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 35 Nanosecond Recovery Time
＊Plastic
Material used Carries Underwriters Laboratory
URAF0805 Thru URAF0820
ULTRA FAST
RECTIFIERS
8 AMPERES
50-200 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
05
V
RRM
V
RWM
V
R
V
R(RMS)
I
F(AV)
I
FM
50
URAF08
10
100
15
150
20
200
V
Unit
35
70
8.0
16
105
140
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
half-ware, single phase, 60Hz)
Operating and Storage Junction
Temperature Range
I
FSM
150
A
T
J
, T
stg
-65 to +150
℃
ELECTRIAL CHARACTERISTICS
Characteristic
Maximum Instantaneous Forward Voltage
( I
F
=8.0 Amp T
C
= 25℃)
( I
F
=8.0 Amp T
C
= 125℃)
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
05
V
F
URAF08
10
0.975
0.870
15
20
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
1.00
1.15
1.25
0.55
0.65
4.80
3.20
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
200
35
uA
T
rr
C
P
ns
100
P
F
URAF0805 Thru URAF0820
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 (uA.)
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
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