Dfls140q, Maximum ratings, Thermal characteristics – Diodes DFLS140Q User Manual
Page 2: Electrical characteristics
PowerDI is a registered trademark of Diodes Incorporated.
DFLS140Q
Document number: DS37062 Rev. 1 - 2
2 of 5
March 2014
© Diodes Incorporated
DFLS140Q
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 @ T
T
= +119°C
I
F(AV)
1.1 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 Value Unit
Power Dissipation (Note 6)
P
D
1.67 W
Power Dissipation (Note 7)
P
D
556 mW
Thermal Resistance Junction to Ambient (Note 6)
R
θJA
60 °C/W
Thermal Resistance Junction to Ambient (Note 7)
R
θJA
180 °C/W
Thermal Resistance Junction to Soldering (Note 8)
R
θJS
10 °C/W
Operating Temperature Range
T
J
-55 to +125
°C
Storage Temperature Range
T
STG
-55 to +150
°C
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Min
Typ
Max
Unit
Test
Condition
Reverse Breakdown Voltage (Note 9)
V
(BR)R
40
V
I
R
= 20μA
Forward Voltage
V
F
0.45
0.53
0.51
V
I
F
= 0.5A
I
F
=1.1A
Leakage Current (Note 9)
I
R
20
6.0
μA
mA
V
R
= 40V, T
J
= +25°C
V
R
= 40V, T
J
= +100°C
Total Capacitance
C
T
28
pF
V
R
= 10V, f = 1.0MHz
Notes:
6. Part mounted on 50.8mm X 50.8mm GETEK board with 25.4mm X 25.4mm copper pad, 25% anode, 75% cathode. T
A
= +25°C
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
A
= +25°C
8. Theoretical R
θJS
calculated from the top center of the die straight down to the PCB/cathode tab solder junction.
9. Short duration pulse test used to minimize self-heating effect.
0.001
0.01
10
1
0.1
0.2
0
0.4
0.6
0.8
1.0
1.4
1.2
1.6
I,
IN
S
TAN
TANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(A
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
F
0.0001
0.001
10
10,000
10
5
15
20
30
40
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
R
25
35
0.01
0.1
1.0
100
1,000