1N5817 THRU 1N5819
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 40 Volts Forward Current - 1.0 Ampere
FEATURES
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Metal silicon junction, majority carrier
conduction
Guardring for overvoltage protection
Low power loss,
high efficiency
High current capability,
low forward voltage drop
High surge capability
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
High temperature soldering guaranteed:
250C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3 kg) tension
MECHANICAL DATA
Case: JEDEC DO-204AL molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounces, 0.34 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS 1N5817
1N5818
1N5819
UNITS
* Maximum repetitive peak reverse voltage
V
RRM
20
30
40
Volts
Maximum RMS voltage
V
RMS
14
21
28
Volts
* Maximum DC blocking voltage
V
DC
20
30
40
Volts
* Maximum non-repetitive peak reverse voltage
V
RSM
24
36
48
Volts
* Maximum average forward rectified current
0.375" (9.5mm) lead length at T
L
=90C
I
(AV)
1.0
Amp
* Peak forward surge current, 8.3ms single half sine-
wave superimposed on rated load (JEDEC Method) at T
L
=70C
I
FSM
25.0
Amps
* Maximum instantaneous forward voltage at 1.0A
(NOTE 1)
V
F
0.450
0.550
0.600
Volts
* Maximum instantaneous forward voltage at 3.1A
(NOTE 1)
V
F
0.750
0.875
0.900
Volts
* Maximum instantaneous reverse current at
rated DC reverse voltage
T
A
=25C
(NOTE 1)
I
R
1.0
mA
T
A
=100C
10.0
Typical thermal resistance
(NOTE 2)
R
JA
50.0
R
JL
15.0
C/W
Typical junction capacitance
(NOTE 3)
C
J
110.0
pF
* Storage and operating junction temperature range
T
J
, T
STG
-65 to +125
C
*JEDEC registered values
NOTES:
(1) Pulse test: 300
s pulse width, 1% duty cycle
(2) Thermal resistance from junction to lead, and/or to ambient P.C.B. mounted with 0.375" (9.5mm) lead length with 1.5 x 1.5" (38 x 38mm) copper pads
(3) Measured at 1.0 MHz and applied reverse voltage of 4.0 volts
4/98
0.107 (2.7)
0.080 (2.0)
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
DIA.
NOTE:
Lead diameter is for suffix "E" part numbers
0.026 (0.66)
0.023 (0.58)
DO-204AL
Dimensions in inches and (millimeters)
0
20
40
60
80
100
120
140
0
0.25
0.5
0.75
1
1
10
100
0
5
10
15
20
25
30
0.1
1
10
100
10
100
400
0.01
0.1
1
10
100
0.1
1
10
100
0.2
0.01
0.1
0
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1
50
10
40
80
0.001
0.01
1
100
60
0
20
0
100
10
RATINGS AND CHARACTERISTIC CURVES 1N5817 THRU 1N5819
T
J
=125C
FIG. 1 - FORWARD CURRENT DERATING CURVE
LEAD TEMPERATURE, C
AVERAGE FORWARD CURRENT,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
NUMBER OF CYCLES AT 60 H
Z
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, pF
REVERSE VOLTAGE, VOLTS
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=75C
T
J
=25C
T
J
=25C
PULSE WIDTH=300
s
1% DUTY CYCLE
T
J
=25C
f=1.0 MHz
Vsig=50mVp-p
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm)
LEAD LENGTH
T
J
=125C
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
t
,
PULSE DURATION, sec.
TRANSIENT THERMAL IMPEDANCE,
C/W
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