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2176622-6

PWR RESISTOR 400W 5% 33R

Brand:

TE Connectivity Passive Product

inventory:

Price: $98.0190

5-2176632-4

SQB60 160R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price: $3.4020

5-2176632-9

SQB60 270R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price: $5.7150

4-2176632-0

SQB60 43R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price: $3.4020

7-2176631-7

SQB50 1K5 (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price: $4.8690

2176632-6

SQB60 1R6 (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price: $3.4020

2-2176631-8

SQB50 13R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price: $2.8530

TPAL0220F330RK9

RES 330 OHM 35W 1% T0220

Brand:

RESI

inventory:

Price: $1.5750

HVLR1529F20K0K9

RES 20K OHM 1% 15W AXIAL

Brand:

RESI

inventory:

Price: $19.9530

T50R0-250-12X

250W (50 OHM) DC-4GHZ BEO FLANGE

Brand:

Vishay / Barry

inventory:

100

Price: $18.0630

R50R0-800-1X

800W (50 OHM) BEO FLANGED RESIST

Brand:

Vishay / Barry

inventory:

Price: $104.9220

PWWR0013F5R60K9

5.6 OHMS 1% 13W 100PPM/

Brand:

RESI

inventory:

200

Price: $2.9340

PWWR0013F3K30K9

3.3 KOHMS 1% 13W 100PPM/

Brand:

RESI

inventory:

200

Price: $2.7900

PWWR0016F2R20K9

2.2 OHMS 1% 16W 100PPM/

Brand:

RESI

inventory:

176

Price: $5.5890

HVLR3908F2K40K9

RES 2.4K OHM 1% 3W AXIAL

Brand:

RESI

inventory:

Price: $8.4690

HVLR5208B1M30K9

RES 1.3M OHM 0.1% 5W AXIAL

Brand:

RESI

inventory:

Price: $41.8860

MMFR2568B15K0V9

15K OHM 0.1% 0.25W 5PPM/

Brand:

RESI

inventory:

Price: $2.4480

TPAN0220F1K30K9

RES 1.3K OHM 50W 1% T0220

Brand:

RESI

inventory:

Price: $1.8360

HVLR2408B2K10K9

RES 2.1K OHM 0.1% 2W AXIAL

Brand:

RESI

inventory:

Price: $26.1450

HVLR3908B13M0K9

RES 13M OHM 0.1% 3W AXIAL

Brand:

RESI

inventory:

Price: $29.9250

2176622-6

PWR RESISTOR 400W 5% 33R

Brand:

TE Connectivity Passive Product

inventory:

Price :$98.0190

5-2176632-4

SQB60 160R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price :$3.4020

5-2176632-9

SQB60 270R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price :$5.7150

4-2176632-0

SQB60 43R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price :$3.4020

7-2176631-7

SQB50 1K5 (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price :$4.8690

2176632-6

SQB60 1R6 (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price :$3.4020

2-2176631-8

SQB50 13R (WIRE) 5% FASTON

Brand:

TE Connectivity Passive Product

inventory:

Price :$2.8530

TPAL0220F330RK9

RES 330 OHM 35W 1% T0220

Brand:

RESI

inventory:

Price :$1.5750

HVLR1529F20K0K9

RES 20K OHM 1% 15W AXIAL

Brand:

RESI

inventory:

Price :$19.9530

T50R0-250-12X

250W (50 OHM) DC-4GHZ BEO FLANGE

Brand:

Vishay / Barry

inventory:

100

Price :$18.0630

R50R0-800-1X

800W (50 OHM) BEO FLANGED RESIST

Brand:

Vishay / Barry

inventory:

Price :$104.9220

PWWR0013F5R60K9

5.6 OHMS 1% 13W 100PPM/

Brand:

RESI

inventory:

200

Price :$2.9340

PWWR0013F3K30K9

3.3 KOHMS 1% 13W 100PPM/

Brand:

RESI

inventory:

200

Price :$2.7900

PWWR0016F2R20K9

2.2 OHMS 1% 16W 100PPM/

Brand:

RESI

inventory:

176

Price :$5.5890

HVLR3908F2K40K9

RES 2.4K OHM 1% 3W AXIAL

Brand:

RESI

inventory:

Price :$8.4690

HVLR5208B1M30K9

RES 1.3M OHM 0.1% 5W AXIAL

Brand:

RESI

inventory:

Price :$41.8860

MMFR2568B15K0V9

15K OHM 0.1% 0.25W 5PPM/

Brand:

RESI

inventory:

Price :$2.4480

TPAN0220F1K30K9

RES 1.3K OHM 50W 1% T0220

Brand:

RESI

inventory:

Price :$1.8360

HVLR2408B2K10K9

RES 2.1K OHM 0.1% 2W AXIAL

Brand:

RESI

inventory:

Price :$26.1450

HVLR3908B13M0K9

RES 13M OHM 0.1% 3W AXIAL

Brand:

RESI

inventory:

Price :$29.9250

What components and modules does a metal film resistor contain?

What are resistors and what are the mainstream models?

What are Resistors and What are the Mainstream Models? I. Introduction A. Definition of Resistors Resistors are passive electronic components that limit the flow of electric current in a circuit. They are fundamental to the operation of electronic devices, serving various functions such as controlling voltage and current levels. By providing a specific amount of resistance, they help to manage the electrical energy within a circuit, ensuring that components operate within their specified limits. B. Importance of Resistors in Electrical Circuits The importance of resistors cannot be overstated. They play a crucial role in protecting sensitive components from excessive current, dividing voltages to create reference levels, and conditioning signals for processing. Without resistors, circuits would be prone to damage, malfunction, or inefficient operation. They are essential in virtually every electronic device, from simple household gadgets to complex industrial machinery. C. Overview of the Article This article will explore the basics of resistors, their types, key specifications, mainstream models, and applications. By the end, readers will have a comprehensive understanding of resistors and their significance in the world of electronics. II. The Basics of Resistors A. What is Resistance? 1. Definition of Resistance Resistance is a measure of the opposition to the flow of electric current in a conductor. It is quantified in ohms (Ω) and is determined by the material, length, and cross-sectional area of the conductor. The higher the resistance, the less current will flow for a given voltage. 2. Ohm's Law Ohm's Law is a fundamental principle in electronics that relates voltage (V), current (I), and resistance (R) in a circuit. It is expressed as: \[ V = I \times R \] This equation illustrates that the voltage across a resistor is directly proportional to the current flowing through it, with the resistance acting as the proportionality constant. B. Function of Resistors in Circuits 1. Current Limiting One of the primary functions of resistors is to limit the amount of current flowing through a circuit. This is particularly important in protecting sensitive components, such as LEDs, which can be damaged by excessive current. 2. Voltage Division Resistors can also be used to create voltage dividers, which allow for the distribution of voltage across multiple components. This is useful in applications where different parts of a circuit require different voltage levels. 3. Signal Conditioning In signal processing, resistors are used to condition signals by filtering out noise or adjusting signal levels. This ensures that the signals are suitable for further processing or transmission. III. Types of Resistors A. Fixed Resistors Fixed resistors have a constant resistance value and are the most common type used in electronic circuits. 1. Carbon Composition Resistors These resistors are made from a mixture of carbon and a binding material. They are inexpensive and widely used but have a higher tolerance and noise level compared to other types. 2. Metal Film Resistors Metal film resistors are made by depositing a thin layer of metal onto a ceramic substrate. They offer better accuracy and stability than carbon composition resistors, making them suitable for precision applications. 3. Wirewound Resistors Wirewound resistors consist of a wire coil wrapped around a ceramic or fiberglass core. They can handle high power levels and are often used in applications requiring high precision and stability. B. Variable Resistors Variable resistors allow for the adjustment of resistance values. 1. Potentiometers Potentiometers are used to adjust voltage levels in a circuit. They consist of a resistive element and a movable contact, allowing users to change the resistance by turning a knob or sliding a lever. 2. Rheostats Rheostats are similar to potentiometers but are designed to handle higher currents. They are often used in applications such as dimmer switches and motor speed controls. C. Special Resistors Special resistors are designed for specific applications. 1. Thermistors Thermistors are temperature-sensitive resistors that change resistance with temperature variations. They are commonly used in temperature sensing and control applications. 2. Photoresistors Photoresistors, or light-dependent resistors (LDRs), change resistance based on light intensity. They are used in applications such as automatic lighting systems and light meters. 3. Varistors Varistors are voltage-dependent resistors that change resistance with applied voltage. They are primarily used for surge protection in electronic circuits. IV. Key Specifications of Resistors A. Resistance Value The resistance value is the primary specification of a resistor, indicating how much it opposes current flow. It is measured in ohms and can vary widely depending on the type of resistor. B. Power Rating The power rating indicates the maximum amount of power a resistor can dissipate without overheating. It is measured in watts (W) and is crucial for ensuring that the resistor operates safely within its limits. C. Tolerance Tolerance refers to the allowable deviation from the specified resistance value. It is usually expressed as a percentage and indicates the precision of the resistor. For example, a resistor with a tolerance of ±5% can have a resistance value that varies by 5% from its nominal value. D. Temperature Coefficient The temperature coefficient indicates how much the resistance value changes with temperature. It is expressed in parts per million per degree Celsius (ppm/°C) and is important for applications where temperature fluctuations are expected. V. Mainstream Models of Resistors A. Carbon Composition Resistors 1. Characteristics Carbon composition resistors are known for their low cost and ability to handle high energy pulses. However, they have a higher noise level and lower stability compared to other types. 2. Applications These resistors are commonly used in applications where cost is a primary concern, such as in consumer electronics and basic circuits. B. Metal Film Resistors 1. Characteristics Metal film resistors offer high accuracy, low noise, and excellent temperature stability. They are more expensive than carbon composition resistors but are preferred in precision applications. 2. Applications They are widely used in audio equipment, precision measurement devices, and high-frequency applications. C. Wirewound Resistors 1. Characteristics Wirewound resistors can handle high power levels and provide excellent stability and accuracy. They are typically larger and more expensive than other types. 2. Applications These resistors are used in power supplies, amplifiers, and applications requiring high precision. D. Surface Mount Resistors 1. Characteristics Surface mount resistors are designed for automated assembly and are compact in size. They are available in various resistance values and power ratings. 2. Applications They are commonly used in modern electronic devices, including smartphones, tablets, and other compact electronics. E. Specialty Resistors 1. Thermistors Thermistors are used in temperature sensing and control applications, such as thermostats and temperature monitoring systems. 2. Photoresistors Photoresistors are utilized in light-sensitive applications, including automatic lighting systems and exposure meters in cameras. VI. Applications of Resistors A. Consumer Electronics Resistors are ubiquitous in consumer electronics, found in devices such as televisions, radios, and computers. They help regulate current and voltage levels, ensuring the safe operation of these devices. B. Industrial Equipment In industrial settings, resistors are used in control systems, motor drives, and power supplies. They play a vital role in maintaining the reliability and efficiency of industrial machinery. C. Automotive Applications Resistors are essential in automotive electronics, including engine control units, lighting systems, and infotainment systems. They help manage power distribution and signal processing in vehicles. D. Telecommunications In telecommunications, resistors are used in signal conditioning, impedance matching, and circuit protection. They ensure the integrity and reliability of communication signals. VII. Conclusion A. Summary of Key Points Resistors are fundamental components in electronic circuits, serving various functions such as current limiting, voltage division, and signal conditioning. Understanding the different types of resistors, their specifications, and applications is crucial for anyone involved in electronics. B. The Future of Resistor Technology As technology advances, the demand for more precise and efficient resistors will continue to grow. Innovations in materials and manufacturing processes may lead to the development of new resistor types with enhanced performance characteristics. C. Final Thoughts on the Importance of Resistors in Electronics Resistors may seem simple, but their role in electronic circuits is vital. They ensure the safe and efficient operation of devices, making them indispensable in the world of electronics. Whether in consumer products or complex industrial systems, resistors will remain a cornerstone of electrical engineering. VIII. References A. Suggested Reading - "The Art of Electronics" by Paul Horowitz and Winfield Hill - "Electronic Principles" by Albert Malvino and David Bates B. Relevant Standards and Guidelines - IEC 60115: Resistors for use in electronic equipment - EIA-198: Standard for Fixed Resistors C. Online Resources for Further Learning - Electronics tutorials on websites like All About Circuits and Electronics-Tutorials - Online courses on platforms like Coursera and edX focusing on electronics and circuit design. This comprehensive overview of resistors highlights their significance in electronics, providing a solid foundation for further exploration into this essential component.

What are the comparative differences between mainstream aluminum shell resistor models?

What is the price of popular resistor classification models in stock?

What is the Price of Popular Resistor Classification Models in Stock? I. Introduction In the world of electronics, resistors play a crucial role in controlling the flow of electric current. They are fundamental components used in various applications, from simple circuits to complex devices. Resistor classification models help categorize these components based on their characteristics, making it easier for engineers and hobbyists to select the right resistor for their projects. This article aims to explore the different types of resistor classification models available in stock, their pricing, and factors influencing these prices. II. Understanding Resistor Classification A. Types of Resistors Resistors can be broadly classified into three main categories: 1. **Fixed Resistors**: These resistors have a constant resistance value and are the most commonly used type. They are available in various resistance values and tolerances. 2. **Variable Resistors**: Also known as potentiometers or rheostats, these resistors allow users to adjust the resistance value according to their needs. They are often used in applications like volume controls and light dimmers. 3. **Specialty Resistors**: This category includes resistors designed for specific applications, such as thermistors (temperature-sensitive resistors) and photoresistors (light-sensitive resistors). B. Classification Criteria Resistors can be classified based on several criteria: 1. **Resistance Value**: Measured in ohms, this indicates how much the resistor opposes the flow of current. 2. **Tolerance**: This refers to the allowable deviation from the specified resistance value, usually expressed as a percentage. 3. **Power Rating**: Measured in watts, this indicates the maximum power the resistor can dissipate without being damaged. 4. **Temperature Coefficient**: This measures how much the resistance changes with temperature, which is crucial for applications requiring stability under varying conditions. C. Common Applications of Resistors Resistors are used in a wide range of applications, including: - Voltage dividers - Current limiting - Signal conditioning - Biasing active devices - Pull-up and pull-down configurations in digital circuits III. Popular Resistor Classification Models A. Overview of Popular Models Several resistor models are widely used in the industry, each with its unique characteristics: 1. **Carbon Film Resistors**: Known for their low cost and decent performance, these resistors are made by depositing a carbon film on a ceramic substrate. 2. **Metal Film Resistors**: These resistors offer better stability and lower noise compared to carbon film resistors, making them suitable for precision applications. 3. **Wirewound Resistors**: Constructed by winding a metal wire around a ceramic or fiberglass core, these resistors can handle high power and are often used in power applications. 4. **Ceramic Resistors**: These resistors are made from ceramic materials and are known for their high-temperature stability and reliability. B. Features and Specifications of Each Model 1. **Performance Characteristics**: Each resistor type has different performance metrics, such as temperature coefficient, noise level, and stability. 2. **Advantages and Disadvantages**: - **Carbon Film Resistors**: Affordable but less stable than metal film resistors. - **Metal Film Resistors**: More expensive but offer better precision and stability. - **Wirewound Resistors**: Excellent for high power but can be bulky. - **Ceramic Resistors**: Durable and stable but may be costlier than other types. IV. Pricing Factors for Resistor Models Several factors influence the pricing of resistor models: A. Material Composition The materials used in manufacturing resistors significantly affect their cost. For instance, metal film resistors typically cost more than carbon film resistors due to the higher quality materials used. B. Manufacturing Process The complexity of the manufacturing process also plays a role in pricing. Wirewound resistors, for example, require more intricate production techniques, leading to higher prices. C. Brand Reputation Well-known brands often charge a premium for their products due to perceived quality and reliability. Engineers may prefer these brands for critical applications. D. Market Demand and Supply The balance between demand and supply can cause fluctuations in pricing. During periods of high demand, prices may rise, while excess supply can lead to lower prices. E. Bulk Purchase Discounts Many suppliers offer discounts for bulk purchases, which can significantly reduce the cost per unit for larger orders. V. Current Market Prices of Popular Resistor Models A. Price Ranges for Each Model 1. **Carbon Film Resistors**: Typically range from $0.01 to $0.10 per unit, depending on resistance value and tolerance. 2. **Metal Film Resistors**: Generally priced between $0.10 and $0.50 per unit, with higher precision models costing more. 3. **Wirewound Resistors**: Prices can range from $0.50 to $5.00 per unit, depending on power rating and resistance value. 4. **Ceramic Resistors**: These can cost anywhere from $0.50 to $3.00 per unit, depending on specifications. B. Comparison of Prices Across Different Retailers Prices can vary significantly between retailers. For example, a carbon film resistor might be available for $0.05 on one site and $0.08 on another. It's essential to compare prices across multiple platforms to find the best deals. C. Trends in Pricing Over Time Over the years, the prices of resistors have generally decreased due to advancements in manufacturing technology and increased competition. However, certain models, especially those with specialized applications, may see price increases due to rising material costs. VI. Where to Buy Resistor Classification Models A. Online Retailers 1. **Amazon**: Offers a wide variety of resistors, often with customer reviews to help in decision-making. 2. **Digi-Key**: A popular choice for electronic components, providing detailed specifications and bulk purchasing options. 3. **Mouser Electronics**: Similar to Digi-Key, Mouser offers a vast selection of resistors and other electronic components. B. Local Electronics Stores Local stores can be a convenient option for quick purchases, especially for hobbyists who need components immediately. C. Wholesale Suppliers For businesses or large projects, wholesale suppliers can provide significant savings through bulk purchasing. D. Considerations for Choosing a Supplier When selecting a supplier, consider factors such as price, shipping costs, return policies, and customer service. VII. Conclusion In summary, understanding the pricing of popular resistor classification models is essential for anyone involved in electronics, whether for professional or hobbyist purposes. The price of resistors can vary widely based on factors such as material composition, manufacturing processes, and market demand. By being informed about these factors and current market prices, individuals can make better purchasing decisions and optimize their projects. As technology continues to evolve, we can expect trends in resistor pricing and classification to change, potentially leading to new materials and manufacturing techniques that could further impact costs and performance. VIII. References - Manufacturer datasheets for specific resistor models - Online electronics retailers for current pricing - Industry publications on resistor technology and market trends By staying informed and utilizing the resources available, you can navigate the world of resistors with confidence and make choices that best suit your needs.

PMDM

YAGEO

EMIT

TE Connectivity AMP Connectors

Wickmann / Littelfuse

Intersil (Renesas Electronics Corporation)

B&K Precision

Comair Rotron

Hirose Electric Co., Ltd.

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