FEATURES
● Metal-Semiconductor junction with gard ring
● Epitaxial construction
● Low forward voltage drop
● High current capability
● The plastic material carries UL recognition 94V-0
● For use in low vlotage, high frequency inverters,
MECHANICAL DATA
●Case: JEDEC DO-41 molded plastic
●Polarity: Color band denotes cathode
●Weight: 0.012 ounces , 0.34 grams
●Mounting position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS SYMBOL UNIT
Maximum Recurrent Peak Reverse Voltage VRRM V
Maximum RMS Voltage VRMS V
Maximum DC Blocking Voltage VDC V
Maximum Average Forward
Rectified Current @TA =75℃
Peak Forward Surage Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load(JEDEC Method)
Maximum Forward Voltage at 1.0A DC VFV
Maximum Forward Voltage at 3.0A DC VFV
Maximum DC Reverse Current @TJ=25℃
at Rated DC Bolcking Voltage @TJ=100℃
Typical Junction Capacitance (Note1) CJpF
Typical Thermal Resistance (Note2) RθJA ℃/W
Operating Temperature Range TJ℃
Storage Temperature Range TSTG ℃
mA
0.600
10
0.900
1.0
-55 to +150
0.450 0.550
0.750 0.875
110
1N5817 thru 1N5819
SCHOTTKY BARRIER RECTIFIERS REVERSE VOLTAGE - 20 to 40 Volts
FORWARD CURRENT - 1.0 Amperes
1N5817 1N5818 1N5819
20 30 40
free wheeling, and polarity protection applications
IR
40IFSM
14 21 28
20 30 40
~ 145 ~
A
1.0I(AV) A
NOTES: 1.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC
2.Thermal resistance junction to ambient,
-55 to +150
80
DO- 41
.107(2.7)
.080(2.0)
.034(0.9)
.028(0.7)
DIA
DIA
.205(5.2)
MAX
1.0(25.4)
MIN.
1.0(25.4)
MIN.
RATING AND CHARACTERTIC CURVES
1N5817 thru 1N5819
~ 146 ~
FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT,
(AMPERES
）
40
30
20
10
0100
5020101 2 5
PULSE WIDTH 8.3mS
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
FIG.3 – TYPICAL JUNCTION CAPACITANCE
CAPACITANCE, (pF)
REVERSE VOLTAGE, (VOLTS)
1000
1
100
100
10
14
TJ= 25°C f = 1 MHz
1.0
0.1
10
0.2 0.4 0.80.6 1.0 1.2
0
FIG.4-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
(A)
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
TJ = 25°C
PULSE WIDTH 300us
1N5819
1N5817
1N5818
AVERAGE FORWARD CURRENT
AMPERES
FIG. 1 – FORWARD CURRENT DERATING CURVE
AMBIENT TEMPERATURE (℃)
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0.4
0.2
025
0.6
0.8
1.0
50 75 100 125 150 175
