Diodes DFLS120LQ User Manual

Product Summary

(V)

V

VR(V) IF (A)

20 1.0 0.36 1.0

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

1.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER

Features

 Guard Ring Die Construction for Transient Protection
 Low Power Loss, High Efficiency
 Patented Interlocking Clip Design for High Surge Current

Capacity

 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 (See Note 4)

DFLS120LQ

PowerDI

®

123

Mechanical Data

 Case: PowerDI®123
 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

DFLS120LQ-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

Code

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.

2014 2015 2016 2017 2018 2019 2020 2021 2022

B C D E F G H I J

F02

YM

DFLS120LQ

Document number: DS37059 Rev. 1 - 2

F02 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: B = 2014)
M = Month (ex: 9 = September)

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)

)

(BR)

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

Thermal Characteristics

Characteristic Symbol Value 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

V
V

V

R(RMS

I

I

R
R
R

T

RRM

RWM

VR

F(AV

FSM

P
PD

θJA

θJA

θJS

TJ

STG

DFLS120LQ

D

20 V

14 V

1.0 A

50 A

1.67 W
556 mW

60 °C/W

180

C/W

10 °C/W

-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. TA = +25°C.

10. Short duration pulse test used to minimize self-heating effect.

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. T

8. Theoretical R

9. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.

calculated from the top center of the die straight down to the PCB/cathode tab solder junction.

θJS

V

VF

IR

CT 

20

R








 

0.20

0.30

0.32

0.26


75




0.36



1.0


V

IR = 1.0mA
IF = 0.1A

V

IF = 0.7A
IF = 1.0A
VR = 5V, TA = +25°C

mA

VR = 20V, TA = +25°C

pF

VR = 10V, f = 1.0MHz

= +25°C.

A

PowerDI is a registered trademark of Diodes Incorporated.

DFLS120LQ

Document number: DS37059 Rev. 1 - 2

2 of 5

www.diodes.com

March 2014

© Diodes Incorporated