Page 1
A
Product Summary
V
(V) IO (A) V
RRM
40 3 0.53 0.4
(@ TA = +25°C)
(MAX)
F
(V) I
Description and Applications
The SBR3A40SAF is a single rectifier packaged in the low profile
SMAF package. Providing low VF and excellent high temperature
stability this device is ideal for use in general rectification applications
such as:
Boost Diode
Blocking Diode
Recirculating Diode
ADVANCE INFORMATION
R(MAX)
(mA)
Green
SBR3A40SAF
SURFACE MOUNT SUPER BARRIER RECTIFIER
Features and Benefits
Patented SBR technology provides an avalanche capability five
times larger than Schottky diodes, ensuring more rugged and
reliable end applications.
Lower reverse leakage ensuring greater stability at higher
temperatures
Low forward voltage (V
improving efficiency.
Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
) minimizes conduction losses and
F
Mechanical Data
Case: SMAF
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
Polarity: Cathode Band
Weight: 0.064 grams (approximate)
SMAF
Top View
3A SBR
®
Ordering Information
Part Number Case Packaging
SBR3A40SAF-13 SMAF 10000/Tape & Reel
Notes: 1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
(Note 4)
Marking Information
SBR is a registered trademark of Diodes Incorporated.
SBR3A40SAF
Document number: DS36039 Rev. 9 - 2
S V 4 = Product Type Marking Code
= Manufacturers’ code marking
YWW = Date Code Marking
Y = Last digit of year (ex: 7 for 2007)
WW = Week code (01 to 53)
B = Foundry and Assembly Code
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September 2013
© Diodes Incorporated
Page 2
N
T
N
T
N
O
U
O
R
RD C
URREN
T
S
E
OUS R
EVERS
E C
R
R
E
m
Maximum Ratings (@T
= +25°C, unless otherwise specified.)
A
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Output Current (See Figure 1)
Non-Repetitive Peak Forward Surge Current, 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
Thermal Characteristics
Characteristic Symbol Value Unit
Thermal Resistance Junction to Case (Note 5)
Thermal Resistance Junction to Ambient (Note 5)
Operating and Storage Temperature Range
ADVANCE INFORMATION
Electrical Characteristics (@T
V
RRM
V
RWM
V
RM
I
O
I
FSM
R
θJC
R
θJA
T
, T
J
STG
= +25°C, unless otherwise specified.)
A
SBR3A40SAF
40 V
3.0 A
50 A
15
85
°C/W
-65 to +150 °C
Characteristic Symbol Min Typ Max Unit Test Condition
Forward Voltage Drop
Leakage Current (Note 6)
Notes: 5. Device mounted on FR-4 substate, 1"*1", 2oz, single-sided, PC boards with 0.1"*0.15" copper pad.
6. Short duration pulse test used to minimize self-heating effect.
V
F
I
R
10
(A)
— 0.46 0.53 V
— — 0.4 mA
— — 80 mA
100
A)
NT (
10
U
IF = 3.0A, TJ = +25°C
V
= 40V, TJ = +25°C
R
V
= 40V, TJ = +125°C
R
T = 150°C
A
T = 125°C
A
1
WA
S F
E
A
0.1
A
T = 125°C
A
T = 100°C
A
T = 75°C
A
1
0.1
T = 100°C
A
T = 75°C
A
T = 150°C
A
S
F
I, I
0.01
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
T = 25°C
A
Figure 1 Typical Forward Characteristics
SBR is a registered trademark of Diodes Incorporated.
SBR3A40SAF
Document number: DS36039 Rev. 9 - 2
2 of 4
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TAN TAN
R
0.01
I , IN
20 40 60 80 100
T = 25°C
A
PERCENTAGE RATED PEAK REVERSE VOLTAGE (%)
Figure 2 Typical Reverse Characteristics
September 2013
© Diodes Incorporated
Page 3
RAG
O
RWARD CUR
RENT
C
T
O
T
CAPACIT
C
3.5
Note 5
(A)
3.0
2.5
2.0
1.5
E F
1.0
0.5
F(AV)
I, AVE
0
25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
Figure 3 Forward Current Derating Curve
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
ADVANCE INFORMATION
D
A
E
H
E
b
L
c
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
Y
X
X1
G
C
SBR3A40SAF
10,000
1,000
E (pF)
AN
100
AL
,
10
T
1
0.1 1 10 100
Figure 4 Total Capacitance vs. Reverse Voltage
V , DC REVERSE VOLTAGE (V)
R
Dim Min Max
All Dimensions in mm
Dimensions Value (in mm)
C 4.00
G 1.50
X 2.50
X1 6.50
Y 1.70
SMAF
A 0.90 1.10
b 1.25 1.65
c 0.10 0.40
D 2.25 2.95
E 3.95 4.60
HE 4.80 5.60
L 0.50 1.50
SBR is a registered trademark of Diodes Incorporated.
SBR3A40SAF
Document number: DS36039 Rev. 9 - 2
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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.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
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:
ADVANCE INFORMATION
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
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 © 2013, Diodes Incorporated
www.diodes.com
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
IMPORTANT NOTICE
LIFE SUPPORT
SBR3A40SAF
SBR is a registered trademark of Diodes Incorporated.
SBR3A40SAF
Document number: DS36039 Rev. 9 - 2
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