SB520A thru SB560A
Document Number 88903
14-Jul-05
Vishay General Semiconductor
www.vishay.com
1
DO-201AD
New Product
Schottky Barrier Rectifier
Major Ratings and Characteristics
IF(AV) 5.0 A
VRRM 20 V to 60 V
IFSM 150 A
VF0.50 V, 0.70 V
Tj max. 125 °C, 150 °C
Features
• Guardring for overvoltage protection
• Very small conduction losses
• Extremely fast switching
• Low forward voltage drop
• High frequency operation
• Solder Dip 260 °C, 40 seconds
Typical Applications
For use in low voltage high frequency inverters, free
wheeling, dc-to-dc converters, and polarity protection
applications
Mechanical Data
Case: DO-201AD
Epoxy meets UL 94V-0 Flammability rating
Terminals: Matte tin plated leads, solderable per
J-STD-002B and JESD22-B102D
E3 suffix for commercial grade
Polarity: Color band denotes the cathode end
Maximum Ratings
TA = 25 °C unless otherwise specified
Parameter Symbol SB520A SB530A SB540A SB550A SB560A Unit
Maximum repetitive peak reverse voltage VRRM 20 30 40 50 60 V
Maximum RMS voltage VRMS 14 21 28 35 42 V
Maximum DC blocking voltage VDC 20 30 40 50 60 V
Maximum average forward rectified current
0.375" (9.5 mm) lead length (see Fig.1)
IF(AV) 5.0 A
Peak forward surge current, 8.3 ms single half sine-
wave superimposed on rated load
IFSM 150 A
Operating junction temperature range TJ - 65 to + 125 - 65 to + 150 °C
Storage temperature range TSTG - 65 to + 150 °C
www.vishay.com
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Document Number 88903
14-Jul-05
SB520A thru SB560A
Vishay General Semiconductor
Electrical Characteristics
TA = 25 °C unless otherwise specified
Notes:
(1) Pulse test: 300 µs pulse width, 1 % duty cycle
Thermal Characteristics
TA = 25 °C unless otherwise specified
Notes:
(1) Thermal resistance from junction to lead vertical P.C.B. mounting, 0.375" (9.5 mm) lead length
Ratings and Characteristics Curves
(TA = 25 °C unless otherwise noted)
Parameter Test condition Symbol SB520A SB530A SB540A SB550A SB560A Unit
Maximum instantaneous forward
voltage
at 5.0 A(1) VF 0.50 0.70 V
Maximum instantaneous reverse
current at rated DC blocking
voltage(1)
TA = 25 °C
TA = 100 °C
IR 0.5 mA
50 25
Parameter Symbol SB520A SB530A SB540A SB550A SB560A Unit
Typical thermal resistance (1) RθJA
RθJC
RθJL
25
10
8
°C/W
Figure 1. Forward Current Derating Curve
020 40 60 80 100 120 150
0
1.0
2.0
3.0
5.0
4.0
Average Forward Current (A)
Lead Temperature (°C)
Resistive or Inductive Load
0.375" (9.5mm) lead length
SB520 - SB540
SB550 & SB560
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
110 100
30
60
90
0
180
150
120
Peak Forward Surge Current (A)
Number of Cycles at 60 Hz
SB520A thru SB560A
Document Number 88903
14-Jul-05
Vishay General Semiconductor
www.vishay.com
3
Package outline dimensions in inches (millimeters)
Figure 3. Typical Instantaneous Forward Characteristics
Figure 4. Typical Reverse Characteristics
Instantaneous Forward Voltage (V)
00.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
0.01
0.1
1
10
50
Instantaneous Forward Current (A)
SB520 - SB540
SB550 & SB560
Pulse Width = 300µs
1% Duty Cycle
T
J
= 25°C
T
J
= 125°C
020 40 60 80 100
0.001
0.01
0.1
1
10
100
Instantaneous Reverse Current (mA)
Percent of Rated Peak Reverse Voltage (%)
SB520 - SB540
SB550 & SB560
T
J
=25°C
T
J
=75°C
0.0001
T
J
= 125°C
Figure 5. Typical Junction Capacitance
Figure 6. Typical Transient Thermal Impedance
100
1,000
10
1.0 10 100
Junction Capacitance (pF)
Reverse Voltage (V)
T
J
= 25°C
f=1.0 MH
Z
V
sig
=50mVp-p
SB520 - SB540
SB550 & SB560
0.1 110
0.1
10
1
100
100
0.01
Transient Thermal Impedance (°C/W)
t, Pulse Duration (sec.)
0.210 (5.3)
0.190 (4.8)
Dia.
0.052 (1.32)
0.048 (1.22)
Dia.
1.0 (25.4)
Min.
0.375 (9.5)
0.285 (7.2)
1.0 (25.4)
Min.
DO-201AD
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
