PRODUCT: GTCx28-xxxx-P15
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Gas Discharge Tube
High Surge Two Electrode Series
Overvoltage Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25820
REV LETTER: C
REV DATE: MAY 25, 2007
PAGE NO.: 1 OF 5
Specification Status: Released
BENEFITS
•
•
•
•
Helps provide overvoltage fault protection against high energy surges
Suitable for sensitive equipment due to excellent impulse sparkover response
Suitable for high-frequency applications
Highly reliable performance
FEATURES
•
•
•
•
•
•
Crowbar device with low arc-voltage
Low capacitance and insertion loss
High accuracy spark-over voltages for high precision designs
Tested per ITU K.12 recommendations
Optional Fail-Short mechanism
Non-radioactive materials
APPLICATIONS
•
Telecommunications:
- MDF modules, xDSL equipment, RF system protection
•
Industrial Electronics and Commercial Electronics, such as
- Power Supplies, Surge Protectors, Alarm systems
SYMBOL
TYPICAL APPLICATION SCHEMATIC
PolySwitch
Device
SiBar
Device
PRODUCT: GTCx28-xxxx-P15
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Gas Discharge Tube
High Surge Two Electrode Series
Overvoltage Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25820
REV LETTER: C
REV DATE: MAY 25, 2007
PAGE NO.: 2 OF 5
PART NUMBERING
EXAMPLE:
GT C N 2 8 - 231 M - P 15 - FS
Series
GT : Gas Tube
Material
C : Ceramic
Type
N : No Leads
A : Axial Leaded
Number of Electrodes
2 : Two
Diameter
8 : 8mm
Packaging
No Suffix: standard Tray packaging
-B: Bulk packaging (only upon special request)
with
Fail-Short
mechanism
Surge Rating
15 : 15kA (10 times 8 x 20μs)
Product Family
Voltage Tolerance
M : ± 20%
Voltage Designator
900 : 90 x 10^0 = 90V
151 : 15 x 10^1 = 150V
231 : 23 x 10^1 = 230V
251 : 25 x 10^1 = 250V
351 : 35 x 10^1 = 350V
DEVICE MARKING
EXAMPLE : GTCN28-900M-P15
09 P 15 GN
Week of Manufacture
Per Raychem Circuit Protection
lot number system :
E.g. G = First half of 2004; N = week 14
Surge Rating:
15 : 15kA
Product Family
Voltage Designator
09 : 90 V
Raychem Symbol
PRODUCT: GTCx28-xxxx-P15
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Gas Discharge Tube
High Surge Two Electrode Series
Overvoltage Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25820
REV LETTER: C
REV DATE: MAY 25, 2007
PAGE NO.: 3 OF 5
GENERAL CHARACTERISTICS
No Radioactive Material
Storage temperature:
Devices without Fail-Short Mechanism:
Devices with Fail-Short Mechanism:
Operating temperature:
Devices without Fail-Short Mechanism:
Devices with Fail-Short Mechanism:
Body: Nickel Plated
Leads: Tin Plated
-40°C … +90°C
-20°C … +65°C
-40°C … +90°C
-20°C … +65°C
DEVICE RATINGS AND CHARACTERISTICS
DC
Sparkover
Voltage
Impulse Sparkover
Voltage
Insulation
Resistance
DC
Capacitance Holdover Impulse Life
Voltage
Impulse Discharge
Current 8/20μs
AC Discharge
Current, 50Hz
Repeat
10 times
(1s
interval)
20A
20A
Part Number
@ 100V/s @ 100V/μs @ 1kV/μs
@ 100V
DC
@ 1MHz
Per
ITUK.12
10/1000μs,
100A
Repeat 10
Single
Single
times
Hit, 9
Hit
(5 times each
Cycles
polarity)
20kA
20kA
15kA
15kA
90A
90A
GTCN28-900M-P15
GTCA28-900M-P15
GTCN28-151M-P15
GTCA28-151M-P15
72 - 108V
120 - 180V
≤
450V
≤
500V
≤
500V
≤
600V
≥
10,000MΩ
≥
10,000MΩ
1
≤
1.5pF
≤
1.5pF
≤
1.5pF
≤
3.5pF
≤
1.5pF
≤
1.5pF
≤
1.5pF
≤
52V
≤
52V
300 times
300 times
1
GTCN28-231M-P15
GTCN28-231M-P15-FS 184 -280V
GTCA28-231M-P15
GTCN28-251M-P15
GTCA28-251M-P15
GTCN28-351M-P15
GTCA28-351M-P15
200 - 300V
280 - 420V
≤
600V
≤
700V
≥
10,000MΩ
≤
52V
300 times
20kA
15kA
90A
20A
≤
600V
≤
700V
≤
700V
≤
800V
≥
10,000MΩ
≥
10,000MΩ
≤
52V
≤
52V
300 times
300 times
20kA
20kA
15kA
15kA
90A
90A
20A
20A
Note 1. Insulation Resistance measured at 50 V
DC
.
PRODUCT: GTCx28-xxxx-P15
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Gas Discharge Tube
High Surge Two Electrode Series
Overvoltage Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25820
REV LETTER: C
REV DATE: MAY 25, 2007
PAGE NO.: 4 OF 5
DIMENSIONS
No Leads, no Fail-Short mechanism
(GTCN28-xxxx-P15)
A
mm:
in*:
MIN
5.8
0.23
MAX
6.2
0.24
MIN
7.8
0.31
C
MAX
8.2
0.32
*Rounded off approximation
No Leads, with Fail-Short mechanism
(GTCN28-231M-P15-FS)
Fail-Short Operation Time
50Hz 0.7A : 210s
2.0A : 60s
7.0A: <1s
A
mm:
in*:
MIN
5.8
0.23
MAX
6.2
0.24
MIN
--
--
B
MAX
9.5
0.37
MIN
7.8
0.31
C
MAX
8.2
0.32
MIN
--
--
F
MAX
7.0
0.28
MIN
--
--
G
MAX
3.0
0.12
*Rounded off approximation
Axial Leads, no Fail-Short mechanism
(GTCA28-xxxx-P15)
A
mm:
in*:
MIN
5.8
0.23
MAX
6.2
0.24
MIN
7.8
0.31
C
MAX
8.2
0.32
MIN
28.0
1.10
D
MAX
32.0
1.26
∅d
NOM
1.0
0.04
*Rounded off approximation
PRODUCT: GTCx28-xxxx-P15
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Gas Discharge Tube
High Surge Two Electrode Series
Overvoltage Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25820
REV LETTER: C
REV DATE: MAY 25, 2007
PAGE NO.: 5 OF 5
PACKAGING
Packaging
Quantity
Bulk*
( vacuum bags)
200
Tray
100
Standard Box
1,000**
* Standard packaging is in trays.
Bulk packaging is only available upon request.
** 5 bags or 10 trays
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of each
product for their applications. Tyco Electronics Corporation assumes no responsibility for the use of its product or for any infringement
of patents or other rights of third parties resulting from the use of its product. No license is granted by implication or otherwise under
any patent or proprietary right of Tyco Electronics except the right to use such product for the purpose for which it is sold. Tyco
Electronics reserves the right to change or update, without notice, any information contained in this publication; to change, without
notice, the design, construction, processing, or specification of any product; and to discontinue or limit production or distribution of any
product. This publication supersedes and replaces all information previously supplied. Without expressed or written consent by an
officer of Tyco Electronics, Tyco Electronics does not authorize the use of any of its products as components in nuclear facility
applications, aerospace, or in critical life support devices or systems. Tyco Electronics’ only obligations are those in the Tyco
Electronics Standard Terms and Conditions of Sale and in no case will Tyco Electronics be liable for any incidental, indirect, or
consequential damages arising from the sale, resale, use, or misuse of its products.
© 2004, 2007 Tyco Electronics Corporation. All rights reserved.
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