Bourns Inc. 2027-07-SMLF
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- 2027-07-SMLF
- Bourns Inc.
- GDT 75V 20% 10KA SURFACE MOUNT
- Gas Discharge Tube Arresters (GDT)
- 2027-07-SMLF Datasheet
- 2-SMD Cylinder Square End
- 2-SMD Cylinder Square End
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Lead free / RoHS Compliant - 1178
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What is 2027-07-SMLF
Bourns Inc. Part Number 2027-07-SMLF（Gas Discharge Tube Arresters (GDT)）, developed and manufactured by Bourns 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.
2027-07-SMLF 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.
2027-07-SMLF Specifications
- Part Number2027-07-SMLF
- CategoryGas Discharge Tube Arresters (GDT)
- ManufacturerBourns Inc.
- DescriptionGDT 75V 20% 10KA SURFACE MOUNT
- Package2-SMD Cylinder Square End
- Series2027
- Mounting TypeSurface Mount
- Package / Case2-SMD Cylinder Square End
- Tolerance±20%
- Number of Poles2
- Voltage - DC Spark Over (Nom)75V
- Impulse Discharge Current (8/20µs)10000A (10kA)
- Fail ShortNo
Application of 2027-07-SMLF
2027-07-SMLF Datasheet
2027-07-SMLF Datasheet , 2-SMD Cylinder Square End,2027,Surface Mount,2-SMD Cylinder Square End,±20%,2,75V,10000A (10kA),No
2027-07-SMLF Classification
Gas Discharge Tube Arresters (GDT)
FAQ about Gas Discharge Tube Arresters (GDT)
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1. 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. -
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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