ITA18B1 STMicroelectronics, ITA18B1 Datasheet

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ITA18B1

Manufacturer Part Number
ITA18B1
Description
TRANSIL ARRAY BIDIR DATA 8-SOIC
Manufacturer
STMicroelectronics
Series
TRANSIL™r
Datasheet

Specifications of ITA18B1

Voltage - Reverse Standoff (typ)
15V
Voltage - Breakdown
18V
Power (watts)
300W
Polarization
5 Channel Array - Bidirectional
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Polarity
Bidirectional
Clamping Voltage
25 V
Operating Voltage
15 V
Breakdown Voltage
18 V
Termination Style
SMD/SMT
Peak Surge Current
40 A
Peak Pulse Power Dissipation
300 W
Capacitance
350 pF
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Dimensions
3.9 mm W x 4.9 mm L x 1.75 mm H
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ITA18B1
Manufacturer:
ST
0
Part Number:
ITA18B1
Manufacturer:
ST
Quantity:
20 000
Part Number:
ITA18B1RL
Manufacturer:
ST
0
Part Number:
ITA18B1RL
Manufacturer:
ST
Quantity:
20 000
Part Number:
ITA18B1RL
Quantity:
120
Features
Complies with the following standards
Applications
Differential data transmission line protection, such
as:
Description
Transil diode arrays provide high overvoltage
protection by clamping action. Their
instantaneous response to transient overvoltages
makes them particularly suited to protect voltage
sensitive devices such as MOS technology and
low voltage supplied IC’s.
The ITA series combines high surge capability
against energetic pulses with high voltage
performance against ESD.
TM: Transil is a trademark of STMicroelectronics
November 2007
High surge capability Transil array:
I
Peak pulse power: 300 W (8/20 µs)
Up to 5 bidirectional Transil functions
Low clamping factor (V
level
Low leakage current
ESD protection up to 15 kV
IEC 61000-4-2 level 4
– 15 kV (air discharge)
– 8 kV (contact discharge)
MIL STD 883G- Method 3015-7: class 3B
– 25 kV (human body model)
RS-232
RS-423
RS-422
RS-485
PP
= 40 A (8/20 µs)
CL
Bidirectional Transil™ array for data line protection
/ V
BR
) at high current
Rev 2
Figure 1.
I/O2
I/O3
I/O4
I/O1
Functional diagram
1
2
3
4
SO-8
ITAxxB1
8
7
6
5
GND
GND
www.st.com
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ITA18B1 Summary of contents

Page 1

... MOS technology and low voltage supplied IC’s. The ITA series combines high surge capability against energetic pulses with high voltage performance against ESD. TM: Transil is a trademark of STMicroelectronics November 2007 ) at high current BR Figure 1. Rev 2 ...

Page 2

... Clamping voltage CL I Leakage current RM I Peak pulse current PP T Voltage temperature coefficient C Capacitance min. Order code ( ITA6V5B1 6.5 ITA10B1 10 ITA18B1 18 ITA25B1 25 1. Betwenn I/O pin and ground. 2. Between two input pins Bias MHz. 2 °C) amb Parameter (1) ( °C) amb max. (1) µA ...

Page 3

... ITA18B1 1E+0 ITA25B1 1E-1 0 1E+02 Characteristics Typical peak pulse power versus exponential pulse duration P ( ITA25B1 ITA18B1 ITA6V5B1 ITA10B1 t (ms) expo P 1E-02 1E-01 1E+00 1E+01 Peak current I inducing open DC circuit of the wire for one input/output versus pulse duration (typical values) I ...

Page 4

... This monolithic Transil Array is based on 6 unidirectional Transils with a common cathode and can be configurated to offer bidirectional functions. This imposes a maximum differential voltage between 2 input pins (see Table 3. Maximum differential voltages Order code ITA6V5B1 ITA10B1 ITA18B1 ITA25B1 Figure 8. RS-232 junction (typical application) 3 Ordering information scheme Figure 9. Ordering information scheme ...

Page 5

ITAxxB1 4 Package information ● Epoxy meets UL94 order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the ...

Page 6

... Ordering Information 5 Ordering Information Table 5. Ordering information Order code ITA6V5B1 ITA6V5B1RL ITA10B1 ITA18B1 ITA18B1RL ITA25B1 ITA25B1RL 6 Revision history Table 6. Document revision history Date 13-Dec-2004 15-Nov-2007 6/7 Marking Package 6V5B1 6V5B1 10B1 18B1 SO-8 18B1 25B1 25B1 Revision Description of changes 1 First issue. ...

Page 7

... ITAxxB1 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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