340-HF Thru. CDBA3100-HF
Comchip Technology CO., LTD.
Features
-Ultra high-speed switching.
Mechanical data
-Case: Molded plastic, DO-214AC / SMA
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Indicated by cathode band.
-weight: 0.055 grams
-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.
-Epoxy: UL94-V0 rate flame retardant.
-Silicon epitaxial planar chip,metal silicon junction.
Maximum Ratings and Electrical Characteristics
Max. Repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Forward surge current
Reverse Current
Storage temperature
Units
Symbol
Parameter
VRRM
VDC
VRMS
V
V
V
A
A
mA
Max. instantaneous forward voltage
@3.0A, TA=25°C
VF
CDBA
340-HF
40
40
28
0.50
CDBA
360-HF
60
60
42
0.70
CDBA
3100-HF
100
100
70
0.81
V
Operating Temperature
TJ
-50 to +150
°C
Parameter
Conditions
on rate load (JEDEC method)
8.3ms single half sine-wave superimposed
Forward rectified current
see Fig.1
Thermal Resistance
Diode Junction capacitance
VR =VRRM TA=25°C
VR =VRRM TA=100°C
f=1MHZ and applied 4V DC reverse Voltage
Junction to ambient
Symbol
IO
IFSM
IR
RθJA
CJ
TSTG
IR
MIN. TYP. MAX.
mA
°C/W
pF
°C
3.0
70
0.5
20
55
250
-50 +175
Ratings at Ta=25°C unless otherwise noted.
Single phase, half wave, 60Hz, resistive or inductive loaded.
For capacitive load, derate current by 20% .
Units
QW-JB006
Halogen Free
Dimensions in inches and (millimeter)
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)
0.008(0.20)
0.003(0.08)
0.012 (0.30)
TYP.
0.224 (5.70)
0.185 (4.70)
0.061 (1.55)
0.030 (0.75)
0.098 (2.50)
0.067 (1.70)
Company reserves the right to improve product design , functions and reliability without notice.
