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DFLR1800
Document number: DS35075 Rev. 2 - 2
2 of 4
www.diodes.com
December 2010
? Diodes Incorporated
DFLR1800
PowerDI is a registered trademark of Diodes Incorporated.
NEW PRODUCT
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 Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
800 V
Average Rectified Output Current (see figure 4)
IO
1.0 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single Half Sine-Wave Superimposed on Rated Load
IFSM
25 A
Thermal Characteristics
Characteristic Symbol Typ Max Unit
Thermal Resistance, Junction to Ambient Air (Note 3)
RθJA
134
?
°C/W
Thermal Resistance, Junction to Soldering Point (Note 4)
RθJS
?
6 °C/W
Operating and Storage Temperature Range
TJ, TSTG
?
-65 to +150
°C
Electrical Characteristics
@TA
= 25°C unless otherwise specified
Characteristic Symbol Value Unit
Forward Voltage @ IF
= 1.0A
VFM
1.1 V
Peak Reverse Leakage Current @ TA
= 25
°C
at Rated DC Blocking Voltage @ TA
= 125
°C
IRM
10
150
μA
Typical Total Capacitance (f = 1MHz, VR
= 4.0VDC)
CT
10 pF
Notes: 3. Device mounted on 1" x 1", FR-4 PCB; 2 oz. Cu pad layout as shown on Diodes Inc. suggested pad layout document AP02001.pdf. TA = 25°C
4. Theoretical RθJS
calculated from the top center of the die straig
ht down to the PCB/cathode tab solder junction.
V , INSTANTANEOUS FORWARD VOLTAGE (V)F
Fig. 1 Typical Forward Characteristics
I, IN
S
T
A
NT
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
NT (m
A
)
F
010.2 0.4
.80
25 50 75 100
0.6
0.8
1
1.2 1.4 1.6
1
10
100
1,000
10,000
0.0001
0.001
0.01
0.1
1
10
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 2 Typical Reverse Characteristics
I , INSTANTANEOUS REVERSE CURRENT (μA)
R
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