KODENSHI SDB2045P-1

SDB2045P
Schottky Barrier Rectifier
LOW VOLTAGE SCHOTTKY RECTIFIER
Features
 Low forward voltage drop and leakage current
 Low power loss and High efficiency
 Guard-ring for overvoltage protection
1
 Dual common cathode rectifier
 Full lead (Pb)-free and RoHS compliant device
2
3
Pin 1, 3 : Anode
Pin 2 : Cathode
123
TO-220AB-3L
Applications
 Power supply - Output rectification
Product Characteristics
 High efficiency SMPS
IF(AV)
2 X 10A
VRRM
45V
VFM at 125℃
0.50V
IFSM
120A
 Free-wheeling diode
 Reverse battery protection
 DC to DC systems
Description
Schottky barrier rectifier designed for high frequency miniature Switched Mode Power Supplies such as
adaptors and on board DC to DC converters.
Ordering Information
Device
Marking Code
Package
Packaging
SDB2045P
SDB2045P
TO-220AB-3L
Tube
Marking Information
AUK = Manufacture Logo
Δ = Control Code of Manufacture
YMDD = Date Code Marking
AUK
△YMDD
SDB2045P
-. Y = Year Code
-. M = Monthly Code
-. DD = Daily Code
SDB2045P = Specific Device Code
KSD-D0P024-000
1
SDB2045P
Absolute Maximum Ratings (Limiting Values)
Characteristic
Symbol
Value
Unit
VRRM
VRWM
VR
45
V
Maximum repetitive reverse voltage
Maximum working peak reverse voltage
Maximum DC blocking voltage
per diode
10
Maximum average forward rectified current
IF(AV)
A
total device
20
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load per diode
IFSM
120
Storage temperature range
Tstg
-45 to +150
Maximum operating junction temperature
TJ
150
Symbol
Value
A
℃
Thermal Characteristics
Characteristic
per diode
Unit
3.0
Maximum thermal resistance junction to case
℃/W
Rth(j-c)
total device
2.8
Electrical Characteristics (Per Diode)
Characteristic
Symbol
VFM (1)
Peak forward voltage drop
IRM (1)
Reverse leakage current
Junction capacitance
Cj
Test Condition
Min.
Typ.
Max.
Tj=25℃
-
-
0.54
Tj=125℃
-
-
0.50
Tj=25℃
-
-
1.5
Tj=125℃
-
-
150
-
550
-
IFM = 10A
Unit
V
VR = VRRM
mA
VR = 5VDC, f=1MHz
pF
Note : (1) Pulse test : tP≤380us, Duty cycle≤2%
To evaluate the conduction losses use the following equation (Fig 4.) : PF = 0.35 x IF(AV) + 0.015 IF2(RMS)
IFM
Forward Voltage : VFM = Vto + rd IFM
2 IF(AV)
rd
Conduction Loss : PF = Vto IF(AV) + rd IF2(RMS)
IF(AV)
Vto
VFM
KSD-D0P024-000
2
SDB2045P
Rating and Characteristic Curves
Fig. 2) Typical Reverse Characteristics (Per diode)
㎃
Fig. 1) Typical Forward Characteristics (Per diode)
Fig. 3) Maximum Forward Derative Curve
Fig. 4) Forward Power Dissipation (Per diode)
Fig. 5) Maximum Non-Repetitive Peak Forward
Surge Current (Per diode)
Fig. 6) Typical Junction Capacitance (Per diode)
KSD-D0P024-000
3
SDB2045P
Package Outline Dimension
KSD-D0P024-000
4
SDB2045P
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-D0P024-000
5