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PDF 1N581X Data sheet ( Hoja de datos )
| Número de pieza | 1N581X | |
| Descripción | LOW DROP POWER SCHOTTKY RECTIFIER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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® 1N581x
LOW DROP POWER SCHOTTKY RECTIFIER
MAIN PRODUCTS CHARACTERISTICS
IF(AV)
VRRM
Tj
VF (max)
1A
40 V
150°C
0.45 V
FEATURES AND BENEFITS
n VERY SMALL CONDUCTION LOSSES
n NEGLIGIBLE SWITCHING LOSSES
n EXTREMELY FAST SWITCHING
n LOW FORWARD VOLTAGE DROP
n 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
VRRM
IF(RMS)
IF(AV)
IFSM
PARM
Tstg
Tj
dV/dt
Parameter
Value
1N5817 1N5818 1N5819
Repetitive peak reverse voltage
20 30 40
RMS forward current
10
Average forward current
TL = 125°C
δ = 0.5
1
Surge non repetitive forward tp = 10 ms
25
current
Sinusoidal
Repetitive peak avalanche
tp = 1µs Tj = 25°C 1200 1200 900
power
Storage temperature range
- 65 to + 150
Maximum operating junction temperature *
150
Critical rate of rise of reverse voltage
10000
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)
July 2003 - Ed: 4A
1/5
1 page  
PACKAGE MECHANICAL DATA
DO41 plastic
CA
C
O/ D O/ D
1N581x
DIMENSIONS
O/ B REF. Millimeters Inches
Min. Max. Min. Max.
A 4.1 5.2 0.16 0.205
B 2 2.7 0.08 0.107
C 25.4
1
D 0.71 0.86 0.028 0.034
Ordering type Marking
1N581x
Part number
cathode ring
1N581xRL
Part number
cathode ring
n Epoxy meets UL94,V0
Package
DO41
DO41
Weight
0.34g
0.34g
Base qty
2000
5000
Delivery mode
Ammopack
Tape & reel
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written
approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2003 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - Finland - France - Germany
Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore
Spain - Sweden - Switzerland - United Kingdom - United States.
http://www.st.com
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