®
1N581x
LOW DROP POWER SCHOTTKY RECTIFIER
MAIN PRODUCTS CHARACTERISTICS
I
F(AV)
V
RRM
T
j
V
F
(max)
FEATURES AND BENEFITS
n
n
n
n
n
1A
40 V
150°C
0.45 V
VERY SMALL CONDUCTION LOSSES
NEGLIGIBLE SWITCHING LOSSES
EXTREMELY FAST SWITCHING
LOW FORWARD VOLTAGE DROP
AVALANCHE CAPABILITY SPECIFIED
DO41
DESCRIPTION
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.
ABSOLUTE RATINGS
(limiting values)
Symbol
V
RRM
I
F(RMS)
I
F(AV)
I
FSM
P
ARM
T
stg
Tj
dV/dt
Parameter
Repetitive peak reverse voltage
RMS forward current
Average forward current
Surge non repetitive forward
current
Repetitive peak avalanche
power
Storage temperature range
Maximum operating junction temperature *
Critical rate of rise of reverse voltage
T
L
= 125°C
δ
= 0.5
tp = 10 ms
Sinusoidal
tp = 1µs
Tj = 25°C
1200
Value
1N5817 1N5818 1N5819
20
30
40
10
1
25
1200
- 65 to + 150
150
10000
900
Unit
V
A
A
A
W
°C
°C
V/µs
* :
dPtot
1
thermal runaway condition for a diode on its own heatsink
<
dTj
Rth
(
j
−
a
)
1/5
July 2003 - Ed: 4A
STMICROELECTRONICS [ STMICROELECTRONICS ]
