PS20U45S&PS20U45FS
PS20U45S&PS20U45FS
20.0AMPS. SCHOTTKY BARRIER RECTIFIERS
FEATURE
.High
current capability
.Ultra
low forward voltage drop
.Low
power loss, high efficiency
.High
surge 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)
Typical Junction Capacitance (Note 1)
Operation Junction Temperature and Storage Temperature
Total device
Peak Forward Surge Current 8.3ms single half sine-wave
Symbol
PS20U45S&PS20U45FS
45
32
45
20.0
150.0
1700
-55 to +150
Typ
Max
---
---
Units
V
V
V
A
A
pF
°C
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
C
J
T
J
,
T
STG
ELECTRICAL CHARACTERISTICS
(T
A
=25℃ unless otherwise noted)
Parameter
Symbol
Test conditions
Units
T
J
=25℃
Forward voltage drop
V
F
T
J
=125℃
Reverse leakage current
I
R
T
J
=25℃
T
J
=125℃
I
F
=2A
I
F
=5A
I
F
=20A
I
F
=2A
I
F
=5A
I
F
=20A
V
R
=45V
V
R
=45V
Symbol
0.31
0.36
0.50
0.22
0.28
0.48
---
---
PS20U45S
2.0
0.60
---
---
V
0.55
250
μA
mA
50
PS20U45FS
3.0
THERMAL CHARACTERISTICS
(T
C
=25℃ unless otherwise noted)
Parameter
Typical Thermal Resistance (Note 2)
Units
°C /W
R
(JC)
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
INSTANEOUS FORWARD
CURRENT,(A)
20.0
FIG.2-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
AVERGE FORWARD
RECTIFIED CURRENT,(A)
10
T
J
=125
℃
10.0
Single Phase Half Wave
60Hz Resistive or
inductive Load
0
0
50
100
150
200
1
TJ=25
℃
Pulse Width=300
μ
s
1% Duty Cycle
0.1
0.1
0.3
0.5
0.7
0.9
CASE TEMPERTURE,(
℃
)
FIG.3-MAXIMUN NON-REPETITIVE
FORWARD SURGE CURRENT
100
200
INSTANEOUS FORWARD VOLTAGE,(V)
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
PEAK FORWARD SURGE
CURRENT,(A)
150
INSTANEOUS REVERSE
CURRENT,(mA)
8.3ms Single Half
Sine-Wave (JEDEC
Method)
10
1
T
J
=125
℃
100
0.1
T
J
=25
℃
50
0.01
0
0.001
1
10
100
0
9
18
27
36
45
NUMBER OF CYCLES AT 60Hz
PERCENT OF RATED PEAK REVERSE
VOLTAGE,(V)
2
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