Power Resistors

5933 Power Resistors from 17 manufacturers listed on everything PE

A power resistor is a type of resistor specifically designed to handle high power levels and dissipate significant amounts of heat. It is used in electronic circuits to limit current flow, drop voltage, or provide a specific resistance value. Power Resistors from the leading manufacturers are listed on everything PE. Narrow down on products based on type, resistance, voltage rating, power rating, package type, etc. View product specifications, download datasheets and get pricing. Your Inquiry will be directed to the manufacturer and their distributors who will get back to you with a quote.

Description:10 Mega Ohms High-Voltage Power Resistor
Types of Power Resistor:
High Voltage Resistor
Industry:
Industrial, Commercial
Resistance:
10 Mega-ohm
Tolerance:
±10 %
Power Rating:
0.3 W
Voltage Rating:
1700 V
Package Type:
Through Hole
more info
Description:500W Wirewound Resistor for Industrial Applications
Types of Power Resistor:
Wirewound Resistor
Industry:
Industrial, Commercial
Resistance:
15 ohm
Tolerance:
-5 to 5 %
Power Rating:
155 W
Package Type:
Screw Mount
more info
Description:Automotive Qualified Metal Plate Shunt Resistor
Types of Power Resistor:
Current Sensing Resistor
Industry:
Automotive, Industrial
Resistance:
0.27 milli-ohm
Tolerance:
-1 to 1%
Power Rating:
12 W
Qualification:
AEC-Q200
Package Type:
Surface Mount
more info
Description:7 W, 10 ohm, Wirewound Power Resistor
Types of Power Resistor:
Wirewound Resistor
Industry:
Industrial, Commercial
Resistance:
10 ohm
Tolerance:
0.05
Power Rating:
7 W
Package Type:
Through Hole
more info
Description:4.7 Ohms Thin Film Precision Chip Resistor for Medical Applications
Types of Power Resistor:
Thin Film Resistor
Industry:
Industrial, Automotive, Commercial, Medical
Resistance:
4.7 to 255000 Ohms
Tolerance:
0.1 %
Power Rating:
16 W
Voltage Rating:
50 V
Package Type:
Chip
more info
Description:1000 Ohms High-Power Metal Clad Braking Resistors
Types of Power Resistor:
Wirewound Resistor
Industry:
Industrial, Commercial
Resistance:
0.1 to 1000 ohm
Tolerance:
±1 %
Power Rating:
300 to 500 W
Package Type:
Surface Mount
more info
Description:Current Shunt Resistors
Types of Power Resistor:
Current Sensing Resistor, Shunt Resistor
Industry:
Automotive
Resistance:
0.2 to 4 milli-ohms
Tolerance:
±1.0%
Power Rating:
15
more info
Description:200000000 ohm, ±0.10 %, Precision Resistor
Types of Power Resistor:
Precision Resistor
Industry:
Industrial, Commercial, Military
Resistance:
200000000 ohm
Tolerance:
±0.10 %
Voltage Rating:
15000 V
Package Type:
Through Hole
more info
Description:7 W Vitreous-Enameled Power Resistor
Types of Power Resistor:
Axial Resistor
Industry:
Industrial, Commercial
Resistance:
1 kilo-ohm
Tolerance:
±5 %
Power Rating:
7 W
Voltage Rating:
200 V
Package Type:
Through Hole
more info
Description:1 to 160000 Ohms, ±1 to 10%, Wirewound Resistor
Types of Power Resistor:
Wirewound Resistor
Industry:
Industrial, Commercial
Resistance:
1 to 160000 Ohms
Tolerance:
±1 to 10%
Power Rating:
91 W
Voltage Rating:
2100 V
Package Type:
Screw Mount
more info

What is a Power Resistor?

A power resistor is a type of resistor specifically designed to handle high power levels and dissipate significant amounts of heat. It is used in electronic circuits to limit current flow, drop voltage, or provide a specific resistance value.

Power resistors are generally larger compared to standard resistors, and they are constructed with materials and designs that allow them to withstand higher power ratings. They are often composed of a resistive element made of metal or carbon composite, which has a high power dissipation capability.

The main characteristics of power resistors include:

  • Power Rating: Power resistors are specified with a power rating, which indicates the maximum amount of power they can handle without exceeding their temperature limits. Power ratings for these resistors typically range from a few watts to several hundred watts or even kilowatts for specialized applications.
  • Resistance Value: Like standard resistors, power resistors have a specified resistance value, which determines the amount of resistance they provide to the electrical current passing through them. Resistance values can range from fractions of an ohm to several megaohms.
  • Tolerance: Power resistors have a tolerance specification, which represents the allowable deviation from the specified resistance value. Common tolerance values for power resistors are 5%, 10%, or even tighter tolerances depending on the application requirements.
  • Heat Dissipation: Power resistors generate heat when current flows through them and voltage is dropped across them. They are designed to dissipate this heat efficiently to prevent overheating and damage. Power resistors may have heat sinks, fins, or other cooling mechanisms to enhance heat dissipation.

Power resistors are specifically designed to handle high power levels and dissipate heat efficiently. They are commonly used in applications where high power dissipation, current limiting, voltage dropping, or specific resistance values are required. They are used in various applications such as:

  • Power Electronics: They are used in power supplies, motor drives, inverters, and amplifiers to control current flow, limit voltage, and dissipate heat.
  • Load Banks: Power resistors are used in load banks to simulate electrical loads for testing purposes in areas such as power generation, distribution, and automotive applications.
  • Braking Systems: Power resistors are employed in braking systems of electric vehicles or trains to convert excess electrical energy into heat during regenerative braking.
  • High-Power Audio Systems: They can be used in audio amplifiers or speaker systems to control impedance matching and ensure proper power distribution.

Power Resistors from the leading manufacturers are listed on everything PE. You can use the filters on the left side to narrow down the list of products based on your requirements - type, resistance, tolerance, power rating, package type, etc. Our parametric search tool will scan multiple manufacturer websites to identify Power Resistors that meet your requirement. You can then download datasheets, request quotations via everything PE. Your inquiry will be routed to the manufacturer or their representative who will give you more information on the product.

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