
Dimensions in inches and (millimeters)
- 168 -
Version: B07
SR4020PT
-
SR40150PT
40.0 AMPS. Schottky Barrier Rectifiers
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
o
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: Pure tin plated, lead free. solderable per
MIL-STD-750, Method 2026
Polarity: As marked
Mounting position: Any
Weight: 0.2 ounce, 5.6 grams
Maximum Ratings and Electrical Characteristics
Rating at 25
o
C 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
4020
PT
SR
4030
PT
SR
4040
PT
SR
4050
PT
SR
4060
PT
SR
4090
PT
SR
40100
PT
SR
40150
PT
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
50
60
90
100
150
V
Maximum RMS Voltage
V
RMS
14
21
28
35
42
63
70
105
V
Maximum DC Blocking Voltage
V
DC
20
30
40
50
60
90
100
150
V
Maximum Average Forward Rectified Current at
Tc=100
o
C
I
(AV)
40
A
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load (JEDEC
method )
I
FSM
400
A
Maximum Instantaneous Forward Voltage 20.0A
(Note 3)
Maximum D.C. Reverse Current @ Tc=25
o
C
V
F
0.55
0.70
0.90
1.00
V
1.0
0.5
at Rated DC Blocking Voltage @ Tc=100
o
C
I
R
30
20
10
mA
mA
Typical Junction Capacitance (Note 2)
Cj
1100
600
550
pF
Typical Thermal Resistance Per Leg (Note 1)
R
θJC
1.2
o
C/W
Operating Junction Temperature Range
T
J
-65 to +125
-65 to +150
o
C
Storage Temperature Range
T
STG
-65 to +150
o
C
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