Product Overview
The model of gas discharge arrester is TD-FDSMA-JK-1.Gas Discharge Tube Surge Protector utilized a gas-filled discharge tube(GDT). The GDT works as an insulator but can be automatically conductive in very short time when the lightening current flows into the protector, then the lightening current will be diverted to earth via outer contact and grounding means. Once the surge subsided, theGDT revert to its original condition, and be ready fornext spark-over.It can work repeatedly if on damage done to the GDT and the maintenance is easy since the GDT is replaceable. It has the characteristics of wide frequency range, low vswR, low insert loss and easy installation.(Some models were developed with CITEL).



Response Time
The response time of a gas discharge tube (GDT) is typically in the nanosecond range, which meets most power line protection requirements. However, in scenarios requiring ultra-fast response, other protection components (such as TVS diodes) should be used.
Capacitance
For high-frequency signal transmission or communication lines, a GDT with a low capacitance (<1pF) should be selected to avoid signal attenuation.
Electrical
|
Impedance |
50Ω |
|
Frequency Range |
0-3GHz |
|
VSWR |
≤1.20 |
|
Impulse discharge |
20KA(8/20μs) |
|
Insertion Loss |
≤0.2 |
|
Durability |
500cycles |
Material and Plating
| TD-FDSMA-JK-1 |
Material |
Plating |
|
Body |
Brass |
Cu-Sn-Zn3 |
|
Center conductor |
QBe2-Y |
Gold |
|
Coupling nut |
Brass |
Cu-Sn-Zn3 |
|
O-ring |
Silicone Rubber |
|
|
Insulator |
PTFE |
|
|
Screw |
Brass |
Cu-Sn-Zn3 |
|
Washer |
Standard |
|
|
Snap ring |
Phosphor bronze |
Environmental
|
Temperature Range |
-40℃ ~ +85℃ |
|
Humidity |
<95% |
|
Salt-fog Test |
96h |
Quality Control
Quality Control: We have a comprehensive quality control system, processes, and methods. We use a variety of testing equipment, including passive intermodulation testers, network analyzers, RoHS environmental testers, and German Fischer film thickness testers. We thoroughly inspect all products for appearance and electrical performance.
Zhenjiang Tongda Electronics Co., Ltd. is a professional manufacturer of gas discharge arrester, providing you with products suitable for you.
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