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1N581x

July 2003 - Ed: 4A

LOW DROP POWER SCHOTTKY RECTIFIER

®

Axial Power Schottky rectifier suited for Switch

Mode Power Supplies and high frequency DC to

DC converters. Packaged in DO41 these devices

are intended for use in low voltage, high frequency

inverters, free wheeling, polarity protection and

small battery chargers.

DESCRIPTION

n

VERY SMALL CONDUCTION LOSSES

n

NEGLIGIBLE SWITCHING LOSSES

n

EXTREMELY FAST SWITCHING

n

LOW FORWARD VOLTAGE DROP

n

AVALANCHE CAPABILITY SPECIFIED

FEATURES AND BENEFITS

Symbol

Parameter

Value

Unit

1N5817 1N5818 1N5819

Repetitive peak reverse voltage

20

30

40

V

RMS forward current

10

A

Average forward current

δ = 0.5

1A

Surge non repetitive forward

current

tp=10ms

Sinusoidal

25

A

Repetitive peak avalanche

power

tp = 1µs

Tj = 25°C

1200

1200

900

W

Storage temperature range

- 65 to + 150

°C

Tj

Maximum operating junction temperature *

150

°C

dV/dt

Critical rate of rise of reverse voltage

10000

V/µs

ABSOLUTE RATINGS (limiting values)

1A

40 V

150°C

0.45 V

MAIN PRODUCTS CHARACTERISTICS

DO41

*:

dPtot

dTj

Rth j

a

<

−

1

()

thermal runaway condition for a diode on its own heatsink