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SR4020PT
THRU
SR4060PT
40.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
20 to 60 Volts
Current
40.0 Amperes
TO-3P/TO-247AD
Features
Dual rectifier construction, positive center-tap
Plastic package has Underwriters Laboratory Flammability
Classifications 94V-0
Metal silicon junction, majority carrier conduction
Low power loss, high efficiency
High current capability, low VF
High surge capability
Epitaxial construction
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
High temperature soldering guaranteed:
260
C/ 10 seconds, 0.17”(4.3mm)lead lengths at 5 lbs.,
(2.3kg) tension
Mechanical Data
Cases: JEDEC TO-3P/TO-247AD molded plastic
Terminals: Leads solderable per MIL-STD-750, Method 2026
Polarity: As marked
Mounting position: Any
Weight: 0.2 ounce, 5.6 grams
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
℃
ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol
SR
4020PT
20
14
20
SR
4030PT
30
21
30
SR
4040PT
40
28
40
SR
4050PT
50
35
50
SR
4060PT
60
42
60
Units
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current at
Tc=100
℃
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load (JEDEC
method )
Maximum Instantaneous Forward Voltage 20.0A
(Note 3)
Maximum D.C. Reverse Current @ Tc=25
℃
at Rated DC Blocking Voltage @ Tc=100
℃
V
RRM
V
RMS
V
DC
V
V
V
I
(AV)
40
A
I
FSM
400
A
V
F
0.55
0.70
V
I
R
R
θ
JC
Cj
T
J
T
STG
1.0
75
1.2
mA
mA
/W
pF
℃
℃
Typical Thermal Resistance Per Leg (Note 1)
Typical Junction Capacitance (Note 2)
Operating Junction Temperature Range
Storage Temperature Range
Notes: 1. Thermal Resistance from Junction to Case Per Leg, with Heatsink size (4” x 6” x 0.25”)
Al-Plate.
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
3. 300 us Pulse Width, 2% Duty Cycle
℃
1100
600
-65 to +125
-65 to +150
-65 to +150