CREAT BY ART
SR4020PT - SR40100PT
40.0AMPS. Schottky Barrier Rectifiers
TO-3P/TO-247AD
Features
UL Recognized File # E-326243
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 reliabbility
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
Green compound with suffix "G" on packing
code & prefix "G" on datecode
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: 6.14 grams
Ordering Information (example)
Part No.
SR4020PT
Package
TO-3P
Packing
30 / TUBE
Packing
code
C0
Green Compound
Packing code
C0G
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
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current, 8.3 ms Single Half Sine-
wave Superimposed on Rated Load (JEDEC method)
Maximum Instantaneous Forward Voltage (Note 1)
@20 A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@ T
A
=25
o
C
@ T
A
=100
o
C
@ T
A
=125
o
C
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance Per Leg
Operating Junction Temperature Range
Storage Temperature Range
Note 1 : 300 us Pulse Width, 2% Duty Cycle
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
SR
4020
PT
20
14
20
SR
4030
PT
30
21
30
SR
4040
PT
40
28
40
SR
4050
PT
50
35
50
40
400
SR
4060
PT
60
42
60
SR
4090
PT
90
63
90
SR
40100
PT
100
70
100
Units
V
V
V
A
A
0.55
1.0
0.70
0.90
0.5
V
mA
mA
mA
pF
O
I
R
Cj
R
θJC
T
J
T
STG
30
-
1100
1.2
- 65 to + 125
20
600
- 65 to + 150
- 65 to + 150
-
10
550
C/W
O
O
C
C
Note 2 : Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
Version:E12
RATINGS AND CHARACTERISTIC CURVES (SR4020PT THRU SR40100PT)
FIG. 1- FORWARD CURRENT DERATING CURVE
50
SR4050-100PT
AVERAGE FORWARD
A
CURRENT (A)
40
30
20
10
0
0
50
100
150
CASE TEMPERATURE (
o
C)
RESISTIVE OR
INDUCTIVE LOAD
WITH HEATSINK
PEAK FORWARD SURGE CURRENT (A)
400
8.3ms SINGLE HALF SINE WAVE
PER LEG. (JEDEC METHOD)
300
FIG. 2- MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT PER LEG
SR4020-40PT
200
100
1
10
NUMBER OF CYCLES AT 60 Hz
100
FIG. 3- TYPICAL FORWARD CHARACTERISTICS
PER LEG
100
SR4020PT-4040PT
INSTANTANEOUS FORWARD CURRENT (A)
INSTANTANEOUS REVERSE CURRENT (mA)
10
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
PER LEG
TA=100℃
1
10
SR4050PT-4060PT
1
0.1
TA=75℃
SR4090PT-40100PT
TA=25
o
C
PULSE WIDTH-300uS
1% DUTY CYCLE
0.01
TA=25℃
0.1
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
INSTANTANEOUS FORWARD VOLTAGE (V)
0.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
FIG. 5- TYPICAL JUNCTION CAPACITANCE
PER LEG
10000
JUNCTION CAPACITANCE (pF)
A
FIG. 6- TYPICAL TRANSIENT THERMAL IMPEDANCE
PER LEG
100
TRANSIENT THERMAL
IMPEDANCE (
℃/W)
10
100
SR4020PT-4040PT
1000
SR4050PT-40100PT
10
1
100
0.1
1
REVERSE VOLTAGE (V)
0.1
0.01
0.1
1
10
100
T, PULSE DURATION. (sec)
Version:E12
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