DO-41
VRRM
VRMS
VDC
IF(AV)
IFSM
VF
VF
IR
R*JA
R*JC
CJ
TJ
TSTG
Voltage Range
20 to 40 Volts
Current
1.0 Amperes
1.0(25.4)
MIN.
1.0(25.4)
MIN.
.205(5.2)
.166(4.2)
.107(2.7)
.080(2.0)
DIA.
1N5817 THRU 1N5819
Features
*Low forward voltage drop
*High current capability
*High reliability
*High surge current capability
Mechanical Data
*Cases:Molded plastic DO-41
*Epoxy:UL 94V-O rate flame retardant
*Lead:Axial leads,solderable per MIL-
STD-202,Method 208 guaranteed
*Polarity:Color band denotes cathode end
*High temperature soldering guaranteed:
2500C/10 seconds/.375",(9.5mm) lead
lengths at 5 lbs.,(2.3kg) tension
*Weight:0.33 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length @TL = 90oC
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method)
Maximum Instantaneous Forward Voltage
@1.0A
Maximum Instantaneous Forward Voltage
@3.0A
Maximun DC Reverse Current @ TA = 25oC
at Rated DC Blocking Voltage @ TA = 100oC
Typical Thermal Resistance
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
UNITS
V
V
V
A
A
V
V
mA
mA
oC/W
pF
oC
oC
-55 to+125
-55 to+150
1N5817
20
14
20
1N5818
30
21
30
1.0
25
1N5819
40
28
40
Dimensions in inches and (millimeters)
1.0 AMP. SCHOTTKY BARRIER
RECTIFIERS
.034(.86)
.028(.71)
DIA.
1.0
10
50
12
110
NOTES: 1. Thermal Resistance from Junction to Ambient Vertical PC Board Mounting, 0.375"(9.5mm) Lead Length.
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
0.45
0.750
0.550
0.875
0.600
0.900
FIG.1- MAXIMUN FORWARD CURRENT DERATING CURVE
FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT
AVERAGE FORWARD CURRENT.(A)
.
CAPACITANCE.(pF)
PEAK FORWARD SURGE CURRENT.(A)
0 25 50 75 100 125 150 175
1 2 5 10 20 50 100
0.1 0.4 1.0 4 10 40 100
1.0
.75
.50
.25
0
400
200
100
80
60
40
20
10
LEAD TEMPERATURE.(0C) REVERSE VOLTAGE.(V)
NUMBER OF CYCLES AT 60Hz
FIG.3-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT.(A)
.1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1
20
10
1.0
0.1
FORWARD VOLTAGE.(V)
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
FIG.2-TYPICAL JUNCTION CAPACITANCE
8.3ms Single Half Sine Wave
JEDEC Method
30
25
20
10
5
1N5818,1N5819
1N5817
Tj=250C
RATING AND CHARACTERISTIC CURVES
1N5817 THRU 1N5819
