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DFLS240Q Datasheet, PDF (2/5 Pages) Diodes Incorporated – 2.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER PowerDI123
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
RMS Reverse Voltage
Average Forward Current
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
Symbol
VRRM
VRWM
VR
VR(RMS)
IF(AV)
IFSM
DFLS240Q
Value
Unit
40
V
28
V
2.0
A
40
A
Thermal Characteristics
Characteristic
Thermal Resistance, Junction to Ambient Air (Note 6)
Thermal Resistance, Junction to Soldering Point (Note 7)
Operating Temperature Range
Storage Temperature Range
Symbol
RθJA
RθJS
TJ
TSTG
Typ
Max
73


13
-65 to +125
-65 to +150
Unit
°C/W
°C/W
°C
°C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Reverse Breakdown Voltage (Note 8)
Forward Voltage
Leakage Current (Note 8)
Total Capacitance
Symbol Min
V(BR)R
40
VF


IR


CT

Typ

0.52
0.65


28
Max Unit

V
0.58
0.7
V
20
µA
6.0
mA

pF
Notes:
6. Part mounted on Polymide board with 2 oz., copper, 74mm2 pad layout. TA = +25°C
7. Theoretical RθJS calculated from the top center of the die straight down to the PCB/cathode tab solder junction.
8. Short duration pulse test used to minimize self-heating effect.
Test Condition
IR = 20µA
IF = 1.0A
IF = 2.0A
VR = 40V, TA = +25°C
VR = 40V, TA = +100°C
VR = 10V, f = 1.0MHz
DFLS240Q
Document number: DS38904 Rev. 1 - 2
2 of 5
www.diodes.com
May 2016
© Diodes Incorporated