Shopping cart

Subtotal: $0.00
Gas Discharge Tube Arresters (GDT)
Gas Discharge Tube Arresters (GDT)

Gas Discharge Tube Arresters (GDT) Circuit Protection Solutions

Definition:
Gas Discharge Tube Arresters (GDTs) are specialized circuit protection devices designed to safeguard sensitive electronic equipment from voltage surges and transient overvoltages. Utilizing an inert gas-filled chamber, GDTs provide a high-impedance state under normal conditions but rapidly switch to a low-impedance state when exposed to excessive voltage, diverting harmful energy away from critical components. As a key subcategory of Circuit Protection, GDTs are widely used in telecommunications, power distribution, and industrial applications where robust surge suppression is essential.

Types of GDT Products:
1. 2-Electrode GDTs Basic surge protection for low-voltage circuits, commonly used in telecom and signal lines.
2. 3-Electrode GDTs Enhanced protection for balanced lines (e.g., DSL, Ethernet), offering symmetrical clamping.
3. Surface-Mount (SMD) GDTs Compact designs for modern PCB applications, ensuring space-efficient surge protection.
4. High-Current GDTs Built for heavy-duty industrial systems, capable of handling extreme surge currents (e.g., lightning strikes).

Purchasing Recommendations:
- Voltage Rating: Select a GDT with a DC spark-over voltage slightly above the operating voltage of your system.
- Current Capacity: Ensure the GDT s surge current rating matches or exceeds expected transient conditions (e.g., 5kA 20kA).
- Response Time: Opt for fast-acting GDTs (<100ns) for sensitive electronics.
- Certifications: Look for compliance with IEC 61643, UL 1449, or Telcordia GR-1089 standards.

Ideal for engineers designing surge protection modules (SPDs), GDTs offer reliable, long-lasting defense against electrical disturbances. Pair them with other circuit protection devices (e.g., TVS diodes) for layered protection strategies.

Found 3629 items

GTCC23-141M-R01-2

GDT 140V 1KA 2 POLE SMD


2027-07-BLF

GDT 75V 10KA 2 POLE THROUGH HOLE


B88069X4180B502

GDT 300V 2.5KA 2 POLE TH


GTCA28-351M-R20

GDT 350V 20KA 2 POLE TH


2020-42T-C4LF

GDT 360V 10KA 3 POLE TH


CG5600

GDT 600V 5KA 2 POLE


2035-40-SM-RP

GDT 400V 5KA 2 POLE SMD


2027-47-C

GDT 470V 10KA 2 POLE TH


B88069X3503B252

GDT 4000V 3KA 2 POLE TH


2036-09-SMLF

GDT 90V 10KA 3 POLE SMD


2036-25-B3FLF

GDT 250V 10KA 3 POLE TH


CG41.2SM

GDT 1200V 3KA 2 POLE SMD


GTCS26-201M-R05-2

GDT 200V 5KA 2 POLE SMD


2037-60-B

GDT 600V 5KA 2 POLE THROUGH HOLE


VIS600

GDT 600V 2 POLE THROUGH HOLE


2056-42-B2LF

GDT 420V 5KA 3 POLE THROUGH HOLE


CG2145L

GDT 145V 20KA 2 POLE TH


2026-15-C3

GDT 150V 20KA 3 POLE TH


GTCA28-471M-R10

GDT 470V 10KA 2 POLE TH


B88069X4293S102

GDT 90V 10KA 2 POLE THROUGH HOLE


Top