| Allicdata Part #: | RER45F2490RC02-ND |
| Manufacturer Part#: |
RER45F2490RC02 |
| Price: | $ 15.36 |
| Product Category: | Resistors |
| Manufacturer: | Vishay Dale |
| Short Description: | RES CHAS MNT 249 OHM 1% 10W |
| More Detail: | 249 Ohms ±1% 10W Wirewound Chassis Mount Resistor |
| DataSheet: |  RER45F2490RC02 Datasheet/PDF |
| Quantity: | 1000 |
| 10 +: | $ 13.96130 |
| 30 +: | $ 12.72590 |
| 50 +: | $ 12.07350 |
| 100 +: | $ 11.63860 |
| 250 +: | $ 11.09060 |
Specifications
| Operating Temperature: | -55°C ~ 250°C |
| Failure Rate: | R (0.01%) |
| Package / Case: | Axial, Box |
| Lead Style: | Solder Lugs |
| Height - Seated (Max): | 0.405" (10.29mm) |
| Size / Dimension: | 0.750" L x 0.800" W (19.05mm x 20.32mm) |
| Mounting Feature: | Flanges |
| Coating, Housing Type: | Aluminum |
| Features: | Military, Moisture Resistant, Non-Inductive |
| Series: | Military, MIL-PRF-39009, RER45 |
| Temperature Coefficient: | ±20ppm/°C |
| Composition: | Wirewound |
| Power (Watts): | 10W |
| Tolerance: | ±1% |
| Resistance: | 249 Ohms |
| Part Status: | Active |
| Packaging: | Bulk |
Description
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Chassis Mount Resistors are one of the most fundamental components in electronics. Among them, RER45F2490RC02 is a widely used model. This article will discuss the application field and working principle of RER45F2490RC02.
RER45F2490RC02 is a type of chassis mount resistor, with a high power rating and excellent thermal stability. It is a non-inductive and stackable device, and can be used in both analog and digital circuits. The RER45F2490RC02\'s application field includes high power switching, automotive electronics, high voltage power supplies, RF applications, and military electronics. It is also suitable for high speed motor control and for frequency conversion and filtering.
In terms of working principle, RER45F2490RC02 is based on a four-terminal configuration, with straight or bent terminals. Its resistance is determined by a pair of voltage divider resistors connected between the inputs and the ground, and a current source connected between the outputs and the ground. The resistance of the voltage divider resistors is determined by the value of the current source. The current source is determined by the resistance value of the voltage divider resistors and the input voltage.
RER45F2490RC02 also features a temperature compensation principle, which helps to maintain consistent performance over a wide range of temperatures. This feature increases the accuracy and reliability of the device by providing thermal compensation and avoiding drift due to thermal stress. Additionally, the RER45F2490RC02 is designed for drop-in mounting, making it easy to install and replace.
In summary, RER45F2490RC02 is a chassis mount resistor with a high power rating and excellent thermal stability. It has a wide application field including high power switching, automotive electronics, high voltage power supplies, RF applications, and military electronics. The device has a four-terminal configuration and features a temperature compensation principle for improved performance and accuracy. Additionally, it is designed for easy drop-in mounting.
The specific data is subject to PDF, and the above content is for reference
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