SB520 thru SB540
SCHOTTKY BARRIER RECTIFIERS REVERSE VOLTAGE –
20
to
40
Volts
FORWARD CURRENT –
5.0
Amperes
FEATURES
• Metal-Semiconductor junction with guard ring
• Epitaxial construction
• Low forward voltage drop
• High current capability
•The plastic material carries UL recognition 94V-0
• For use in low voltage, high frequency inverters, free
wheeling, and polarity protection application
• IEC 61000-4-2, level 4 (ESD), > 15KV (air)
MECHANICAL DATA
• Case: JEDEC DO-201AD molded plastic
• Polarity: Color band denotes cathode
• Weight:0.04 ounces, 1.1 grams
• Mounting position: Any
DO-201AD
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
°C
ambient temperature unless otherwise specified.
CHARACTERISTICS SYMBOL
SB520 SB530 SB540 UNIT
Maximum Repetitive Peak Reverse Voltage V
RRM
20 30 40 V
Maximum RMS Voltage V
RMS
14 21 28 V
Maximum DC Blocking Voltage VDC 20 30 40 A
Maximum Average Forward @TC=110°C
Rectified Current I
AV
5.0 A
Peak Forward Surge 8.3ms single half
sine-wave superimposed on rated load I
FSM
150 A
Maximum Forward Voltage at 5.0A DC V
F
0.55 V
Maximum DC Reverse Current @Tj=25°C
at Rated DC Blocking Voltage @Tj=100°C I
R
0.15
20
mA
Typical Thermal Resistance (Note 1) R
Θ
JL
9.0 °C/W
Typical Junction Capacitance (Note 2) Cj 300 pF
Operating Junction Temperature Range Tj -55 to +150 °C
Storage Temperature Range T
STG
-55 to +150 °C
Note: (1) Thermal Resistance Junction to Lead..
(2) Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
REV.7, Sep-2012, KDHF12
RATING AND CHARACTERISTIC CURVES
SB520 thru SB540
FIG.1- FORWARD CURRENT DERATING CURVE
0
1
2
3
4
5
6
0 25 50 75 100 125 150
CASE T EMPER ATUR E, ( ℃)
AVERAGE FO RWAR D CURRENT, (A)
FIG.2- MAXIMUM NON-REPETITIVE SURGE
CURRENT
0
50
100
150
200
1 10 100
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT, (A)
FIG.3- TYPICAL JUNCTION CAPACITANCE
100
1000
1 10 100
REVERSE VOLTAGE, VOLTAGES
CAPACITANCE, (pF)
FIG.4- TYPICAL FORWARD CHARACTERISTICS
0.01
0.1
1
10
100
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
INSTANTANEOUS FORWARD CURRENT , ( A)
FIG.5- TYPICAL REVERSE CHARACTERISTICS
0.001
0.01
0.1
1
10
10 0
0 20 40 60 80 100 120 140
PERCENT OF R ATED PEAK RE VERSE VOLTAGE, (% )
INST ANT ANEOU S REVERSE CURRENT, (mA)
FIG.6- DC REVERSE VOLTAGE DERATING CURVE
0
20
40
60
80
100
120
0 25 50 75 100 12 5 15 0
AMBIENT TEMPERATURE, ( ℃)
PERCE NT OF D C REVE RSE VOLTAGE, (% )
Tj=100
℃
Tj=25℃
Tj=25℃
PULSE WIDTH 300us
2% Duty Cycle
Tj=25℃, f=1MHz
8.3ms Single Half Sine-Wave
Mounted pad on glass-epoxy
substrate with 1oz/ft
2
_
ø
5mm
Through hole diameter_1.5mm
Rth j-a=50 /W℃
Tj=125℃
Legal Disclaimer Notice
SB520 thru SB540
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.
