Gas Discharge Tubes
GTCX25-XXXM-R02 Series
Littelfuse Circuit Protection 5mm 2Pole GDTs
(ceramic gas discharge tubes), are commonly
used to help protect sensitive telecom equipment
such as communication lines, signal lines and data
transmission lines from damage caused by
transient surge voltages that typically result from
lightning strikes and equipment switching
operations.
Littelfuse Circuit Protection GDTs offer a high level
of surge protection, low capacitance and a broad
array of breakover voltage levels, making them
suitable for applications such as MDF (Main
Distribution Frame) modules, high data-rate
telecom applications (e.g. ADSL, VDSL), and
surge protection on power lines. Littelfuse Circuit
Protection GDTs, can help equipment meet the
most stringent regulatory standards.
Benefits:
Features:
Compact, small form factor suitable for efficient
assembly
2Pole, 5mm devices
Broad voltage range from 75V-600V
Helps provide overvoltage fault protection against
high energy surges
Various form factors: surface mount, axial leads, no
leads
Suitable for high-frequency applications
Low capacitance and insertion loss
UL 497B recognized
RoHS compliant
Devices tested per ITU K.12 recommendations
Non-radioactive materials
Applications:
Telecommunications
• Industrial and consumer electronics, such as
- MDF modules, xDSL equipment, RF system
- Surge protectors
protection, antenna, base station
- Alarm system
Telecommunications
© 2016 Littelfuse,Inc.
Specifications
subject
to changexDSL
withoutequipment,
notice.
are
MDF
modules,
RF sytem
Revised July 26,2016
Protection, antenna, pase station
• Industrial and consumer electronics, such as
1
Document: SCD27304
Status: Released
Rev: B Date: JULY 26, 2016
Gas Discharge Tubes
GTCX25-XXXM-R02 Series
Device Voltage Ratings and Part Marking
Part Number
Impulse
Sparkover
DC Sparkover
DC Holdover
Voltage
On-State Voltage
@100V/s
±20% Tolerance
(V)
@100 V/µs (V)
@1000 V/µs (V)
GTCX25-750M-R02
75
450
550
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