ESDA25B1RL STMicroelectronics, ESDA25B1RL Datasheet

IC VOLT SUPPRESSOR 8-SOIC

ESDA25B1RL

Manufacturer Part Number
ESDA25B1RL
Description
IC VOLT SUPPRESSOR 8-SOIC
Manufacturer
STMicroelectronics
Series
TRANSIL™r
Datasheet

Specifications of ESDA25B1RL

Voltage - Reverse Standoff (typ)
24V
Voltage - Breakdown
25V
Power (watts)
150W
Polarization
6 Channel Array - Bidirectional
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Number Of Elements
4
Polarity
Bi-Directional
Operating Temperature Classification
Military
Reverse Breakdown Voltage
25V
Reverse Stand-off Voltage
24V
Leakage Current (max)
2uA
Peak Pulse Power Dissipation
150W
Test Current (it)
1mA
Operating Temp Range
-55C to 125C
Mounting
Surface Mount
Pin Count
8
Operating Voltage
24 V
Breakdown Voltage
30 V
Termination Style
SMD/SMT
Capacitance
15 pF
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Dimensions
4 mm W x 5 mm L x 1.75 mm H
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2488-2

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APPLICATIONS
Where transient overvoltage protection in ESD
sensitive equipment is required, such as :
It is particulary recommended for RS232 I/O port
protection where the line interface withstands only
2 kV ESD surges.
FEATURES
DESCRIPTION
The ESDA25B1 is a monolithic voltage suppressor
designed to protect components which are
connected to data and transmission lines against
EDS.
BENEFITS
High ESD protection level : up to 25 kV
High integration
Suitable for high density boards
COMPLIES WITH THE FOLLOWING STANDARDS :
IEC 1000-4-2 : level 4
MIL STD 883C-Method 3015-6 : class 3
(human body model)
October 1999 - Ed : 2
- COMPUTER
- PRINTERS
- COMMUNICATION SYSTEMS
Application Specific Discretes
6 BIDIRECTIONAL TRANSIL FUNCTIONS
VERY LOW CAPACITANCE : C= 20 pF @ V
150 W peak pulse power (8/20 s)
®
A.S.D.
RM
FUNCTIONAL DIAGRAM
I/O 1
I/O 2
I/O 3
G N D
FOR ESD PROTECTION
1
2
3
4
TRANSIL
SO-8
ESDA25B1
8
7
6
5
ARRAY
I/O 6
I/O 5
I/O 4
G N D
1/5

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ESDA25B1RL Summary of contents

Page 1

Application Specific Discretes A.S.D. APPLICATIONS Where transient overvoltage protection in ESD sensitive equipment is required, such COMPUTER - PRINTERS - COMMUNICATION SYSTEMS It is particulary recommended for RS232 I/O port protection where the line interface withstands ...

Page 2

ESDA25B1 ABSOLUTE MAXIMUM RATINGS (T Symbol V Electrostatic discharge PP MIL STD 883C - Method 3015-6 P Peak pulse power (8/ Storage temperature range stg T Maximum junction temperature j T Maximum lead temperature for soldering during ...

Page 3

CALCULATION OF THE CLAMPING VOLTAGE USE OF THE DYNAMIC RESISTANCE The ESDA family has been designed to clamp fast spikes like ESD. Generally the PCB designers need to calculate easily the clamping voltage V This is why we give the ...

Page 4

ESDA25B1 Fig Peak power dissipation versus initial junction temperature. Ppp[Tj initial]/Ppp[Tj initial=25°C] 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 Tj initial(°C) 0.1 0 Fig Clamping voltage versus peak pulse ...

Page 5

... 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. ...

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