KODENSHI SDB320-1

SDB320
Schottky Barrier Rectifier
20V, 3A SCHOTTKY BARRIER RECTIFIER
Features
 Low forward voltage drop
1
 Low power loss and High efficiency
 Low leakage current
2
 High surge capability
1
2
Pin Configuration
Pin 1: Cathode
Pin 2: Anode
 Full lead (Pb)-free and RoHS compliant device
TO-252
SOD-106
Applications
 High efficiency SMPS
Product Characteristics
 Output rectification
 High frequency switching
 Freewheeling
 DC-DC converter systems
IF(AV)
3A
VRRM
20V
VFM at 125℃
0.40V (Typ.)
IFSM
30A
Description
The SDB320 is suited for Switch Mode Power Supply and high frequency DC to DC converters.
This device is especially intended for use in low voltage, high frequency inverters, freewheeling and
polarity protection applications.
Ordering Information
Device
Marking Code
Package
Packaging
SDB320
32C
SOD-106
Tape & Reel
Marking Information
32C = Specific Device Code
YWW = Year & Week Code Marking
-. Y = Year Code
-. WW = Week Code
= Color band denote cathode
KSD-D6A014-001
1
SDB320
Absolute Maximum Ratings (Rating at 25℃
ambient temperature unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Maximum repetitive reverse voltage
Maximum working peak reverse voltage
Maximum DC blocking voltage
VRRM
VRWM
VR
20
V
Maximum average forward rectified current
IF(AV)
3
A
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load per diode
IFSM
30
A
Storage temperature range
Tstg
-55℃ to +150℃
℃
Maximum operating junction temperature
TJ
150
℃
Symbol
Value
Unit
Rth(j-a) 1)
100
℃/W
Thermal Characteristics
Characteristic
Maximum thermal resistance junction to ambient
* 1) Device mounted on FR-4 board with recommended pad layout.
Electrical Characteristics (Rating at 25℃
Characteristic
Symbol
Peak forward voltage drop
Reverse leakage current
Typical junction capacitance
VFM 2)
IRM 2)
CJ
ambient temperature unless otherwise specified.)
Test Condition
Min.
Typ.
Max.
Unit
TJ=25℃
-
0.46
0.50
V
TJ=125℃
-
0.40
0.43
V
TJ=25℃
-
-
2
mA
TJ=125℃
-
-
50
mA
-
650
-
pF
IFM = 3A
VR = VRRM
VR=1V, f=1MHz
* 2) Pulse test: tP≤380 ㎲, Duty cycle≤2%
To evaluate the conduction losses use the following equation : PF = 0.37 IF(AV) + 0.0276 IF2(RMS)
IFM
Forward Voltage : VFM = Vto + rd IFM
2 IF(AV)
Conduction Loss : PF = Vto IF(AV) + rd IF2(RMS)
IF(AV)
VFM
KSD-D6A014-001
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SDB320
Rating and Characteristic Curves
Fig. 2) Typical Reverse Characteristics
㎃
Fig. 1) Typical Forward Characteristics
Fig. 3) Maximum Forward Derating Curve
Fig. 4) Forward Power Dissipation
Fig. 5) Typical Junction Capacitance
KSD-D6A014-001
3
SDB320
Package Outline Dimension
Recommend PCB Solder Land Dimension (Unit: mm)
KSD-D6A014-001
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SDB320
The AUK Corp. products are intended for the use as components in general electronic
equipment (Office and communication equipment, measuring equipment, home
appliance, etc.).
Please make sure that you consult with us before you use these AUK Corp. products
in equipments which require high quality and / or reliability, and in equipments which
could have major impact to the welfare of human life(atomic energy control, airplane,
spaceship, transportation, combustion control, all types of safety device, etc.). AUK
Corp. cannot accept liability to any damage which may occur in case these AUK Corp.
products were used in the mentioned equipments without prior consultation with AUK
Corp..
Specifications mentioned in this publication are subject to change without notice.
KSD-D6A014-001
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