Littelfuse Inc. GTCR37-151M-R10
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- GTCR37-151M-R10
- Littelfuse Inc.
- GDT 150V 20% 10KA THROUGH HOLE
- Gas Discharge Tube Arresters (GDT)
- GTCR37-151M-R10 Datasheet
- Radial Cylinder, 3 Lead
- Radial Cylinder, 3 Lead
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Lead free / RoHS Compliant - 2792
- Spot Inventory / Athorized Dstributor / Factory Excess Stock
- 1 year quality assurance 》
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What is GTCR37-151M-R10
Littelfuse Inc. Part Number GTCR37-151M-R10（Gas Discharge Tube Arresters (GDT)）, developed and manufactured by Littelfuse Inc., distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.
GTCR37-151M-R10 is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.
GTCR37-151M-R10 Specifications
- Part NumberGTCR37-151M-R10
- CategoryGas Discharge Tube Arresters (GDT)
- ManufacturerLittelfuse Inc.
- DescriptionGDT 150V 20% 10KA THROUGH HOLE
- PackageRadial Cylinder, 3 Lead
- SeriesGT
- Mounting TypeThrough Hole
- Package / CaseRadial Cylinder, 3 Lead
- Tolerance±20%
- Number of Poles3
- Voltage - DC Spark Over (Nom)150V
- Impulse Discharge Current (8/20µs)10000A (10kA)
- Fail ShortNo
Application of GTCR37-151M-R10
GTCR37-151M-R10 Datasheet
GTCR37-151M-R10 Datasheet , Radial Cylinder, 3 Lead,GT,Through Hole,Radial Cylinder, 3 Lead,±20%,3,150V,10000A (10kA),No
GTCR37-151M-R10 Classification
Gas Discharge Tube Arresters (GDT)
FAQ about Gas Discharge Tube Arresters (GDT)
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1. What is a gas discharge tube arrester?
A gas discharge tube arrester is a device that uses the principle of gas discharge to achieve overvoltage protection. It is mainly composed of a ceramic sealed discharge tube, which contains two or more metal electrodes with gaps and is filled with inert gas such as argon or neon. When the external voltage exceeds the breakdown voltage of the discharge tube, the gas in the tube is ionized under the action of the electric field to form a conductive channel, which quickly discharges the large current and high voltage generated by the lightning strike, thereby protecting the subsequent circuit from damage. Once the overvoltage disappears, the discharge tube will return to a high-resistance insulation state, waiting for the next impact.
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2. How does GDT work?
The working principle of GDT (gas discharge tube) is mainly based on its electrical characteristics, which are determined by the type of gas, pressure and electrode distance. The GDT is filled with inert gas (such as neon or argon) and maintains a certain pressure. When the voltage across the GDT rises to a value greater than its discharge voltage, the gas begins to ionize, causing the discharge tube to conduct, changing from a high impedance state to a low impedance state, thereby rapidly reducing the voltage across the two ends.
The working process of GDT can be divided into the following stages:
Insulation state: When there is no surge, GDT is in an open circuit state, which is equivalent to a high-impedance insulator with a very large resistance (usually greater than 1000 megohms), almost no leakage current or very small leakage current.
Discharge state: When the voltage across the GDT rises to a value greater than its discharge voltage, the gas begins to ionize and the discharge tube is turned on. At this time, the GDT changes from a high-impedance state to a low-impedance state, causing the voltage across its two ends to drop rapidly, usually by tens of volts.
Follow-current effect: Due to the follow-current characteristics of the gas discharge tube, even if the surge voltage disappears, as long as a certain voltage (usually above 15V) is maintained at both ends, the GDT will remain in the on state and continue to conduct electricity.
The application scenarios of GDT mainly include lightning surge protection, which is suitable for lightning protection of AC and DC power supplies and signal circuits. It can quickly turn on when a surge arrives, limit the voltage peak, and protect the connected electronic equipment from damage. -
3. What are the advantages and disadvantages of GDT?
Advantages: before breakdown, it is equivalent to an open circuit, with high resistance and low leakage current; after breakdown, it can pass a large current with low voltage drop; the pulse flow rate is large, and the commonly used specifications are 2KA, 10KA, 20KA, etc., and the highest can reach more than 100KA; the junction capacitance is low, and most of them are less than 2pF.
Disadvantages: The response speed is slow, generally 0.2~0.3 microseconds, and the fastest is about 0.1 microseconds; the breakdown voltage consistency is poor, the dispersion is large, generally ±20%; the breakdown voltage has only a few specific values.
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