PS20U45S&PS20U45FS
PS20U45S&PS20U45FS
20 .0AMP S . SCHOTTKY BARRIER RECTIFIERS
20.0AMP
.0AMPS
FEATURE
.High
current capability
.Ultra
low forward voltage drop
.Low
power loss, high efficiency
.High
surge capability
.High
ESD capability
.High
temperature soldering guaranteed
260°C /10seconds, 0.25"(6.35mm)from case.
TO-220AB
PS20U45S
ITO-220AB
PS20U45FS
MECHANICAL DATA
.Case:
Molded with UL-94 Class V-0 recognized
Flame Retardant Epoxy
.Mounting
position: any
Single phase, half wave, 60Hz,resistive or inductive load.
For capacitive load, derate current by 20%
MAXIMUM RATINGS
(T
C
=25℃ unless otherwise noted)
Parameter
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC blocking Voltage
Maximum Average Forward Rectified Current
at T
C
=100°C
superimposed on rated load (JEDEC method)
Symbol
PS20U45S
45
32
45
20.0
Units
V
V
V
A
V
RRM
V
RMS
V
DC
Total device
I
F(AV)
I
FSM
C
J
T
J
,
T
STG
Peak Forward Surge Current 8.3ms single half sine-wave
200.0
900
-55 to +150
A
pF
°C
Terminals 1and 3 short circuited
Typical Junction Capacitance (Note 1)
Operation Junction Temperature and Storage Temperature
ELECTRICAL CHARACTERISTICS
(T
C
=25℃ unless otherwise noted)
Parameter
Maximum Forward Voltage
at 5.0A DC
at 10.0A DC
at 20.0A DC
Maximum DC Reverse Current
at rated DC blocking voltage
@T
A
=25°C
@T
A
=100°C
Symbol
Typ
0.37
0.43
0.53
----
----
Max
----
0.53
----
0.25
50.0
Units
V
V
F
I
R
mA
THERMAL CHARACTERISTICS
(T
C
=25℃ unless otherwise noted)
Parameter
Typical Thermal Resistance (Note 2)
Symbol
PS20U45S
2.0
PS20U45FS
3.0
Units
°C /W
R
(JC)
(JC
Notes:
Notes
1. Measured at 1.0 MHz and applied reverse voltage of 4.0Vdc
2. Thermal Resistance from Junction to Case
1
PS20U45S&PS20U45FS
RATING AND CHARACTERISTIC CURVES
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
20.0
FIG.2-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
AVERGE FORWARD
RECTIFIED CURRENT,(A)
INSTANEOUS FORWARD
CURRENT,(A)
10
10.0
Single Phase Half Wave
60Hz Resistive or
inductive Load
0
1
TJ=25
℃
Pulse Width=300
μ
s
1% Duty Cycle
0
50
100
150
200
.1
.
1
.3
0.5
0.7
0.9
CASE TEMPERTURE,(
℃
)
INSTANEOUS FORWARD VOLTAGE,(V)
FIG.3-MAXIMUN NON-REPETITIVE
FORWARD SURGE CURRENT
10
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
PEAK FORWARD SURGE
CURRENT,(A)
200
INSTANEOUS REVERSE
CURRENT,(mA)
150
8.3ms Single Half
Sine-Wave (JEDEC
Method)
1.0
100
T
J
=25
℃
0.1
50
0
0
10
.01
100
0
20
40
60
80
100
120
140
NUMBER OF CYCLES AT 60Hz
PERCENT OF RATED PEAK REVERSE
VOLTAGE,(%)
2