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1N5818 Datasheet, PDF (1/2 Pages) Vishay Siliconix – Schottky Barrier Rectifiers
1N5817 thru 1N5819
Vishay Semiconductors
formerly General Semiconductor
Schottky Barrier Rectifiers
Reverse Voltage 20 to 40V
Forward Current 1.0A
DO-204AL (DO-41)
Glass MELF
Cathode Mark
* 0.107 (2.7)
0.080 (2.0)
DIA.
1.0 (25.4)
MIN.
0.205 (5.2)
0.189 (4.8)
0.022 (0.55)
* * 0.205 (5.2)
0.160 (4.1)
Use “M” Suffix if body is MELF
Dimensions in inches and (millimeters)
1.0 (25.4)
MIN.
* 2.6 mm max. for glass DO-41
** 4.1 mm max. for glass DO-41
0.034 (0.86)
0.028 (0.71)
DIA.
Use “G” suffix
if glass body DO-41
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Low power loss, high efficiency
• For use in low voltage high frequency inverters, free
wheeling, and polarity protection applications
• Guardring for overvoltage protection
Mechanical Data
Case: JEDEC DO-204 AL molded plastic body, glass
body or glass MELF body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering guaranteed: 250°C/10
seconds at terminals for MELF and 0.375” (9.5mm) lead
length, 5lbs (2.3kg) tension for axials
Polarity: Color band denotes cathode end
(band is green on MELF)
Weight: plastic body DO-41: 0.34g
glass body DO-41: 0.35g
glass MELF: 0.25g
Maximum Ratings and Thermal Characteristics (TA = 25°C unless otherwise noted)
Parameter
Symbol 1N5817 1N5818
* Maximum repetitive peak reverse voltage
VRRM
20
30
Maximum RMS voltage
VRMS
14
21
* Maximum DC blocking voltage
VDC
20
30
* Maximum non-repetitive peak reverse voltage
VRSM
24
36
* Maximum average forward rectified current
0.375" (9.5mm) lead length at TL=90°C
IF(AV)
1.0
* Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load
IFSM
25
(JEDEC Method) at TL=70°C
Typical thermal resistance – junction-to-ambient (glass)
RΘJA
130
(Note 2)
– junction-to-ambient (plastic)
RΘJA
50
– junction-to-lead (plastic)
RΘJL
15
*Storage temperature range
TJ, TSTG
–65 to +125
1N5819
40
28
40
48
Unit
V
V
V
V
A
A
°C/W
°C
Electrical Characteristics (TA = 25°C unless otherwise noted)
Parameter
Symbol
* Maximum instantaneous forward voltage at 1.0 (Note 1)
VF
* Maximum instantaneous forward voltage at 3.1 (Note 1)
VF
* Maximum average reverse current TA = 25°C
at rated DC blocking voltage (Note 1) TA = 100°C
IR
Typical junction capacitance at 4.0V, 1.0MHz
CJ
1N5817
0.450
0.750
1N5818
0.550
0.875
1.0
10
110
1N5819
0.600
0.900
*JEDEC registered values
Notes: (1) Pulse test: 300µs pulse width, 1% duty cycle
(2) Thermal resistance from junction to lead vertical P.C.B. mounted, 0.375" (9.5mm) lead length with 1.5 x 1.5” (38 x 38mm) copper pads
Unit
V
V
mA
pF
Document Number 88525
25-Jun-02
www.vishay.com
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