DS25006 Rev. A1-2 1 of 2 UF1501/S - UF1507/S
www.diodes.com ã Diodes Incorporated
UF1501/S - UF1507/S
1.5A ULTRA-FAST RECTIFIER
Features
“S” Suffix Designates DO-41 Package
No Suffix Designates DO-15 Package
A A
B
C
D
DO-41 DO-15
Dim Min Max Min Max
A25.40 ¾25.40 ¾
B4.06 5.21 5.50 7.62
C0.71 0.864 0.686 0.889
D2.00 2.72 2.60 3.60
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
·Surge Overload Rating to 50A 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
·DO-41 Weight: 0.35 grams (approx.)
·DO-15 Weight: 0.40 grams (approx.)
·Mounting Position: Any
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol UF
1501/S
UF
1502/S
UF
1503/S
UF
1504/S
UF
1505/S
UF
1506/S
UF
1507/S 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
(Note 1) @ TA = 50°CIO1.5 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
IFSM 50 A
Forward Voltage @ IF = 1.5A 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) Cj35 20 pF
Typical Thermal Resistance Junction to Ambient RqJA 70 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.
DS25006 Rev. A1-2 2 of 2 UF1501/S - UF1507/S
www.diodes.com
0
0.3
0.6
0.9
1.2
1
.5
25 50 75 100 125 150 175 200
I , AVERAGE FWD RECTIFIED CURRENT (A)
(AV)
T , AMBIENT TEMPERATURE (°C)
A
Fi
g
. 1 Forward Current Deratin
g
Curve
Single phase half-wave
60 Hz resistive or inductive load 0.01
0.1
1.0
10
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
UF1501 - UF1503
UF1505 - UF1507
UF1504
I , PEAK FORWARD SURGE CURRENT (A)
FSM
0
20
40
60
110100
NUMBER OF CYCLES AT 60Hz
Fi
g
. 3 Peak Forward Sur
g
e Current
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
T = 25°C
j
f= 1.0MHz
UF1501 - UF1504
UF1505 - UF1507
