SBR8U20SP5 (Diodes)
SUPER BARRIER RECTIFIER

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Features
Designed as Bypass Diodes for Solar Panels
Selectively Rated for 200ºC Maximum Junction Temperature for
High Thermal Reliability
Patented Super Barrier Rectifier Technology
High Forward Surge Capability
Ultra Low Forward Voltage Drop
Excellent High Temperature Stability
Lead Free Finish, RoHS Compliant (Note 1)
“Green” Molding Compound (No Br, Sb)
SBR8U20SP5
8A SBR®
SUPER BARRIER RECTIFIER
POWERDI®5
Mechanical Data
Case: POWERDI®5
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin annealed over Copper leadframe.
Solderable per MIL-STD-202, Method 208
Weight: 0.093 grams (approximate)
Top View
Bottom View
LEFT PIN
RIGHT PIN
BOTTOMSIDE
HEAT SINK
Note: Pins Left & Right must
be electrically connected
at the printed circuit board.
Ordering Information (Note 2)
Notes:
Part Number
SBR8U20SP5-13
Case
POWERDI®5
Packaging
5000/Tape & Reel
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes
2. For packaging details, go to our website at http://www.diodes.com.
Marking Information
S8U20S
YYWWK
S8U20S = Product Type Marking Code
= Manufacturers’ Code Marking
K = Factory Designator
YYWW = Date Code Marking
YY = Last Two Digits of Year (ex: 08 for 2008)
WW = Week code (01 - 53)
SBR and POWERDI are registered trademarks of Diodes Incorporated.
SBR8U20SP5
Document number: DS35668 Rev. 2 - 2
1 of 4
www.diodes.com
January 2012
© Diodes Incorporated


SBR8U20SP5 (Diodes)
SUPER BARRIER RECTIFIER

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SBR8U20SP5
Maximum Ratings @TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
Symbol
VRRM
VRWM
VRM
IO
IFSM
Value
20
8
180
Unit
V
A
A
Thermal Characteristics
Characteristic
Maximum Thermal Resistance
Thermal Resistance Junction to Ambient (Note 3)
Thermal Resistance Junction to Ambient (Note 4)
Operating Temperature Range
VR 80% VRRM
VR 50% VRRM
DC Forward Mode
Storage Temperature Range
Symbol
RθJA
RθJA
TJ
TSTG
Value
102
60
-65 to +150
180
200
-65 to +175
Unit
ºC/W
ºC
ºC
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Forward Voltage Drop
Leakage Current (Note 5)
Symbol
VF
IR
Min
-
-
-
-
Typ
0.41
0.33
0.08
0.2
Max
0.51
0.43
0.2
0.5
Unit
V
mA
Notes:
3. FR-4 PCB, 2oz. Copper, minimum recommended pad layout per http://www.diodes.com.
4. Polymide PCB, 2oz. Copper. Cathode pad dimensions 18.8mm x 14.4mm. Anode pad dimensions 5.6mm x 14.4mm.
5. Short duration pulse test used to minimize self-heating effect.
Test Condition
IF = 8A, TJ = 25ºC
IF = 8A, TJ = 125ºC
VR = 4V, TJ = 25ºC
VR = 20V, TJ = 25ºC
5.0
4.5
4.0
3.5
3.0
TA = 175°C
2.5
2.0
1.5
1.0
0.5
0
0 2 4 6 8 10
IF(AV), AVERAGE FORWARD CURRENT (A)
Fig. 1 Forward Power Dissipation
10
1 TA = 150°C
TA = 125°C
0.1
TA = 85°C
TA = 25°C
0.01
0 100 200 300 400 500
VF, INSTANTANEOUS FORWARD VOLTAGE (mV)
Fig. 2 Typical Forward Characteristics
SBR and POWERDI are registered trademarks of Diodes Incorporated.
SBR8U20SP5
Document number: DS35668 Rev. 2 - 2
2 of 4
www.diodes.com
January 2012
© Diodes Incorporated


SBR8U20SP5 (Diodes)
SUPER BARRIER RECTIFIER

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100,000
10,000
1,000
TA = 125°C
TA = 85°C
10,000
SBR8U20SP5
1,000
f = 1MHz
100
TA = 25°C
10
0 5 10 15 20
VR, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
12
10
Based on Lead Temp (TL)
8
6
4
2
0
25 50
75 100 125 150 175
TA, AMBIENT TEMPERATURE (°C)
Fig. 5 Forward Current Derating Curve
100
0.1
1
10 100
VR, DC REVERSE VOLTAGE (V)
Fig. 4 Total Capacitance vs. Reverse Voltage
Package Outline Dimensions
A
D
D2
A2
b2
L
E E1
E2
e
b1 b1
W
A2
L1
SBR and POWERDI are registered trademarks of Diodes Incorporated.
SBR8U20SP5
Document number: DS35668 Rev. 2 - 2
3 of 4
www.diodes.com
POWERDI®5
Dim Min Max
A 1.05 1.15
A2 0.33 0.43
b1 0.80 0.99
b2 1.70 1.88
D 3.90 4.05
D2 3.054 Typ
E 6.40 6.60
e 1.84 Typ
E1 5.30 5.45
E2 3.549 Typ
L 0.75 0.95
L1 0.50 0.65
W 1.10 1.41
All Dimensions in mm
January 2012
© Diodes Incorporated


SBR8U20SP5 (Diodes)
SUPER BARRIER RECTIFIER

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Suggested Pad Layout
X
SBR8U20SP5
Y
X1
(2x)
Y1
(2x)
C
G
Dimensions
C
G
X
X1
Y
Y1
Value (in mm)
1.840
0.852
3.360
1.390
4.860
1.400
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2012, Diodes Incorporated
www.diodes.com
SBR and POWERDI are registered trademarks of Diodes Incorporated.
SBR8U20SP5
Document number: DS35668 Rev. 2 - 2
4 of 4
www.diodes.com
January 2012
© Diodes Incorporated




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