DS25002 Rev. D1-2 1 of 2 UF1001 - UF1007
www.diodes.com ã Diodes Incorporated
UF1001 - UF1007
1.0A ULTRA-FAST RECTIFIER
Features
A A
B
C
D
DO-41
Dim Min Max
A25.40 ¾
B4.06 5.21
C0.71 0.864
D2.00 2.72
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @ TA = 25°C unless otherwise specified
·Diffused Junction
·Ultra-Fast Switching for High Efficiency
·High Current Capability and Low Forward
Voltage Drop
·Low Reverse Leakage Current
·Surge Overload Rating to 30A Peak
·Low Reverse Leakage Current
·Plastic Material: UL Flammability
Classification Rating 94V-0
Mechanical Data
·Case: Molded Plastic
·Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
·Polarity: Cathode Band
·Marking: Type Number
·Weight: 0.35 grams (approx.)
·Mounting Position: Any
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol UF
1001
UF
1002
UF
1003
UF
1004
UF
1005
UF
1006
UF
1007 Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
50 100 200 400 600 800 1000 V
RMS Reverse Voltage VR(RMS) 35 70 140 280 420 560 700 V
Average Rectified Output Current @ TA = 55°C
(Note 1) IO1.0 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
IFSM 30 A
Forward Voltage @ IF = 1.0A VFM 1.0 1.3 1.7 V
Peak Reverse Current @ TA = 25°C
at Rated DC Blocking Voltage @ TA = 100°CIRM 5.0
100 mA
Reverse Recovery Time (Note 3) trr 50 75 ns
Typical Junction Capacitance (Note 2) Cj20 10 pF
Typical Thermal Resistance Junction to Ambient RqJA 95 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Notes: 1. Valid provided that leads are maintained at ambient temperature at a distance of 9.5mm from the case.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Measured with IF = 0.5A, IR = 1.0A, Irr = 0.25A. See figure 5.
DS25002 Rev. D1-2 2 of 2 UF1001 - UF1007
www.diodes.com
0.01
0.1
1.0
10
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
I , INSTANTANEOUS FORWARD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fi
g
.2 T
y
pical Forward Characteristics
UF1001 - UF1003
UF1005 - UF1007
UF1004
10
20
30
0
110100
I , PEAK FORWARD SURGE CURRENT (A)
FSM
NUMBER OF CYCLES AT 60Hz
Fi
g
. 3 Peak Forward Sur
g
e Current
Pulse width
8.3 ms single half-sine-wave
(JEDEC method)
50V DC
Approx
Oscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
trr
Set time base for 50/100 ns/cm
+0.5A
0A
-0.25A
-1.0A
Fi
g
. 5 Reverse Recover
y
Time Characteristic and Test Circuit
(+)
(+)
(-)
(-)
1
10
100
110100
C , CAPACITANCE (pF)
j
V , REVERSE VOLTAGE (V)
R
Fi
g
.4 T
y
pical Junction Capacitance
UF1001 - UF1004
UF1005 - UF1007
T = 25°C
j
f = 1.0MHz
0
0.25
0.50
0.75
1
.
00
02550
75 100 125 150 175
I , AVERAGE FWD RECTIFIED CURRENT (A)
(AV)
T , AMBIENT TEMPERATURE (°C)
A
Fi
g
. 1 Forward Current Deratin
g
Curve
Single phase half wave
Resistive or Inductive load
