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. 185-2331
BrandRS PRO
£41.03
Each
Units
22Ω 400W R400 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 265 x 60 x 30mm -
New
RS Stock No. 185-2443
BrandRS PRO
£7.42
Each
Units
680Ω 100W RSLPR100 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
New
RS Stock No. 185-2373
BrandRS PRO
£5.43
Each
Units
18Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 175-4163
BrandRS PRO
£6.88
Each
Units
2.2Ω 75W - Aluminium Housed ±5% Aluminium - - +200°C - - - 48.7 x 47.5 x 24.1mm -
RS Stock No. 175-2437
BrandRS PRO
£8.18
Each
Units
100mΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 175-2448
BrandRS PRO
£8.18
Each
Units
500mΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 175-4109
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
330mΩ 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 131-1309
BrandRS PRO
£4.22
Each
Units
10Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
RS Stock No. 175-4135
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
330Ω 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
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 - 120 x 80 x 10mm -
RS Stock No. 131-1265
BrandRS PRO
£1.914
Each (In a Pack of 5)
Units
22Ω 25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 51 x 28 x 14.6mm -
RS Stock No. 178-1187
BrandRS PRO
£90.32
Each
Units
10Ω 350W - Planar ±5% Thick Film Screw -55°C +150°C -150ppm/°C +150ppm/°C - 60 x 65 x 32mm -
RS Stock No. 174-2550
BrandRS PRO
£20.08
1 Box of 1
Box(es)
220Ω 200W HS200 Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 145.7 x 72.5 x 41.8mm -
RS Stock No. 131-1282
BrandRS PRO
£2.286
Each (In a Pack of 5)
Units
4.7Ω 50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 72.5 x 29.7 x 14.8mm -
RS Stock No. 175-4096
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
5.6Ω 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
New
RS Stock No. 185-2291
BrandRS PRO
£33.51
Each
Units
300W - Aluminium Housed ±5% Aluminium - -25°C +250°C -100ppm/°C +100ppm/°C - 210 x 80 x 10mm -
New
RS Stock No. 185-2338
BrandRS PRO
£50.90
Each
Units
68Ω 500W R500 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 335 x 60 x 30mm -
RS Stock No. 131-1316
BrandRS PRO
£5.94
Each
Units
75Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
RS Stock No. 175-2461
BrandRS PRO
£10.87
Each
Units
6.8Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
New
RS Stock No. 185-2386
BrandRS PRO
£5.43
Each
Units
39Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
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