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
RS Stock No. 175-2433
BrandRS PRO
£8.19
Each
Units
1.5kΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 146-8313
BrandRS PRO
£21.89
Each
Units
1kΩ 160W RSSC Tubular ±5% Wire Wound Solder Lug - - -260ppm/°C +260ppm/°C - 25.5 (Dia.) x 170mm 25.5mm
RS Stock No. 131-1314
BrandRS PRO
£4.50
Each
Units
50Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
New
RS Stock No. 185-2419
BrandRS PRO
£5.43
Each
Units
56Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 178-1189
BrandRS PRO
£90.32
Each
Units
220Ω 350W - Planar ±5% Thick Film Screw -55°C +150°C -150ppm/°C +150ppm/°C - 60 x 65 x 32mm -
RS Stock No. 175-4161
BrandRS PRO
£6.88
Each
Units
82Ω 75W - Aluminium Housed ±5% Aluminium - - +200°C - - - 48.7 x 47.5 x 24.1mm -
RS Stock No. 175-2477
BrandRS PRO
£20.10
Each
Units
1kΩ 200W RS200 Aluminium Housed ±5% Wire Wound - - +200°C - - - 103.4 x 72.5 x 41.8mm -
RS Stock No. 131-1277
BrandRS PRO
£2.286
Each (In a Pack of 5)
Units
1.5Ω 50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 72.5 x 29.7 x 14.8mm -
RS Stock No. 175-2491
BrandRS PRO
£25.36
Each
Units
330Ω 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
New
RS Stock No. 185-2306
BrandRS PRO
£47.85
Each
Units
47Ω 500W R500 Aluminium Housed ±5% Aluminium Wire Lead -25°C +250°C <-100ppm/°C <+100ppm/°C - 330 x 80 x 10mm -
New
RS Stock No. 185-2402
BrandRS PRO
£7.42
Each
Units
100Ω 100W RSLPR100 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
RS Stock No. 175-4087
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
470Ω 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
New
RS Stock No. 185-2383
BrandRS PRO
£5.43
Each
Units
330Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2277
BrandRS PRO
£25.32
Each
Units
150W - Aluminium Housed ±5% Aluminium - -25°C +250°C -100ppm/°C +100ppm/°C - 120 x 80 x 10mm -
New
RS Stock No. 185-2375
BrandRS PRO
£5.43
Each
Units
220Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2370
BrandRS PRO
£5.43
Each
Units
13.5Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 131-1310
BrandRS PRO
£4.22
Each
Units
15Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
New
RS Stock No. 185-2321
BrandRS PRO
£34.17
Each
Units
15Ω 300W R300 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 215 x 60 x 30mm -
New
RS Stock No. 185-2353
BrandRS PRO
£68.04
Each
Units
100Ω 800W R800 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 400 x 60 x 30mm -
RS Stock No. 146-8324
BrandRS PRO
£31.44
Each
Units
100Ω 700W RSSC Tubular ±5% Wire Wound Solder Lug - - -260ppm/°C +260ppm/°C - 51 (Dia.) x 375mm 51mm
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