SR3020 thru SR3060
SK3020 thru SK3060
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
20 TO 60 Volts
CURRENT
30.0 Amperes
TO-3P
FEATURES
Low switching noise
Low forward voltage drop
Low thermal resistance
High current capability
High switching capability
High surge capability
High reliability
MECHANICAL DATA
Case: TO-3P molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: MIL-STD-202 method 208 guaranteed
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
0
C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
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)
Operating Temperature Range
Storage and Operating Temperature Range
0
SR3020 SR3030 SR3035 SR3040 SR3045
SR3050 SR3060
SK3020 SK3030 SK3035 SK3040 SK3045 SK3050 SK3060
20
14
20
30
21
30
35
25
35
40
28
40
30.0
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
T
J
T
STG
Symbol
V
F
I
R
JC
300
1.4
-65 to +125
-65 to +150
-65 to +150
Amps
0
C/W
0
C
C
0
ELECTRICAL CHARACTERISTICS
( At T
A
=25 C unless otherwise noted)
Characteristics
Maximum Instantaneous Forward Voltage at 15.0A DC
0
Maximum Average Reverse Cruuent @T
A
=25 C
at Rated DC Blocking Voltage
@T
A
=100
0
C
SK3020 SK3030 SK3035 SK3040 SK3045 SK3050 SK3060
.65
5
50
.75
UNITS
Volts
mAmps
mAmps
Notes : 1. Thermal Resistance Junction to Case.
2. Suffix "A" = Common Anode.
SR3020 thru SR3060
SK3020 thru SK3060
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SR3020 THRU SR3060
SK3020 THRU SK3060
Fig.2 - TYPICAL REVERSE CHARACTERISTICS
10
Fig.1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT AMPERES
36
INSTANTANEOUS
REVERSE
CURRENT, (mA)
1.0
0
TC=125C
30
30
SK
24
=7
TC
5C
0
3
SK
02
0~
50
0
K3
~S
.1
12
30
SK
40
60
6
0
TC=25C
0
0
50
100
150
.01
CASE TEMPERATURE,
0
C
SK3020~SK3040
SK3050~SK3060
.001
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
Fig.3
-
MAXIMUM NON-REPETITIVE FORWARD
PEAK FORWARD SURGE CURRENT, (A)
SURGE CURRENT
300
8.3ms Single Half Sine Wave
JEDEC Method
250
100
200
Fig.4
-
TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
SK3020~SK3040
150
100
50
10
SK3050~SK3060
0
1
10
100
1.0
NUMBER OF CYCLES AT 60 Hz
.1
.3
.4
.5
.6
.7
.8
.9
1.0
INSTANTANEOUS FORWARD VOLT
AGE, (V)
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