SR1020 thru SR1060
SK1020 thru SK1060
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
20 TO 60 Volts
CURRENT
10.0 Amperes
TO-220AC
FEATURES
Low switching noise
Low forward voltage drop
Low thermal resistance
High current capability
High surge capability
High reliability
MECHANICAL DATA
Case: TO-220A molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: MIL-STD-202 method 208 guaranteed
Mounting position: Any
MAXIMUM RATINGS
( At T
A
=25 C unless otherwise noted)
0
Symbol
Ratings
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375" (9.5mm) lead length
Peak Forward Surge Current, 8.3 ms single half
sine-wave superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 3)
Operating Temperature Range
Storage and Operating Temperature Range
0
SR1020 SR1030 SR1035 SR1040 SR1045
SR1050 SR1060
SK1020 SK1030 SK1035 SK1040 SK1045 SK1050 SK1060
20
14
20
30
21
30
35
25
35
40
28
40
10
45
32
45
50
35
50
60
42
60
UNITS
UNITS
Volts
Volts
Volts
Amps
Symbol
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
JC
150
2.5
700
-65 to +125
-65 to +150
450
-65 to +150
Amps
0
C/W
pF
0
C
J
T
J
T
STG
Symbol
V
F
I
R
C
C
0
ELECTRICAL CHARACTERISTICS
( At T
A
=25 C unless otherwise noted)
Characteristics
Maximum Instantaneous Forward Voltage at 10A DC
0
Maximum Average Reverse Cruuent @T
A
=25 C
at Rated DC Blocking Voltage
@T
A
=100
0
C
SK1020 SK1030 SK1025 SK1040 SK1045 SK1050 SK1060
.65
1.0
30
.75
UNITS
Volts
mAmps
mAmps
Notes : 1. Thermal Resistance Junction to Case.
2. Suffix "R" for Reverse Polarity
3. Measured at 1MHz and applied reserse voltage of 4.0 Volts.
SR1020 thru SR1060
SK1020 thru SK1060
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SR1020 THRU SR1060
SK1020 THRU SK1060
Fig.1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT AMPERES
12
10
Fig.2 - TYPICAL REVERSE CHARACTERISTICS
10
8
INSTANTANEOUS
REVERSE
CURRENT, (mA)
105
SK
0~
102
SK
6
1.0
0
TC=125C
1
SK
0 60
0~
104
SK
4
0
2
.1
0
TC=75C
0
0
50
100
150
CASE TEMPERATURE,
0
C
Fig.3
-
MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT, (A)
175
.01
0
TC=25C
150
125
100
8.3ms Single Half Sine Wave
JEDEC Method
.001
20
40
60
80
100
120
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
75
50
25
1
10
100
50
Fig.4
-
TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
NUMBER OF CYCLES AT 60 Hz
Fig.5 - TYPICAL JUNCTION CAPACIT
ANCE
4000
INSTANTANEOUS FORWARD CURRENT, (A)
0
TJ=150C
10
INSTANTANEOUS FORWARD
CURRENT, (A)
2000
0
TJ=25C
1000
800
600
400
.1
200
100
.1
1.0
10
100
1.0
.1
.2
.3
.4
.5
.6
Pulse Width-300 s
1% DUTY CYCLE
.7
.8
.9
1.0
REVERSE VOLTAGE(V)
INSTANTANEOUS FORWARD VOLT
AGE, (V)
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