MOSPEC
Switchmode
Full Plastic Dual Ultrafast Power Rectifiers
Designed for use in switching power supplies. inverters and as free
wheeling diodes. These state-of-the-art devices have the following features:
＊High
Surge Capacity
＊Low
Power Loss, High efficiency
＊Glass
Passivated chip junctions
＊150℃
Operating Junction Temperature
＊Low
Stored Charge Majority Carrier Conduction
＊Low
Forward Voltage , High Current Capability
＊High-Switching
Speed 50 & 75 Nanosecond Recovery Time
＊Plastic
Material used Carries Underwriters Laboratory
URAF0870 Thru URAF08100
ULTRA FAST
RECTIFIERS
8 AMPERES
700-1000 VOLTS
MAXIMUM RATINGS
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectifier Forward Current
Per Leg
T
C
=125℃
Peak Repetitive Forward Current
(Rate V
R
, Square Wave, 20kHz,T
C
=125℃)
ITO-220AC
Symbol
70
V
RRM
V
RWM
V
R
V
R(RMS)
I
F(AV)
I
FM
700
URAF08
80
800
90
900
100
1000
V
Unit
490
560
8.0
16
630
700
V
A
A
DIM
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
O
Q
Non-Repetitive Peak Surge Current
(Surge applied at rate load conditions
halfware, single phase, 60Hz)
Operating and Storage Junction
Temperature Range
I
FSM
100
A
T
J
, T
stg
-65 to +125
℃
ELECTRIAL CHARACTERISTICS
Characteristic
Maximum Instantaneous Forward Voltage
( I
F
=8 Amp T
C
= 25℃)
( I
F
=8 Amp T
C
= 25℃)
Maximum Instantaneous Reverse Current
( Rated DC Voltage, T
C
= 25℃)
( Rated DC Voltage, T
C
= 125℃)
Reverse Recovery Time
( I
F
= 0.5 A, I
R
=1.0 , I
rr
=0.25 A )
Typical Junction Capacitance
(Reverse Voltage of 4 volts & f=1 MHz)
Symbol
70
V
F
URAF08
80
1.75
1.56
90
100
V
Unit
MILLIMETERS
MIN
MAX
15.05
15.15
13.35
13.45
10.00
10.10
6.55
6.65
2.65
2.75
1.55
1.65
1.15
1.25
0.55
0.65
2.50
2.60
3.00
3.20
1.10
1.20
0.55
0.65
4.40
4.60
1.15
1.25
2.65
2.75
3.35
3.45
3.15
3.25
I
R
10
500
150
uA
T
rr
C
P
ns
55
P
F
URAF0870 Thru URAF08100
FIG-1 TYPICAL FORWARD CHARACTERISITICS
AVERAGE FORWARD RECTIFIED CURRENT (Amp.)
AVERAGE FORWARD RECTIFIED CURRENT (Amp.)
FIG-3 FORWARD CURRENT DERATING CURVE
LEAD TEMPERATURE (℃)
FIG-4TYPICAL JUNCTION CAPACITANCE
FORWARD VOLTAGE (Volts)
FIG-2 TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT (Amp.)
JUNCTION CAPACITANCE (
P
F)
REVERSE VOLTAGE (Volts.)
FIG-5PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT (Amp.)
PERCENT OF PEAK REVERSE VOLTAGE (﹪)
NUMBER OF CYCLES AT 60 Hz
Set time base for 10/20 ns/cm
FIG-6 Reverse Recovery Time Characteristic and Test Circuit Diagram
Power technology
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