DFLF1800 Datasheet, PDF (2/4 Pages) Diodes Incorporated – 1.0A SURFACE MOUNT FAST RECOVERY RECTIFIER

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
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Output Current (see figure 4)
Non-Repetitive Peak Forward Surge Current
8.3ms Single Half Sine-Wave Superimposed on Rated Load
Symbol
V_RRM
V_RWM
V_R
I_O
I_FSM
DFLF1800
Value
Unit
800
V
1.0
A
25
A
Thermal Characteristics
Characteristic
Thermal Resistance, Junction to Ambient Air (Note 3)
Thermal Resistance, Junction to Soldering Point (Note 4)
Operating and Storage Temperature Range
Symbol
R_θJA
R_θJS
T_J, T_STG
Typ
Max
Unit
134
⎯
°C/W
⎯
6
°C/W
⎯
-65 to +150
°C
Electrical Characteristics @T_A = 25°C unless otherwise specified
Characteristic
Forward Voltage
Peak Reverse Leakage Current
Typical Total Capacitance
Reverse Recovery Time
Symbol Min Typ Max
V_FM
⎯
⎯
1.35
I_RM
⎯
⎯
10
C_T
⎯
7
⎯
t_rr
⎯
⎯
500
Unit
Test Conditions
V
I_F = 1.0A, T_J = 25°C
μA V_R = 800V, T_J = 25°C
pF V_R = 4.0VDC, f = 1MHz
ns I_F = 0.5A, I_R = 1A, I_RR = 0.25A
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. T_A = 25°C
4. Theoretical R_θJS calculated from the top center of the die straight down to the PCB/cathode tab solder junction.
10,000
1,000
100
10
1
0.1
0
0.4
0.8
1.2
1.6
V_F, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
PowerDI is a registered trademark of Diodes Incorporated.
DFLF1800
Document number: DS35083 Rev. 2 - 2
2 of 4
www.diodes.com
December 2010
© Diodes Incorporated