SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 60 Volts CURRENT 1.0 Ampere
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Low power loss, high efficiency
* Low leakage
* Low forward voltage
* High current capability
* High speed switching
* High surge capabitity
* High reliability
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 0.12 gram
1S20
THRU
1S60
R-1
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
Dimensions in inches and (millimeters)
2002-10
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 2)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps
1.0
20
50
110
Amps
0
C / W
0
C
Storage Temperature Range
R
J A
I
O
pF
Operating Temperature Range
T
J
1S20
1S40
1S50
1S60
1S30
20
40
50
60
30
14
28
35
42
21
20
40
50
60
30
-55 to + 150
-55 to + 150
0
C
CHARACTERISTICS
Maximum Average Reverse Current
at Rated DC Blocking Voltage
V
F
SYMBOL
I
R
m A m p s
Maximum Instantaneous Forward Voltage at 1.0A DC
Volts
1.0
10
@T
A
= 25
o
C
@T
A
= 100
o
C
.55
.70
m A m p s
UNITS
1S20
1S40
1S50
1S60
1S30
.787 (20.0)
MIN.
.106 (2.7)
.126 (3.2)
.787 (20.0)
MIN.
.102 (2.6)
.091 (2.3)
DIA.
.025 (0.65)
.021 (0.55)
DIA.
RECTRON
RATING AND CHARACTERISTIC CURVES ( 1S20 THRU 1S60 )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVREAGE FORWARD CURRENT, (A)
1.0
.75
.50
.25
0
0
25
75
100
125
150
175
50
LEAD TEMPERATURE, ( )
Single
Half Wave 60HZ
Resistive or
Inductive Load
0.375" (9.5mm) Lead Length
1S50~1S60
1S20~1S40
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARCTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 3A - TYPICAL REVERSE CHARACTERISTICS
100
10
1.0
0.1
.01
.001
INSTANTANEOUS REVERSE CURRENT (mA)
TJ = 25
TJ = 75
TJ = 125
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
0
1S20~1S40
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
10
1.0
0.1
.01
INSTANTANEOUS REVERSE CURRENT (mA)
.001
T
J
= 25
T
J
= 75
T
J
= 125
T
J
= 150
1S50~1S60
0
20
40
60
80
100 120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
400
200
100
80
60
40
20
10
.1
.4
1.0
4
10
40
80
TJ = 25
REVERSE VOLTAGE, (V)
20
10
1.0
.1
.1
.3
.5
.7
.9 1.1 1.3 1.5 1.7 1.9 2.1
1S20
1S30
1S40
1S50
1S60
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE
CURRENT, (A)
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine-Wave
JEDEC Method
1
2
4
6 8 10
20
40
80 100
0
5
10
15
20
25
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