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DFLS240LQ
PowerDI
®
123
Product Summary
(V)
V
VR(V) IF (A)
40 2.0 0.50 0.1
F MAX
@ +25°C
I
(mA)
R MAX
@ +25°C
Description and Applications
This Schottky Barrier Rectifier has been designed to meet the
stringent requirements of Automotive Applications. It is ideally suited
to use as :
Polarity Protection Diode
Re-circulating Diode
Switching Diode
Green
2.0A LOW VF SCHOTTKY BARRIER RECTIFIER
Features and Benefits
Guard Ring Die Construction for Transient Protection
Low Power Loss, High Efficiency
High Surge Capability
High Current Capability and Low Forward Voltage Drop
Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP Capable (Note 4)
Mechanical Data
Case: PowerDI123
Case Material: Molded Plastic, "Green" Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminal Connections: Cathode Band
Terminals: Finish – Matte Tin Annealed Over Copper
leadframe. Solderable per MIL-STD-202, Method 208
Weight: 0.01 grams (approximate)
Top View
Ordering Information (Note 5)
Part Number Compliance Case Packaging
DFLS240LQ-7 Automotive PowerDI®123 3000/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. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally
the same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
Date Code Key
Year 2014 2015 2016 2017 2018 2019 2020 2021 2022
Code B C D E F G H I J
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
PowerDI is a registered trademark of Diodes Incorporated.
DFLS240LQ
Document number: DS37066 Rev. 1 - 2
F06A
www.diodes.com
F06A = Product Type Marking Code
YM = Date Code Marking
YM
Y = Year (ex: B = 2014)
M = Month (ex: 9 = September)
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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
RMS Reverse Voltage
Average Forward Current
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
V
V
V
R(RMS)
I
F(AV)
I
RRM
RWM
VR
FSM
40 V
28 V
2.0 A
50 A
Thermal Characteristics
Characteristic Symbol Typ Max Unit
Power Dissipation (Note 6)
Power Dissipation (Note 7)
Thermal Resistance Junction to Ambient (Note 6)
Thermal Resistance Junction to Ambient (Note 7)
Thermal Resistance Junction to Soldering (Note 8)
Operating Temperature Range
Storage Temperature Range
R
R
R
T
P
PD
TJ
STG
D
JA
JA
JS
60
180
-55 to +125 °C
-55 to +150 °C
Electrical Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 10)
Forward Voltage
Leakage Current (Note 10)
Total Capacitance
Notes: 6. Part mounted on 50.8mm X 50.8mm GETEK board with 25.4mm X 25.4mm copper pad, 25% anode, 75% cathode.
7. Part mounted on FR-4 board with 1.8mm X 2.5mm cathode and 1.8mm X 1.2mm anode, 1 oz. copper pads.
8. Theoretical R
9. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html.
10. Short duration pulse test used to minimize self-heating effect.
calculated from the top center of the die straight down to the PCB cathode tab solder junction.
ΘJS
V
(BR)R
VF
IR
CT
40
0.4
0.45
0.50
90
0.45
0.50
0.65
0.1
10
0.05
5
V
V
mA
pF
PowerDI is a registered trademark of Diodes Incorporated.
DFLS240LQ
Document number: DS37066 Rev. 1 - 2
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DFLS240LQ
1.67 W
556
5 °C/W
IR = 500µA, TA = +25°C
IF = 1.0A, TA = +25°C
IF = 2.0A, TA = +25°C
IF = 3.0A, TA = +25°C
VR = 40V, TA = +25°C
VR = 40V, TA = +85°C
VR = 20V, TA = +25°C
VR = 20V, TA = +85°C
VR = 10V, f = 1.0MHz
mW
°C/W
°C/W
March 2014
© Diodes Incorporated
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I
,
INSTANT
O
US FORWARD CUR
RENT
)
TANT
O
US R
R
C
U
R
RENT
C, TOT
CAPACITANC
F
T
RAT
N
T TEMPERATUR
C
DFLS240LQ
10,000
(mA
1,000
T = 125CA°
T = 100CA°
100
10
T = 85CA°
ANE
F
1
0.1
0
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
0.2 0.4
T = 25CA°
T = -55CA°
Figure 1 Typical Forward Characteristics
450
400
)
350
E (p
300
250
200
AL
150
100
T
50
0
0 8 16 24 32 40
V , DC REVERSE VOLTAGE (V)
R
Figure 3 Total Capacitance vs. Reverse Voltage
0.6
0.8
10,000
(µA)
1,000
SE
EVE
ANE
R
I , INS
135
)
125
E (°
115
105
ED AMBIE
, DE
A
T = 125 CA°
T = 100 CA°
100
T = 85CA°
10
1.0
T = 25CA°
0.1
T = -55CA°
0.01
0 5 10 15 20 25 30
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Figure 2 Typical Reverse Characteristi cs
95
85
75
65
55
45
35
25
0
8
V , DC REVERSE VOLTAGE (V)
R
16
24
Figure 4 Operatin g Temperature Derating
35
Note 7
32 40
40
PowerDI is a registered trademark of Diodes Incorporated.
DFLS240LQ
Document number: DS37066 Rev. 1 - 2
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Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
B
C
D
L
E
L2
A
E
H
L1
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for latest version.
Y2
X1
GX2
Dimensions Value (in mm)
Y1
DFLS240LQ
PowerDI®123
Dim Min Max Typ
A 3.50 3.90 3.70
B 2.60 3.00 2.80
C 1.63 1.93 1.78
D 0.93 1.00 0.98
E 0.85 1.25 1.00
H 0.15 0.25 0.20
L 0.55 0.75 0.65
L1 1.80 2.20 2.00
L2 0.95 1.25 1.10
All Dimensions in mm
G 1.0
X1 2.2
X2 0.9
Y1 1.4
Y2 1.4
PowerDI is a registered trademark of Diodes Incorporated.
DFLS240LQ
Document number: DS37066 Rev. 1 - 2
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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.
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.
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 © 2014, Diodes Incorporated
www.diodes.com
DFLS240LQ
PowerDI is a registered trademark of Diodes Incorporated.
DFLS240LQ
Document number: DS37066 Rev. 1 - 2
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