L225J5R0 OHMITE Wirewound Resistor

Review OHMITE Ohms Wirewound Resistor Type 270 225w 10.5 Inch 1.125

The Ohmite L225J5R0 wirewound resistor is a high-performance electrical component designed for various applications requiring high power handling and precise resistance values. This resistor is part of Ohmite's extensive range of wirewound resistors, known for their reliability and durability.

The Ohmite L225J5R0 resistor has a resistance value of 270 ohms with a power rating of 225 watts. This high power rating makes it suitable for applications where a significant amount of power is being dissipated, such as in power supplies, motor control circuits, and high power amplifiers.

The resistor is rated for a current of 10 amperes, ensuring it can handle the required electrical load without overheating. It is constructed with a resistance wire wound on a ceramic former, which provides excellent stability and accuracy in its resistance value. The wire used is a nickel-chromium alloy, known for its high temperature stability and resistance to oxidation.

The Ohmite L225J5R0 resistor has a temperature coefficient of resistance (TCR) of 250 ppm/ C, meaning its resistance value changes by 0.00025% for every degree Celsius change in temperature. This is an important consideration in applications where temperature stability is important, such as in precision instrumentation and control systems.

The resistor also features a tapered lead design, which provides improved mechanical strength and reduces the risk of lead fracture. The leads are made of high-quality copper, providing excellent electrical conductivity and durability.

The Ohmite L225J5R0 wirewound resistor is available in a TO-220 case, which is a standard package for high-power resistors. The case is made of high-temperature epoxy, ensuring excellent thermal conductivity and preventing the resistor from overheating.

In conclusion, the Ohmite L225J5R0 wirewound resistor is a high-quality, high-performance electrical component designed for applications requiring high power handling and precise resistance values. Its high temperature stability, excellent power rating, and high current handling capacity make it an ideal choice for a wide range of applications.

1. High Power Rating: This resistor has a power rating of 225W, making it suitable for high power applications.

2. Temperature Stability: Wirewound resistors like the L225J5R0 have excellent temperature stability, which is crucial in applications where temperature variation affects the resistance value.

3. Precision: Ohmite resistors are known for their precision, ensuring that the resistance value is accurate.

4. Long Life Span: Due to their construction, wirewound resistors have a longer life span compared to other types of resistors.

1. Size and Weight: Wirewound resistors are usually larger and heavier than other types of resistors due to their coiled design.

2. Cost: Wirewound resistors are typically more expensive than other types of resistors due to their complex manufacturing process.

3. Limited Frequency Response: Wirewound resistors may not be the best choice for high-frequency applications due to their inductive nature.

The Ohmite L225J5R0 wirewound resistor is a high-quality resistor with a high power rating, excellent temperature stability, and precision. However, its larger size, higher cost, and limited frequency response are drawbacks that should be considered. If these factors are not a concern for your application, then the L225J5R0 can be an excellent choice due to its reliability and long life span. If size, weight, or cost are concerns, or if high-frequency operation is required, other types of resistors may be more suitable.

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specifications passivecompos:

• brand: Ohmite
• mpn: L225j5r0
• power rating: 225 W
• termination style: Lug
• material: Vitreous Enamel
• item length: 10.5 Long
• series: 270
• type: Wire Wound Resistor
• resistance rating: 5 Ohms
• core: 10.5 X 1.125

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• category: Business & Industrial > Electronic Semiconductors > Passive Components > Fixed Resistors

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• item condition:
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• in stock #: 5
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• started: march 19, 2024
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