20.0 AMP SCHOTTKY BARRIER RECTIFIERS
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
FEATURES
MECHANICAL DATA
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage per Leg at 10A
Maximum DC Reverse Current Ta=25 C
at Rated DC Blocking Voltage Ta=100 C
Typical Junction Capacitance (Note1)
NOTES:
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Case.
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Epitaxial construction
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Lead solderable per MIL-STD-202,
method 208 guranteed
* Polarity: As Marked
* Mounting position: Any
SR2020CT THRU SR20100CT
20.0 Amperes
Typical Thermal Resistance R JC (Note 2)
VOLTAGE RANGE
20 to 100 Volts
CURRENT
Operating
Storage Temperature Range TSTG
Temperature Range TJ
20.0
200
0.5
50
2.0
V
V
A
A
V
mA
mA
pF
UNITS
V
0.55
0.85
0.70
14 21 28 35 42 56 70
20 30 40 50 60 80 100
20 30 40 50 60 80 100
SR SR SR SR SR SR SR
2020CT 2030CT 2040CT 2050CT 2060CT 2080CT 20100CT
-65 +150
-65 +150
C
C
C
/W
at Tc=95 C
500
70
Dimensions in inches and (millimeters)
+
PIN 1
PIN 3
PIN 2
CASE
TO-220
.412
.248
.180
.050
.120
.158
.603(15.3)
.578(14.7)
.576(14.6)
.514(13.0)
.100
.051
.040
.108
(10.5)
(6.3)
(4.6)
(1.27)
(3.05)
(4.0)
(2.54)
(1.3)
(1.0)
(2.75)
MAX.
MAX.
MAX.
MAX.
3.8 +.2
HOLE THRU
f
RATING AND CHARACTERISTIC CURVES (SR2020CT THRU SR20100CT)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
100
50
0
150
250
200
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
4
8
12
16
20
24
AVERAGE FORWARD CURRENT,(A)
NUMBER OF CYCLES AT 60Hz
1 10 5
50
100
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
0
FIG.4-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
JUNCTION CAPACITANCE,(pF)
1000
1200
1400
800
600
400
200
0
.01 .05 .1 .5 1 5 10 50 100
0.1
1.0
.01
10
50
INSTANTANEOUS FORWARD CURRENT,(A)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
.1 .3 .5 .7 .9 1.1 1.3 1.5
3.0
S
R
2
0
20
CT~S
R2
0
40
C
T
SR2
0
5
0CT
~
S
R206
0CT
SR2080
C
T
~S
R
20
1
0
0
C
T
Tj=25 C
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
FIG.5 - TYPICAL REVERSE
CHARACTERISTICS
.1
1.0
10
100
REVERSE LEAKAGE CURRENT, (mA)
PERCENTAGE RATED PEAK REVERSE VOLTAGE
0 20 40 60 80 100 120 140
.01
Tj=25 C
Tj=100 C
0 20 40 60 80 100 120 140 160 180 200
71
CASE TEMPERATURE,( C)