B57211P0120M351 Circuit Protection |
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| Allicdata Part #: | 495-76255-2-ND |
| Manufacturer Part#: |
B57211P0120M351 |
| Price: | $ 0.28 |
| Product Category: | Circuit Protection |
| Manufacturer: | EPCOS (TDK) |
| Short Description: | ICL 12 OHM 20% 4A 13MM |
| More Detail: | Inrush Current Limiter 12 Ohms ±20% 4A 0.51" (13mm... |
| DataSheet: |  B57211P0120M351 Datasheet/PDF |
| Quantity: | 1000 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 1500 +: | $ 0.25225 |
| 3000 +: | $ 0.24324 |
| 7500 +: | $ 0.23423 |
| 10500 +: | $ 0.22523 |
| Series: | P11 |
| Packaging: | Tape & Reel (TR) |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| R @ 25°C: | 12 Ohms |
| Tolerance: | ±20% |
| Current - Steady State Max: | 4A |
| R @ Current: | 218 mOhms |
| Diameter: | 0.51" (13mm) |
| Lead Spacing: | 0.295" (7.50mm) |
| Approvals: | -- |
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Inrush Current Limiters (ICL) are an important part of electrical systems. They are used to regulate the maximum allowable current flowing through a circuit. This is used to prevent the circuit from being overloaded or damaged. In this article, we will discuss the application field and working principle of the B57211P0120M351 ICL.
The B57211P0120M351 is an Inrush Current Limiter (ICL) that is most commonly used in power supplies, power converters, and DC-DC converters. It is designed to limit the amount of instantaneous current flow into the system, which helps protect the system from an overload. The device provides up to 50A current limiting over a wide range of temperature and voltage ranges. This makes it ideal for many high-current applications.
The working principle of the B57211P0120M351 ICL is based on the concept of thermal protection. The ICL has a variable resistor in the middle of the device which acts as a “thermal fuse”. When the current passes through the resistor, it creates heat. If the heat generated by the resistor exceeds its rating, the device will automatically shut off, protecting the system from an overload. This thermal protection maintains stability and reliability of the circuit.
The B57211P0120M351 ICL offers a wide temperature range of -40 to +85 degrees Celsius. The device is available in both Through-Hole and Surface Mounted packages, allowing it to be easily integrated into any design. It meets UL 1699 requirements and is rated for 20A and 50A inrush current.
The B57211P0120M351 is a useful ICL for a variety of applications and is becoming increasingly popular in the power supply and power conversion industries. With its wide temperature range, robust construction, and reliable performance, the B57211P0120M351 is the perfect choice for your next power applications.
The specific data is subject to PDF, and the above content is for reference
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