| Allicdata Part #: | SL1021B400R-ND |
| Manufacturer Part#: |
SL1021B400R |
| Price: | $ 3.55 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | GDT 400V 20KA THROUGH HOLE |
| More Detail: | Gas Discharge Tube 400V 20000A (20kA) 3 Pole Thro... |
| DataSheet: |  SL1021B400R Datasheet/PDF |
| Quantity: | 682 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 1 +: | $ 3.22560 |
| 5 +: | $ 3.11472 |
| 10 +: | $ 3.00384 |
| 50 +: | $ 2.33642 |
| 100 +: | $ 1.94702 |
| 250 +: | $ 1.89139 |
| 500 +: | $ 1.61324 |
| 1000 +: | $ 1.52980 |
Specifications
| Series: | SL1021B |
| Packaging: | Tray |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| Voltage - DC Spark Over (Nom): | 400V |
| Impulse Discharge Current (8/20µs): | 20000A (20kA) |
| Tolerance: | -- |
| Number of Poles: | 3 |
| Fail Short: | No |
| Mounting Type: | Through Hole |
| Package / Case: | Axial Cylinder, 3 Lead (Radial Bend) |
Description
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SL1021B400R is a gas discharge tube (GDT) arrester that functions to protect electrical equipment from lightning surges, electrical noise and transient overvoltage. It is a multi-stage protective device that is engineered to consume high-energy pulses. GDT arresters provide superior electrical line protection for both high-voltage and low-voltage applications, making them a popular choice of protection equipment. GDT arresters are a type of voltage-dependent, non-linear resistor, and they are mainly used in power systems to prevent system damage and limit the flow of high-energy surge current when an overvoltage is applied.The SL1021B400R is a three-stage arrester with two resistive stages plus one gas-filled discharge tube. The two resistive stages are comprised of a varistor and a solid-state diode that are connected in series with the gas-filled tube. The varistor is a voltage-dependent non-linear device that is composed of sintered metal oxide and is designed to absorb surge energy and limit the voltage applied to the gas discharge tube. The solid-state diode is designed to limit the current to the discharge tube to a value that is less than its peak breakdown value. The role of the gas-filled discharge tube is to shunt the surge energy away from the protected equipment.The SL1021B400R GDT arrester is designed to be connected to an electrical power system in order to protect it from transient overvoltages. When an overvoltage is applied to the power system, the varistor absorbs much of the energy and limits the voltage applied to the gas-filled tube. The solid-state diode then limits the current to the tube, allowing the tube to shunt the remaining surge energy away from the protected equipment.SL1021B400R GDT arresters are suitable for many applications such as power networks, telecommunications systems, industrial process control systems, and other high-voltage applications. They provide the best protection available against sudden surges of electrical power, ensuring the safety of valuable equipment. SL1021B400R arresters are available in a variety of voltages and configurations, making them suitable for many different applications.GDT arresters may be used in a variety of applications where transient overvoltages are a concern. They are used in telecommunication networks, power transmission systems, distributed power networks, and other high-voltage applications. GDT arresters provide the best protection available against transient surge currents, ensuring the safety of the attached equipment. GDT arresters are typically less expensive than other types of overvoltage protection equipment, making them an ideal choice for many applications.In summary, the SL1021B400R is a three-stage gas discharge tube arrester that functions to protect electrical equipment from transient overvoltages. It is comprised of two resistive stages plus a gas-filled discharge tube and is suitable for many applications. SL1021B400R arresters are available in a variety of voltages and configurations, making them an ideal choice for many different applications.
The specific data is subject to PDF, and the above content is for reference
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