SRF3020CT
THRU
SRF30100CT
30.0 AMP SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
20 to 100 Volts
CURRENT
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Epitaxial construction
30.0 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 15A
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:
SRF
SRF
3020CT 3030CT
SRF
SRF
SRF
SRF
SRF
3040CT 3050CT 3060CT 3080CT 30100CT
UNITS
20
14
20
30
21
30
40
28
40
50
35
50
30.0
300
60
42
60
80
56
80
100
70
100
V
V
V
A
A
V
mA
mA
pF
C/W
C
C
0.55
0.5
0.70
50
700
2.0
-65 +150
-65 +150
0.85
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Case.
82
RATING AND CHARACTERISTIC CURVES (SRF3020CT THRU SRF30100CT)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
30
25
50
INSTANTANEOUS FORWARD CURRENT,(A)
F3
04
CT
0C
~S
T
RF
CT
30
~S
60
RF
CT
30
10
0C
T
50
20
15
10
5
0
0
20
40
60
80
100
120
140
160
180
200
10
3.0
1.0
SR
F3
0
SR
F3
0
20
CT
~S
R
CASE TEMPERATURE,( C)
SR
F3
0
80
Tj=25 C
Pulse Width 300us
1% Duty Cycle
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
500
0.1
PEAK FORWARD SURGE CURRENT,(A)
400
.01
.1
.3
.5
.7
.9
1.1
1.3
1.5
300
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
FORWARD VOLT
AGE,(V)
200
100
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
83
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