SB120 thru SB140
SCHOTTKY BARRIER RECTIFIERS REVERSE VOLTAGE –
20
to
40
Volts
FORWARD CURRENT –
1.0
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-41 molded plastic
• Polarity: Color band denotes cathode
• Weight:0.012 ounces, 0.34 grams
• Mounting position: Any
DO-41
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
°C
ambient temperature unless otherwise specified.
CHARACTERISTICS SYMBOL
SB120 SB130 SB140 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 V
Maximum Average Forward Rectified Current
0.395”(9.5mm) Lead length @T
L
=105°C
I
AV
1.0 A
Peak Forward Surge 8.3ms single half
sine-wave super imposed on rated load I
FSM
40 A
Maximum forward Voltage at 1.0A DC V
F
0.5 V
Maximum DC Reverse Current @Tj=25°C
at Rated DC Blocking Voltage @Tj=100°C
I
R
0.1
10 mA
Typical Junction Capacitance(Note 1) Cj 50 pF
Typical Thermal Resistance (Note 2) R
Θ
JL
35 °C/W
Operating Temperature Range Tj -55 to +125 °C
Storage Temperature Range T
STG
-55 to +150 °C
REV. 3, Mar-2012, KDHC06
Note :
(1) Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
(2) Thermal Resistance Junction to Lead
RATING AND CHARACTERISTIC CURVES
SB120 thru SB140
FIG.1- FORWARD CURRENT DERATING CURVE
0
0.2
0.4
0.6
0.8
1
1.2
0 25 50 75 100 125
LEAD TEMPERATURE, ( ℃)
AVERAGE FORWARD CURRENT, (A)
FIG.2- MAXIMUM NON-REPETITIVE SURGE
CURRENT
0
5
10
15
20
25
30
35
40
1 10 100
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT , (A)
FIG.3- TYPICAL JUNCTION CAPACITANCE
10
100
1 10 100
REVERSE VOLTAGE, (V)
CAPACITANCE, (pF)
FIG.3- TYPICAL FORWARD CHARACTERISTICS
0.01
0.1
1
10
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5
INSTANTANEOUS F ORWARD VOLT AGE, (V)
INSTANTANEOUS FORWARD CURRENT , (A)
FIG.5- TYPICAL REVERSE CHARACTERISTICS
0.0001
0.001
0.01
0.1
1
10
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLT AGE, (%)
INSTANTANEOUS REVERSE CURRENT, (mA)
FIG.6- DC REVERSE VOLTAGE DERATING CURVE
0
20
40
60
80
100
120
0 25 50 75 100 125
AMBIENT TEMPERATURE, ( ℃)
PERCENT OF DC REVERSE VOLTA GE, (%)
Tj=25
℃
Tj=25
℃
Tj=25℃, f=1MHz
8.3ms Single Half Sine-Wave
Tj=100℃
Mounted pad on glass
-
epoxy
substrate with 1oz/ft
2
_2x2mm
Thr
ou
gh hole diameter_1.0mm
Rth j-a in Still-air=60℃/W
Legal Disclaimer Notice
SB120 thru SB140
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.
