Gas Discharge Tubes
GTCX38-XXXM-R10 Series
Raychem Circuit Protection 8mm 3Pole 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.
Raychem 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. Raychem Circuit
Protection GDTs can help equipment meet the
most stringent regulatory standards.
Benefits:
•
Helps provide overvoltage fault protection against
high energy surges
•
Suitable for high-frequency applications
Features:
•
3Pole, 8mm devices
•
Broad voltage range from 75V-600V
•
Various form factors: surface-mount, leaded, no
leads
•
Optional fail-short mechanism on some devices
•
Low capacitance and insertion loss
•
Crowbar overvoltage protection
•
UL 497B recognized
•
RoHS compliant
•
Devices tested per ITU K.12 recommendations
•
Non-radioactive materials
Applications:
•
Telecommunications
- MDF modules, xDSL equipment, RF system
protection, antenna, base station
•
Industrial and consumer electronics, such as
- Surge protectors
- Alarm system
Gas Discharge Tubes
© 2008, 2009 Tyco Electronics Corporation. All rights reserved.
1
Document: SCD 27381
Status: Released
Rev: B
Date: February 19, 2009
Gas Discharge Tubes
GTCX38-XXXM-R10 Series
GTCX35-XXX-R05 Series
Device Voltage Ratings and Part Marking
Part Number
DC Sparkover
@100V/s
±20% Tolerance
(V)
GTCX38-750M-R10
GTCX38-900M-R10
GTCX38-141M-R10
GTCX38-151M-R10
GTCX38-201M-R10
GTCX38-231M-R10
GTCX38-251M-R10
GTCX38-261M-R10
GTCX38-301M-R10
GTCX38-351M-R10
GTCX38-401M-R10
GTCX38-421M-R10
GTCX38-471M-R10
GTCX38-501M-R10
GTCX38-551M-R10
GTCX38-601M-R10
75
90
140
150
200
230
250
260
300
350
400
420
470
500
550
600
Impulse
Sparkover
DC Holdover
Voltage
Per ITU K.12
(<150ms)
(V)
<52
<52
<80
<80
<135
<135
<135
<135
<150
<150
<150
<150
<150
<150
<150
<150
On-State Voltage
Nominal
(@ 1A)
(V)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
@100 Vµs (V)
450
450
500
500
600
600
600
700
800
900
900
900
1050
1100
1300
1300
@1000 Vµs (V)
550
550
600
600
700
700
700
800
900
1000
1000
1000
1150
1200
1400
1400
Device Surge Rating, Capacitance, Insulation Resistance, UL
Impulse
Discharge
Current
8x20µs
10 hits
GTCX38-XXXM-R10
10kA
AC
Discharge
Current
(1sec duration;
10 hits)
@50 Hz
10Arms
Part Number
Impulse
Life
Capacitance
Insulation
Resistance
UL
Rating
10x1000µs
300 hits
200A
@1Mhz
<1pF
@100V*
10,000 (MΩ)
UL497B
#E179610
All Devices
* Devices <=150V measured @ 50V.
Devices >= 500V measured @ 250V
Gas Discharge Tubes
© 2008, 2009 Tyco Electronics Corporation. All rights reserved.
2
Document: SCD 27381
Status: Released
Rev: B
Date: February 19, 2009
Gas Discharge Tubes
GTCX38-XXXM-R10 Series
GTCX35-XXX-R05 Series
Product Dimensions
DIMENSIONS = MILLIMETERS [INCHES]
Axial Leaded with- FS (GTCA38-XXXM-R10-FS2)
Axial Leaded with-FS (GTCA38-XXXM-R10-FS)
Axial Leaded with- FT (GTCA38-XXXM-R10-FT)
Axial Leaded (GTCA38-XXXM-R10)
Gas Discharge Tubes
© 2008, 2009 Tyco Electronics Corporation. All rights reserved.
3
Document: SCD 27381
Status: Released
Rev: B
Date: February 19, 2009
Gas Discharge Tubes
GTCX38-XXXM-R10 Series
GTCX35-XXX-R05 Series
Radial Leaded with- FT (GTCR38-XXXM-R10-FT)
Radial Leaded with-FS (GTCR38-XXXM-R10-FS2)
Radial Leaded with-FS (GTCR38-XXXM-R10-FS)
Radial Leaded (GTCR38-XXXM-R10)
Gas Discharge Tubes
© 2008, 2009 Tyco Electronics Corporation. All rights reserved.
4
Document: SCD 27381
Status: Released
Rev: B
Date: February 19, 2009
Gas Discharge Tubes
GTCX38-XXXM-R10 Series
GTCX35-XXX-R05 Series
No Leads with-FT (GTCN38-XXXM-R10-FT)
No Leads (GTCN38-XXXM-R10)
Surface-mount (GTCS38-XXXM-R10)
Pad Layout – Surface-mount Devices (GTCS38-XXXM-R10)
mm:
in*:
X
NOM
9.0
(0.354)
Y1
NOM
4.65
(0.183)
Y2
NOM
4.65
(0.183)
Z1
NOM
2.5
(0.098)
Z2
NOM
1.5
(0.059)
Gas Discharge Tubes
© 2008, 2009 Tyco Electronics Corporation. All rights reserved.
5
Document: SCD 27381
Status: Released
Rev: B
Date: February 19, 2009
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