SRF20150CT
THRU
SRF20200CT
20.0 AMP SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
150 to 200 Volts
CURRENT
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Epitaxial construction
20.0 Amperes
ITO-220(FULLY INSULATED)
.412
(10.5)
MAX.
3.4
f
MAX.
HOLE THRU
.189
MAX.
(4.8)
.122
MAX.
(3.1)
.108
(2.75)
.248
(6.3)
MECHANICAL DATA
* 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
.060 MAX.
(1.5)
.035 MAX.
(0.9)
.100
(2.54)
PIN 1
PIN 3
.610
(15.5)
MAX.
.550
(14.0)
.158
(4.0) MIN.
MAX.
.114(2.9)
.098(2.5)
+
CASE
PIN 2
Dimensions in inches and (millimeters)
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
at Tc=95 C
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)
Typical Thermal Resistance R JC (Note 2)
Operating Temperature Range T
J
Storage Temperature Range T
STG
NOTES:
SRF20150CT
150
105
150
20.0
200
0.95
0.5
50
500
2.0
-65 +150
-65 +150
SRF20200CT
200
140
200
UNITS
V
V
V
A
A
V
mA
mA
pF
C/W
C
C
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Case.
76
RATING AND CHARACTERISTIC CURVES (SRF20150CT THRU SRF20200CT)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
24
20
50
INSTANTANEOUS FORWARD CURRENT,(A)
16
12
8
4
0
0
20
40
60
80
100
120
140
160
180
200
10
5.0
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
CASE TEMPERATURE,( C)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
250
0.1
PEAK FORWARD SURGE CURRENT,(A)
200
.01
.1
.3
.5
.7
.9
1.1
1.3
1.5
FORWARD VOLT
AGE,(V)
150
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
100
50
FIG.5 - TYPICAL REVERSE
0
1
5
10
50
100
CHARACTERISTICS
100
NUMBER OF CYCLES AT 60Hz
FIG.4-TYPICAL JUNCTION CAPACITANCE
1400
1200
1000
800
600
400
200
0
REVERSE LEAKAGE CURRENT, (mA)
10
Tj=100 C
JUNCTION CAPACITANCE,(pF)
1.0
Tj=25 C
.1
.01
.05
.1
.5
1
5
10
50
100
.01
0
20
40
60
80
100 120 140
REVERSE VOLTAGE,(V)
PERCENTAGE RATED PEAK REVERSE VOL
TAGE
77
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