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PDF ESDA25B1 Data sheet ( Hoja de datos )
| Número de pieza | ESDA25B1 | |
| Descripción | TRANSIL ARRAY FOR ESD PROTECTION | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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®
Application Specific Discretes
A.S.D.™
APPLICATIONS
Where transient overvoltage protection in ESD
sensitive equipment is required, such as :
- COMPUTER
- PRINTERS
- COMMUNICATION SYSTEMS
It is particulary recommended for RS232 I/O port
protection where the line interface withstands only
2 kV ESD surges.
ESDA25B1
TRANSIL™ ARRAY
FOR ESD PROTECTION
FEATURES
6 BIDIRECTIONALTRANSIL™ FUNCTIONS
VERY LOW CAPACITANCE : C= 20 pF @ VRM
150 W peak pulse power (8/20 µs)
DESCRIPTION
The ESDA25B1 is a monolithic voltage suppressor
designed to protect components which are
connected to data and transmission lines against
EDS.
SO-8
FUNCTIONAL DIAGRAM
BENEFITS
High ESD protection level : up to 25 kV
High integration
Suitable for high density boards
COMPLIESWITH THE FOLLOWING STANDARDS :
IEC 1000-4-2 : level 4
MIL STD 883C-Method 3015-6 : class 3
(human body model)
I/O 1 1
I/O 2 2
I/O 3 3
GND 4
8 I/O 6
7 I/O 5
6 I/O 4
5 GND
October 1999 - Ed : 2
1/5
1 page  
ORDER CODE
ESDA 25 B 1 RL
ESD ARRAY
PACKAGING:
RL = Tape and reel
= Tube
VBR min
PACKAGE : SO-8
Bidirectionel
ESDA25B1
MARKING : Logo, Date Code, E25B1
PACKAGE MECHANICAL DATA
SO-8 Plastic
Packaging : Preferred packaging is tape and reel.
Weight : 0.08g.
DIMENSIONS
REF. Millimeters
Inches
Min. Typ. Max. Min. Typ. Max.
A 1.75 0.069
a1 0.1
0.25 0.004
0.010
a2 1.65 0.065
a3 0.65
0.85 0.026
0.033
b 0.35
0.48 0.014
0.019
b1 0.19
0.25 0.007
0.010
C 0.25
c1
0.5 0.010
45° (typ)
0.020
D 4.8
5.0 0.189
0.197
E 5.8
6.2 0.228
0.244
e 1.27
0.050
e3 3.81
0.150
F 3.8
4.0 0.15
0.157
L 0.4
1.27 0.016
0.050
M 0.6 0.024
S 8° (max)
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 infringementof 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 ap-
proval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 1999 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia
Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.
http://www.st.com
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