Reverse Voltage 20 to 40V
Forward Current 1.0A
Maximum Ratings and Thermal Characteristics (TA = 25°C unless otherwise noted)
Parameter Symbol 1N5817 1N5818 1N5819 Unit
* Maximum repetitive peak reverse voltage VRRM 20 30 40 V
Maximum RMS voltage VRMS 14 21 28 V
* Maximum DC blocking voltage VDC 20 30 40 V
* Maximum non-repetitive peak reverse voltage VRSM 24 36 48 V
* Maximum average forward rectified current
0.375" (9.5mm) lead length at TL=90°C
IF(AV) 1.0 A
* Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load IFSM 25 A
(JEDEC Method) at TL=70°C
Typical thermal resistance – junction-to-ambient (glass) RΘJA 130
(Note 2) – junction-to-ambient (plastic) RΘJA 50 °C/W
– junction-to-lead (plastic) RΘJL 15
*Storage temperature range TJ, TSTG –65 to +125 °C
Electrical Characteristics (TA = 25°C unless otherwise noted)
Parameter Symbol 1N5817 1N5818 1N5819 Unit
* Maximum instantaneous forward voltage at 1.0 (Note 1) VF 0.450 0.550 0.600 V
* Maximum instantaneous forward voltage at 3.1 (Note 1) VF 0.750 0.875 0.900 V
* Maximum average reverse current TA = 25°C
IR
1.0
mA
at rated DC blocking voltage (Note 1) TA = 100°C 10
Typical junction capacitance at 4.0V, 1.0MHz CJ 110 pF
*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
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
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.
DO-204AL (DO-41)
Use “G” suffix
if glass body DO-41
0.022 (0.55)
0.205 (5.2)
0.189 (4.8)
0.102 (
2
.6)
0.094 (
2
.4)
Cathode Mark
Use “M” Suffix if body is MELF
Dimensions in inches and (millimeters)
*
2.6 mm max. for glass DO-41
**
4.1mm max. for glass DO-41
Glass MELF
*
**
1N5817 thru 1N5819
Vishay Semiconductors
formerly General Semiconductor
Schottky Barrier Rectifiers
Document Number 88525 www.vishay.com
25-Jun-02 1