CREAT BY ART
SR2020PT - SR20150PT
20.0AMPS. 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
Guardring for transient protection
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: 6.10 grams
Ordering Information (example)
Part No.
SR2020PT
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)
@ 10 A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@ T
A
=25
℃
@ T
A
=100 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
o
SR
Symbol 2020
PT
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
20
14
20
SR
2030
PT
30
21
30
SR
2040
PT
40
28
40
SR
2050
PT
50
35
50
20
SR
2060
PT
60
42
60
SR
2090
PT
90
63
90
SR
SR
20100 20150
PT
PT
100
70
100
150
105
150
Units
V
V
V
A
A
200
0.55
0.5
0.70
0.92
0.1
10
-
400
1.5
- 65 to + 125
- 65 to + 150
- 65 to + 150
-
5.0
350
O
1.02
V
mA
mA
mA
pF
C/W
O
O
I
R
Cj
R
θJC
T
J
T
STG
15
600
C
C
Note 2 : Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
Version:E12
RATINGS AND CHARACTERISTIC CURVES (SR2020PT THRU SR20150PT)
FIG. 1- FORWARD CURRENT DERATING CURVE
25
AVERAGE FORWARD CURRENT (A)
20
15
SR2020PT-2040PT
10
5
0
50
100
CASE TEMPERATURE (
o
C)
150
RESISTIVE OR
INDUCTIVE LOAD
WITH HEATSINK
SR2050PT-20150PT
PEAK FORWARD SURGE CURRENT (A)
300
250
200
150
100
50
0
1
10
NUMBER OF CYCLES AT 60 Hz
100
8.3ms Single Helf Sine Wave
PER LEG. (JEDEC Method)
FIG. 2- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT PER LEG
FIG. 3- TYPICAL FORWARD CHARACTERISTICS
PER LEG
100
SR2050PT-SR2060PT
INSTANTANEOUS FORWARD CURRENT(A)
INSTANTANEOUS REVERSE CURRENT (mA)
SR2020PT-SR2040PT
10
10
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
PER LEG
TA=100℃
1
0.1
TA=25℃
1
SR2090PT
-100PT
SR20150PT
0.01
TA=25
o
C
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
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
SR2020PT-SR2040PT
CAPACITANCE (pF)
A
SR2050PT-SR2060PT
1000
TA=25
o
C
f=1.0MHz
Vsig=50mVp-p
TRANSIENT THERMAL
IMPEDANCE (℃/W)
FIG. 6- TYPICAL TRANSIENT THERMAL IMPEDANCE
PER LEG
100
10
1
SR2090PT-SR20150PT
100
0.1
1
10
100
REVERSE VOLTAGE (V)
0.1
0.01
0.1
1
10
100
T, PULSE DURATION. (sec)
Version:E12
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