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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
VERY SMALL CONDUCTION LOSSES
NEGLIGIBLE SWITCHING LOSSES
EXTREMELY FAST SWITCHING
LOW FORWARD VOLTAGE DROP
AVALANCHE CAPABILITY SPECIFIED
FEATURES AND BENEFITS
Symbol Parameter
Value
Unit
1N5817 1N5818 1N5819
V
RRM
Repetitive peak reverse voltage
20 30 40 V
I
F(RMS)
RMS forward current
10 A
I
F(AV)
Average forward current T
L
= 125°C
δ = 0.5
1A
I
FSM
Surge non repetitive forward
current
tp=10ms
Sinusoidal
25 A
P
ARM
Repetitive peak avalanche
power
tp = 1µs Tj = 25°C
1200 1200 900 W
T
stg
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)
I
F(AV)
1A
V
RRM
40 V
T
j
150°C
V
F
(max) 0.45 V
MAIN PRODUCTS CHARACTERISTICS
DO41
*:
dPtot
dTj Rth j a
<
−
1
()
thermal runaway condition for a diode on its own heatsink
