SL1021A090R

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Gas Discharge Tube Arresters (GDT) are designed to protect electrical equipment from damage caused by lightning and high-voltage transients. The SL1021A090R is a GDT specifically designed for use in low-voltage power systems, such as automotive, telecommunications, and other non-domestic applications. In this article, we will discuss the application field and working principle of SL1021A090R.

SL1021A090R is an example of GDT, a device which is used to protect electrical circuits, such as those found in telecommunications networks and data centers, from transient voltage surges and overvoltages. The SL1021A090R has an operating voltage range of 90V-200V, peak current of 12A and response time of less than 25 nanoseconds. This makes it especially suitable for protecting low-voltage equipment, such as core networks, modems, telephone systems, and other sensitive electronic devices. The device is designed to provide long-term protection against high-voltage transients and lightning events, withstanding up to 10KV and 2000A peak current.

The working principle of the SL1021A090R is simple and relies on a gas-discharge technology. When a voltage higher than the rated voltage is applied to the device, a spark discharge occurs inside the tube within nanoseconds. This spark discharge effectively “arrests” the transient voltage, redirecting it away from the protected equipment. The device contains an internal protection circuit that limits the current into the protected equipment to a safe level. Together, the spark discharge and the internal protection circuit ensure that overvoltage transients are effectively clamped and turned into harmless voltage spikes.

The SL1021A090R GDT is an ideal choice for applications where low-voltage power protection is needed. It is designed to withstand very high-voltage transients and lightning events, and is suitable for use in both indoor and outdoor environments. Additionally, the device is RoHS compliant and operates over a wide temperature range, making it an ideal solution for protecting sensitive electronics from voltage surges.

In summary, the SL1021A090R Gas Discharge Tube Arresters offer reliable protection from overvoltage transients and lightning events. With its simple yet effective working principle, wide operating temperature range, and high peak current ratings, the SL1021A090R is an ideal choice for low-voltage power applications.

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