| Allicdata Part #: | 570-1455-ND |
| Manufacturer Part#: |
SL18 16004 |
| Price: | $ 0.89 |
| Product Category: | Circuit Protection |
| Manufacturer: | Ametherm |
| Short Description: | ICL 16 OHM 20% 4A 18MM |
| More Detail: | Inrush Current Limiter 16 Ohms ±20% 4A 0.748" (19.... |
| DataSheet: |  SL18 16004 Datasheet/PDF |
| Quantity: | 500 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 1 +: | $ 0.80640 |
| 5 +: | $ 0.78120 |
| 10 +: | $ 0.73080 |
| 50 +: | $ 0.60480 |
| 100 +: | $ 0.50400 |
| 250 +: | $ 0.49140 |
| 500 +: | $ 0.41580 |
| 1000 +: | $ 0.36540 |
| 5000 +: | $ 0.32760 |
Specifications
| Series: | SL18 |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| R @ 25°C: | 16 Ohms |
| Tolerance: | ±20% |
| Current - Steady State Max: | 4A |
| R @ Current: | 270 mOhms |
| Diameter: | 0.748" (19.00mm) |
| Lead Spacing: | 0.307" (7.80mm) |
| Approvals: | -- |
Description
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Inrush Current Limiters (ICL), also known as Inrush Current Limiters or Surge Current Limiters, are dynamic electronic devices that are used to limit the amount of current drawn by an electrical circuit at the time of start up. This inrush current can be damaging to components and even cause system failure. The SL18 16004 is a type of Inrush Current Limiter (ICL) designed for use in DC power supply applications. It operates by clamping the peak inrush current to a predetermined level, while allowing the normal operating current to pass through the circuit unchecked.
The SL18 16004 is an integrated circuit designed to protect against inrush current and provide system protection. It is designed to be used in power supplies and other electrical applications that require over-current protection. The SL18 16004 has a built-in, fixed resistor that clamps the current spikes associated with inrush current to a fixed level. This resistor acts as an effective current limiter for inrush current but does not restrict normal D.C. operating current. The device is triggered when a preset height voltage is reached, and the current is clamped to a fixed value when the preset voltage is applied. This clamping limit current is usually set to be within the rating of the device being protected, to ensure that it is not damaged by the inrush current.
The functioning of the SL18 16004 can be broken down into three distinct steps. First, the current is sensed with the integrated resistor. When the voltage across the resistor reaches a preset level, the resistor starts to conduct and limits the current. Second, a driver stage is activated, and the voltage across the driver resistor is gradually increased until it reaches the desired clamping limit. Third, once the voltage across the resistor reaches the clamping limit, the current is thus stabilized and limited to the preset level.
In terms of application field, the SL18 16004 is primarily used to protect against inrush current in DC power supply applications such as motor drive systems, UPS systems, and solar inverters. It is also used in power amplifiers and inductive load switching. The device is capable of withstanding up to 500V, and has an operating temperature range of -40°C to +105°C.
In conclusion, the SL18 16004 Inrush Current Limiter is an integrated circuit designed to protect against excessive inrush current in DC power supply applications. It works by clamping the inrush current spike to a preset level, allowing normal operating currents to pass through unchecked. This device is suitable for use in applications such as motor drive systems, UPS systems, solar inverters, power amplifiers, and inductive load switching.
The specific data is subject to PDF, and the above content is for reference
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