| Allicdata Part #: | SL222R508-B-ND |
| Manufacturer Part#: |
SL22 2R508-B |
| Price: | $ 0.70 |
| Product Category: | Circuit Protection |
| Manufacturer: | Ametherm |
| Short Description: | ICL 2.5 OHM 20% 8A 22MM |
| More Detail: | Inrush Current Limiter 2.5 Ohms ±20% 8A 0.866" (22... |
| DataSheet: |  SL22 2R508-B Datasheet/PDF |
| Quantity: | 1000 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 100 +: | $ 0.63882 |
Specifications
| Series: | SL22 |
| Packaging: | Bulk |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| R @ 25°C: | 2.5 Ohms |
| Tolerance: | ±20% |
| Current - Steady State Max: | 8A |
| R @ Current: | 60 mOhms |
| Diameter: | 0.866" (22mm) |
| Lead Spacing: | 0.307" (7.80mm) |
| Approvals: | -- |
Description
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Inrush Current Limiters (ICL) is a type of protecting devices used in electrical systems. It limits the inrush current generated during the induction of power. SL22 2R508-B is a typical ICL whose main applications and working principles will be discussed in this essay. SL22 2R508-B is mainly used in high power electronic equipment such as air conditioners, UPS, electrical motors, power rectifier and transformer. It is renowned for its inrush current protection and device protection. It has a current protection range of 40A -600A, and is very effective in protecting the device in case of over current. In terms of size, SL22 2R508-B is small and light-weighted, making it suitable for mounting in different sizes. It also acts as a thermal cut-out and activates when the current exceeds 600A. The operation is reliable and quick, where the limiting time of the device is minimized to prevent the damage of the device.In order to understand the working principle of SL22 2R508-B, it is important to know about its construction. It is constructed from four main parts, namely a heat-resistant plastic shell, a ceramic core, a copper contact and an arc-suppressing metal plate. The ceramic core contains a coil, which is responsible for the heat containment and the arc-suppressing metal plate is the one that interrupts the current path.When in operation, the SL22 2R508-B will firstSense the inrush current flowing through the power lines and will initiate the device protection. The heat-resistant plastic shell will expand to make contact with the copper contact and the arc-suppressing metal plate will close the circuit. This will result in the inrush current being limited and the device being protected from over-current. The maximal current threshold for SL22 2R508-B is 600A and when this level has been reached, the heat-resistant plastic shell will expand and the copper contact will be broken. This will cause the circuit to be closed and the inrush current to be limited.To sum up, SL22 2R508-B is a reliable Inrush Current Limiter (ICL) with a current protection range of 40A to 600A. It is mainly used in air conditioners, UPS, electrical motors, power rectifier, and transformers. It works by sensing the inrush current and activating the device protection and limiting the inrush current. It is relatively small in size and efficient in protecting devices from over-current.
The specific data is subject to PDF, and the above content is for reference
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