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SMTPB245

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

SMTPB245 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
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