Owner manual

DFLS240
Document number: DS30519 Rev. 4 - 2
1 of 3
www.diodes.com
November 2008
© Diodes Incorporated
DFLS240
PowerDI is a registered trademark of Diodes Incorporated.
2.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
PowerDI
®
123
Features
• Guard Ring Die Construction for Transient Protection
• High Current Capability
• Low Leakage Current
• Patented Interlocking Clip Design for High Surge Current
Capacity
• Lead Free Finish, RoHS Compliant (Note 4)
• "Green" Molding Compound (No Br, Sb)
• Qualified to AEC-Q101 Standards for High Reliability
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-020D
• Terminal Connections: Cathode Band
• Terminals: Finish – Matte Tin Annealed Over Copper
leadframe. Solderable per MIL-STD-202, Method 208
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.01 grams (approximate)
Maximum Ratings @T
A
= 25°C unless otherwise specified
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
V
RRM
V
RWM
V
R
40 V
RMS Reverse Voltage
V
R
(
RMS
)
28 V
Average Forward Current
I
F
(
AV
)
2.0 A
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
I
FSM
40 A
Thermal Characteristics
Characteristic Symbol Typ Max Unit
Thermal Resistance, Junction to Ambient Air (Note 1)
R
θ
JA
73
⎯
°C/W
Thermal Resistance, Junction to Soldering Point (Note 2)
R
θ
JS
⎯
13 °C/W
Operating Temperature Range
T
J
-65 to +125 °C
Storage Temperature Range
T
STG
-65 to +150 °C
Electrical Characteristics @T
A
= 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 3)
V
(
BR
)
R
40
⎯ ⎯
V
I
R
= 20μA
Forward Voltage
V
F
⎯
⎯
0.52
0.65
0.58
0.7
V
I
F
= 1.0A
I
F
= 2.0A
Leakage Current (Note 3)
I
R
⎯
⎯
⎯
⎯
20
6.0
μA
mA
V
R
= 40V, T
A
= 25°C
V
R
= 40V, T
A
= 100°C
Total Capacitance
C
T
⎯
28
⎯
pF
V
R
= 10V, f = 1.0MHz
Notes: 1. Part mounted on Polymide board with 2 oz., copper, 74mm
2
pad layout. T
A
= 25°C
2. Theoretical R
θJS
calculated from the top center of the die straight down to the PCB/cathode tab solder junction.
3. Short duration pulse test used to minimize self-heating effect.
4. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
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