3-Electrode Gas Discharge Tube (GDT)
UN3E8 Series
UN3E8-XXXHM
UN3E8-XXXHMF
Description
Gas discharge Tubes (GDT) are classical components for
protecting the installations of the telecommunications. It is
essential that IT and telecommunications systems -with their
high-grade but sensitive electronic circuits - be protected by
arresters. They are thus fitted at the input of the power supply
system together with varistors and at the connection points to
telecommunication lines. They have become equally indispensable
for protecting base stations in mobile telephone systems as well as
extensive cable television (CATV) networks with their repeaters
and distribution systems.
UN3E8-XXXHP
UN3E8-XXXH
These protective components are also indispensable in other
sectors, In AC power transmission systems, they are often used
with current-limiting varistors, In customer premises equipment
such as DSL modems, WLAN routers, TV sets and cable modems
In air-conditioning equipment, the integral black-box concept offers
graduated protection by combining arresters with varistors, PTC,
diodes and inductor.
Schematic Symbol
a = Tip
a
b
b = Ring
e = Ground
(center electrode)
Agency Approvals
AGENCY
Features
u
u
u
u
u
u
Non-Radioactive
RoHS compliant
Low insertion loss
Excellent response to fast rising transients
Ultra low capacitance
20KA surge capability tested with 8/20μs
pulse as defined by IEC 61000-4-5
Available with thermal failsafe option (add ‘F’ suffix to part
number)
AGENCY FILE NUMBER
E341061
Product Characteristics
Materials
Nickel-plated with Tinplated wires
u
UNION
XXXH
XXX -Nominal voltage
Product Marking
Applications
H
-20KA
u
u
u
u
u
u
u
u
u
u
u
Communication equipment
CATV equipment
Glow to Arc
Transition Current
~1 Amps
~70 Volts
Test equipment
Glow Voltage
Data lines
Storage and
Operational
Temperature
-40 to +90°C
Power supplies
Telecom SLIC protection
Broadband equipment
ADSL equipment, including ADSL2+
XDSL equipment
UN3E8-XXXHM
UN3E8-XXXHMF
UN3E8-XXXHP
UN3E8-XXXH
~2.0g
~2.3g
~2.1g
~1.8g
Weight
Satellite and CATV equipment
Consumer electronics
Climatic category
(IEC 60068-1)
40/ 90/ 21
SOCAY Electronics Co., Ltd.
www.socay.com
@SOCAY Electronics Co., Ltd. 2014
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Revision March 6, 2014
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