Littelfuse Inc. SL1021A260R
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- SL1021A260R
- Littelfuse Inc.
- GDT 260V 10KA THROUGH HOLE
- Gas Discharge Tube Arresters (GDT)
- SL1021A260R Datasheet
- Axial Cylinder, 3 Lead (Radial Bend)
- Axial Cylinder, 3 Lead (Radial Bend)
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Lead free / RoHS Compliant - 2168
- Spot Inventory / Athorized Dstributor / Factory Excess Stock
- 1 year quality assurance 》
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What is SL1021A260R
Littelfuse Inc. Part Number SL1021A260R（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.
SL1021A260R 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.
SL1021A260R Specifications
- Part NumberSL1021A260R
- CategoryGas Discharge Tube Arresters (GDT)
- ManufacturerLittelfuse Inc.
- DescriptionGDT 260V 10KA THROUGH HOLE
- PackageAxial Cylinder, 3 Lead (Radial Bend)
- SeriesSL1021A
- Mounting TypeThrough Hole
- Package / CaseAxial Cylinder, 3 Lead (Radial Bend)
- Number of Poles3
- Voltage - DC Spark Over (Nom)260V
- Impulse Discharge Current (8/20µs)10000A (10kA)
- Fail ShortNo
Application of SL1021A260R
SL1021A260R Datasheet
SL1021A260R Datasheet , Axial Cylinder, 3 Lead (Radial Bend),SL1021A,Through Hole,Axial Cylinder, 3 Lead (Radial Bend),3,260V,10000A (10kA),No
SL1021A260R Classification
Gas Discharge Tube Arresters (GDT)
FAQ about Gas Discharge Tube Arresters (GDT)
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1. What is a GDT gas discharge tube?
A GDT gas discharge tube (Gas Discharge Tube) is a device used to protect electronic equipment from transient voltage damage. It is mainly composed of one or more discharge gaps, sealed in a ceramic cavity or glass tube filled with inert gas. Under normal working conditions, the GDT maintains a high resistance state; when the voltage exceeds its breakdown voltage, the gas in the gas discharge tube is ionized to form a conductive path, which introduces the surge current into the ground, thereby protecting the equipment. Once the overvoltage disappears, the GDT returns to a high impedance state and waits for the next shock.
Working Principle
The working principle of GDT is based on the gas discharge phenomenon. Under normal operating voltage, the inert gas inside the GDT remains non-conductive and the device is in a high impedance state. When the voltage reaches or exceeds its breakdown voltage, the gas ionizes to form a plasma path, causing the GDT to present a low impedance state, directing the surge current into the ground, thereby protecting the device. After the overvoltage disappears, the GDT returns to a high impedance state. -
2. What is the difference between GDT and MOV?
GDT (gas discharge tube) and MOV (varistor) each have their own characteristics and applicable scenarios in circuit protection.
Working Principle and Characteristics
GDT: GDT is a switching overvoltage protection component with the characteristics of large flow rate, large inter-electrode insulation resistance, slow response speed and small parasitic capacitance. It is often used in high-frequency electronic circuit protection, especially as the first or second level protection in multi-level protection circuits. The working principle of GDT is to limit the voltage through gas discharge. When the voltage reaches a certain threshold, the gas in the gas discharge tube is ionized, thereby conducting the current and protecting the subsequent circuit.
MOV: MOV is a clamping type overvoltage protection component with large flow rate, slow response speed and large parasitic capacitance. MOV uses its nonlinear characteristics to clamp the voltage to a relatively fixed voltage value when overvoltage occurs, thereby protecting the subsequent circuit. The main materials of MOV are divalent element zinc and hexavalent element oxygen, and its nonlinear characteristics are used to limit the voltage. -
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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