1S20 THRU 1SA0
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts
R-1
Forward Current - 1.0 Ampere
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Metal silicon junction,majority carrier conduction
Low power loss,high efficiency
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375
”
(9.5mm) lead length,
5 lbs. (2.3kg) tension
1.0 (25.4)
MIN.
0.102 (2.6)
0.091 (2.3)
DIA.
0.140(3.50)
0.114(2.90)
1.0 (25.4)
MIN.
MECHANICAL DATA
Case:
R-1 molded plastic body
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:0.007
ounce, 0.20 grams
0.025 (0.60)
0.021 (0.50)
DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length(see fig.1)
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
T
A
=25 C
at rated DC blocking voltage
T
A
=100 C
Typical junction capacitance (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction temperature range
Storage temperature range
SYMBOLS
1S
20
1S
30
1S
40
1S
50
1S
60
1S
70
1S
80
1S
90
1S
A0
UNITS
VOLTS
VOLTS
VOLTS
Amp
V
RRM
V
RMS
V
DC
I
(AV)
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
1.0
70
49
70
80
56
80
90
63
90
100
70
100
I
FSM
V
F
I
R
C
J
R
θ
JA
T
J
,
T
STG
110
-65 to +125
0.55
40.0
0.70
0.5
10.0
80
50.0
-65 to +150
-65 to +150
0.85
Amps
Volts
mA
pF
C/W
C
C
Note:1.Measured
at 1MHz and applied reverse voltage of 4.0V D.C.
2.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
RATINGS AND CHARACTERISTIC CURVES 1S20 THRU 1SA0
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
1
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
40
0.8
32
0.6
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
24
0.4
16
0.2
1S20-1S40
1S50-1SA0
0
25
50
75
100
125
150
175
8
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
0
1
10
100
AMBIENT TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS FORWARD
CURRENT,AMPERES
20
10
10
TJ=100 C
1
T
J
=25 C
PULSE WIDTH=300
µs
1%DUTY CYCLE
1
TJ=75 C
0.1
1S20-1S40
1S50-1S60
1S70-1SA0
0.2
0.4
0.6
0.8
1.0
1.1
0.1
0.01
0.01
TJ=25 C
0.001
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF PEAK REVERSE VOLTAGE,%
TRANSIENT THERMAL IMPEDANCE,
C/W
FIG. 5-TYPICAL JUNCTION CAPACITANCE
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
JUNCTION CAPACITANCE, pF
2000
1000
1S20-1S40
1S50-1SA0
10
100
1
T
J
=25 C
0.1
0.01
0.1
1
10
100
10
0.1
1.0
10
100
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
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