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
URAF1505 Thru URAF1520
ULTRA FAST
RECTIFIERS
15 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
=55℃
Peak Repetitive Forward Current
(Rate V
R
, Square Wave, 20kHz,℃)
ITO-220AC
Symbol
05
V
RRM
V
RWM
V
R
V
R(RMS)
I
F(AV)
I
FM
50
URAF15
10
100
15
150
20
200
V
Unit
35
70
15
30
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
250
A
T
J
, T
stg
-65 to +150
℃
ELECTRIAL CHARACTERISTICS
Characteristic
Maximum Instantaneous Forward Voltage
( I
F
=15 Amp T
C
= 25℃)
( I
F
=15 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
URAF15
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
500
35
uA
T
rr
C
P
ns
250
P
F
URAF1505 Thru URAF1520
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
250
PEAK FORWARD SURGE CURRENT (Amp.)
200
PERCENT OF PEAK REVERSE VOLTAGE (﹪)
150
100
50
0
1
10
100
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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