KODENSHI SDB1545PH

SDB1545PH
Schottky Barrier Rectifier
45V, 15A POWER SCHOTTKY RECTIFIER
Features
 Low forward voltage drop
 Low power loss and High efficiency
 Low leakage current
 High surge capability
Pin Configuration
Pin 1: Cathode
Pin 2: Anode
 Full lead (Pb)-free and RoHS compliant device
Applications
TO-220F-2L
 High efficiency SMPS
Product Characteristics
 Output rectification
IF(AV)
15A
VRRM
45V
VFM at 125℃
0.58V
IFSM
210A
 High frequency switching
 Freewheeling
 DC-DC converter systems
Description
The SDB1545PH 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, free wheeling and
polarity protection applications.
Ordering Information
Device
Marking Code
Package
Packaging
SDB1545PH
SDB1545
TO-220F-2L
Tube
Marking Information
AUK = Manufacture Logo
∆ = Control Code of Manufacture
AUK
AUK
YMDD
Δ
ΔYMDD
SDB1545
SDB20D45
YMDD = Date Code Marking
-. Y = Year Code
-. M = Monthly Code
-. DD = Daily Code
SDB1545 = Specific Device Code
KSD-D0Q032-002
1
SDB1545PH
Absolute Maximum Ratings (Limiting Values)
Characteristic
Symbol
Value
Unit
Maximum repetitive reverse voltage
Maximum working peak reverse voltage
Maximum DC blocking voltage
VRRM
VRWM
VR
45
V
Maximum average forward rectified current
IF(AV)
15
A
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load per diode
IFSM
210
A
Storage temperature range
Tstg
-55℃ to +150℃
℃
Maximum operating junction temperature
TJ
150
℃
Symbol
Value
Unit
Rth(j-c)
4.0
℃/W
Thermal Characteristics
Characteristic
Maximum thermal resistance junction to case
Electrical Characteristics
Characteristic
Symbol
VFM (1)
Peak forward voltage drop
IRM (1)
Reverse leakage current
Test Condition
Min.
Typ.
Max.
Unit
Tj=25℃
-
-
0.65
V
Tj=125℃
-
0.55
0.58
V
Tj=25℃
-
-
0.5
mA
Tj=125℃
-
-
50
mA
IFM = 15A
VR = VRRM
Note: (1) Pulse test: tP≤380 ㎲, Duty cycle≤2%
To evaluate the conduction losses use the following equation (Fig 4.) : PF = 0.35 x IF(AV) + 0.012 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-D0Q032-002
2
SDB1545PH
Rating and Characteristic Curves
Fig. 2) Typical Reverse Characteristics
㎂
Fig. 1) Typical Forward Characteristics
Fig. 3) Maximum Forward Derative Curve
Fig. 4) Forward Power Dissipation
Fig. 5) Maximum Non-Repetitive Peak Forward
Surge Current
Fig. 6) Typical Junction Capacitance
KSD-D0Q032-002
3
SDB1545PH
Package Outline Dimension
KSD-D0Q032-002
4
SDB1545PH
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-D0Q032-002
5