Panel Mount Fixed Resistors

Panel mount fixed resistors are used to limit the flow of electricity in an electrical circuit (resistance). They are a type of fixed resistor which means the resistance is set at a specific value and can't be changed. Resistors are important because they help to prevent damage or destruction of other circuit components.

Features and benefits of panel mount fixed resistors

Panel mount fixed resistors feature a wire wound design (metallic wire is wound around a core of non-conductive material to reduce or restrict the flow of electric current) with a metal (usually aluminium) housing that provides heat conduction. They may also have flameproof construction or a corrugated ribbon element to allow for rapid cooling.

Applications of panel mount fixed resistors

Panel mount fixed resistors are commonly used for large electrical and production machinery, motor start/stop cycles, equipment discharge, load test simulation and dynamic braking.

Panel mount fixed resistors are also particularly suited for applications where the resistor is used to promote heat loss and cooling, because of its low temperature coefficient of resistance (TCR) – in other words, its resistance remains nearly constant over a wide range of temperatures.


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Description Price Resistance Power Rating Series Package/Case Tolerance Technology Termination Style Minimum Operating Temperature Maximum Operating Temperature Minimum Temperature Coefficient Maximum Temperature Coefficient Temperature Coefficient Dimensions Overall Diameter
New
RS Stock No. 185-2275
BrandRS PRO
£25.32
Each
Units
2.2Ω 150W R150 Aluminium Housed ±5% Aluminium Wire Lead -25°C +250°C <-100ppm/°C <+100ppm/°C <±100ppm/°C 120 x 80 x 10mm -
RS Stock No. 175-2433
BrandRS PRO
£8.18
Each
Units
1.5kΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 174-2536
BrandRS PRO
£25.33
1 Box of 1
Box(es)
15Ω 300W HS300 Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 184.4 x 72.5 x 41.8mm -
New
RS Stock No. 185-2438
BrandRS PRO
£7.42
Each
Units
47Ω 100W RSLPR100 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
New
RS Stock No. 185-2337
BrandRS PRO
£50.90
Each
Units
150Ω 500W R500 - ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C ±200ppm/°C 335 x 60 x 30mm -
RS Stock No. 175-4129
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
10kΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 175-4081
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
1kΩ 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 175-4122
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
50kΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 175-4092
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
2.2kΩ 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
New
RS Stock No. 185-2393
BrandRS PRO
£5.43
Each
Units
50W RSLPR50 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 175-4139
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
5.6kΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 131-1252
BrandRS PRO
£1.914
Each (In a Pack of 5)
Units
25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 51 x 28 x 14.6mm -
New
RS Stock No. 185-2351
BrandRS PRO
£58.27
Each
Units
27Ω 600W R600 - ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C ±200ppm/°C 335 x 60 x 30mm -
New
RS Stock No. 185-2384
BrandRS PRO
£5.43
Each
Units
33Ω 50W RSLPR50 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 175-2485
BrandRS PRO
£20.08
Each
Units
680Ω 200W RS200 Aluminium Housed ±5% Wire Wound - - +200°C - - - 103.4 x 72.5 x 41.8mm -
RS Stock No. 175-2478
BrandRS PRO
£20.08
Each
Units
4.7Ω 200W RS200 Aluminium Housed ±5% Wire Wound - - +200°C - - - 103.4 x 72.5 x 41.8mm -
RS Stock No. 175-4155
BrandRS PRO
£6.88
Each
Units
22Ω 75W - Aluminium Housed ±5% Aluminium - - +200°C - - - 48.7 x 47.5 x 24.1mm -
RS Stock No. 131-1315
BrandRS PRO
£4.22
Each
Units
68Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 88 x 47.5 x 24.1mm -
New
RS Stock No. 185-2323
BrandRS PRO
£34.17
Each
Units
100Ω 300W R300 - ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C ±200ppm/°C 215 x 60 x 30mm -
RS Stock No. 131-1306
BrandRS PRO
£4.22
Each
Units
4.7Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 88 x 47.5 x 24.1mm -
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