SR1620 thru SR1660
SK1620 thru SK1660
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
20 TO 60 Volts
CURRENT
16.0 Amperes
TO-220AB
FEATURES
Low switching noise
Low thermal resistance
Low forward voltage
High current capability
High switching capability
High surge capability
High reliability
MECHANICAL DATA
Case: TO-220 molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: MIL-STD-202E method 208 guaranteed
Mounting position: Any
Weitht: 2.24 grams
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)
Typical Junction Capacitance (Note 3)
Operating Temperature Range
Storage and Operating Temperature Range
0
SR1620 SR1630 SR1635 SR1640 SR1645
SR1650 SR1660
SK1620 SK1630 SK1635 SK1640 SK1645 SK1650 SK1660
20
14
20
30
21
30
35
25
35
40
28
40
16
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
3
700
-65 to +125
-65 to +150
500
-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 8.0A DC
Maximum Average Reverse Cruuent @T
A
=25 C
at Rated DC Blocking Voltage
@T
A
=100
0
C
0
SK1620 SK1630 SK1635 SK1640 SK1645 SK1650 SK1660
.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.
SR1620 thru SR1660
SK1620 thru SK1660
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SR1620 THRU SR1660
SK1620 THRU SK1660
Fig.2 - TYPICAL REVERSE CHARACTERISTICS
100
20
16
Fig.1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT AMPERES
1
SR
650
1
SR
0
TC=125C
INSTANTANEOUS
REVERSE
CURRENT, (mA)
12
C~
1
SR
660
620
C~
10
8
1
SR
C
4
Single Phase half Wave
60Hz Inductive or
Resistive Load
6 40
C
0
TC=75C
0
0
50
100
150
1.0
CASE TEMPERATURE,
0
C
Fig.3
-
MAXIMUM NON-REPETITIVE FORWARD
PEAK FORWARD SURGE CURRENT, (A)
0
TC=25C
.1
SURGE CURRENT
175
150
125
8.3ms Single Half Sine Wave
JEDEC Method
.01
20
40
60
80
100
120
100
75
50
25
1
2
5
10
20
50
100
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
INSTANTANEOUS FORWARD CURRENT, (A)
NUMBER OF CYCLES AT 60 Hz
Fig.5
-
TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
40
0
TJ=125C
Fig.4 - TYPICAL JUNCTION CAPACIT
ANCE
4000
JUNCTION CAPACITANCE, pF
10
2000
SR1620C~SR1645C
1000
800
600
400
0
TJ=25C
1.0
SR1650C~SR1660C
200
100
.1
.4
1.0
4
10
40 80 100
Pulse Width-300 s
1% DUTY CYCLE
.1
.1
.2
.3
.4
.5
.6
.7
.8
.9
REVERSE VOLTAGE(V)
INSTANTANEOUS FORWARD VOLT
AGE, (V)
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