EEWORLDEEWORLDEEWORLD

Part Number

Search

SMTPB257

Description
TRISILTM
File Size52KB,5 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet View All

SMTPB257 Overview

TRISILTM

®
SMTPB SERIES
TRISIL
TM
MAIN APPLICATIONS
Any sensitive equipment requiring protection
against lightning strikes:
ANALOG AND DIGITAL LINE CARDS
MAIN DISTRIBUTION FRAMES
TERMINALS AND TRANSMISSIONEQUIPMENT
GMS-TUBE REPLACEMENT
DESCRIPTION
The SMTPBxx series has been designedto protect
telecommunication equipment against lightning
and transient induced by AC power lines.
FEATURES
BIDIRECTIONAL CROWBAR PROTECTION.
BREAKDOWN VOLTAGE RANGE:
From 62 V To 270 V.
HOLDING CURRENT: I
H
= 150 mA min
REPETITIVE PEAK PULSE CURRENT :
I
PP
= 100 A, 10/1000
µs.
BENEFITS
NO AGEING AND NO NOISE
IF DESTROYED, THE SMTPB FALLS INTO
SHORT CIRCUIT, STILL ENSURING
PROTECTION
COMPLIES WITH THE
FOLLOWING STANDARDS:
CCITT K20
VDE0433
VDE0878
IEC-1000-4-5
FCC Part 68, lightning surge
type A
FCC Part 68, lightning surge
type B
BELLCORE TR-NWT-001089
First level
BELLCORE TR-NWT-001089
Second level
CNET l31-24
August 1999 - Ed: 2C
SMC
SCHEMATIC DIAGRAM
Peak Surge
Voltage
(V)
4000
4000
4000
level 4
level 4
1500
800
100
2500
1000
500
4000
Voltage
Waveform
(
µ
s)
10/700
10/700
1.2/50
10/700
1.2/50
10/160
10/560
5/320
2/10
10/1000
2/10
0.5/700
Current
Waveform
(
µ
s)
5/310
5/310
1/20
5/310
8/20
10/160
10/560
5/320
2/10
10/1000
2/10
0.8/310
Admissible
Ipp
(A)
100
100
100
100
100
200
100
25
500
100
500
100
Necessary
Resistor
(
)
-
-
-
-
-
-
-
-
-
-
-
-
1/5
New version of 1.3 yuan USB and Touchkey microcontroller CH554 evaluation board related resources and introduction
{:1_123:}[size=4][color=#ff0000]From now until March 20, [url=https://bbs.eeworld.com.cn/thread-619367-1-1.html]the new 1.3 yuan single-chip CH554 evaluation board is available for free application, a...
EEWORLD社区 MCU
The code of the song in the single chip music player
How do I get the code for the song in the single-chip music player? I read some tutorials on the Internet. It's very troublesome to calculate them one by one. And I'm not familiar with music. This is ...
hudoudou Embedded System
I use it in wince
I used the SendMessage(m_hCtlHtml, DTM_NAVIGATE, "file://\\files\\a.htm") method in wince to display a web page, but none of the links in it can be clicked. Why is this? Please help me! Thank you~...
shhuikun Embedded System
My TI Magic Core Classroom Tour - Learn about Texas Instruments TI Hope Primary School
[color=#000][size=3][font=微软雅黑] I have never had the opportunity to visit a Hope Primary School in all these years, from school to work. Although I have donated clothes to the Hope Project in response...
eric_wang TI Technology Forum
nios2 download verification error
[font=微软雅黑][size=14px]Hello heroes: [/size][/font] [font=微软雅黑][size=14px]I encountered the following problem when downloading the niosii elf file: [/size][/font] [font=微软雅黑][size=14px]verifying failed...
ZS10060201 FPGA/CPLD
About the evc button problem
Programming environment: evc Program function: Click the button to pop up a dialog box Description: In evc, MFC is used to write an application program to realize that clicking button button1 will pop...
chennan Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1393  2753  602  2098  1129  29  56  13  43  23 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号