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. 175-4161
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. 146-8316
BrandRS PRO
£24.33
Each
Units
200W RSSC - ±10% Wire Wound Solder Lug - - -400ppm/°C +400ppm/°C ±400ppm/°C 25.5 (Dia.) x 170mm 25.5mm
New
RS Stock No. 185-2307
BrandRS PRO
£47.85
Each
Units
48Ω 500W R500 Aluminium Housed ±5% Aluminium Wire Lead -25°C +250°C <-100ppm/°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 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
RS Stock No. 175-2457
BrandRS PRO
£10.87
Each
Units
100Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
RS Stock No. 131-1299
BrandRS PRO
£3.202
Each (In a Pack of 5)
Units
100Ω 50W - Aluminium Housed ±5% Wirewound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 72.5 x 29.7 x 14.8mm -
New
RS Stock No. 185-2325
BrandRS PRO
£34.17
Each
Units
1.5Ω 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. 178-1197
BrandRS PRO
£105.70
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 185-2354
BrandRS PRO
£68.04
Each
Units
22Ω 800W R800 - ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C ±200ppm/°C 400 x 60 x 30mm -
RS Stock No. 131-1294
BrandRS PRO
£1.864
Each (In a Pack of 5)
Units
47Ω 50W - Aluminium Housed ±5% Wirewound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 72.5 x 29.7 x 14.8mm -
RS Stock No. 175-4116
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
5.6Ω 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 174-2556
BrandRS PRO
£20.08
1 Box of 1
Box(es)
82Ω 200W HS200 Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 145.7 x 72.5 x 41.8mm -
RS Stock No. 175-4112
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
27Ω 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 175-4099
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
330Ω 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 175-2503
BrandRS PRO
£25.33
Each
Units
56Ω 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 174-2535
BrandRS PRO
£25.33
1 Box of 1
Box(es)
10Ω 300W HS300 Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 184.4 x 72.5 x 41.8mm -
RS Stock No. 175-2445
BrandRS PRO
£8.18
Each
Units
200Ω 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 131-1260
BrandRS PRO
£1.914
Each (In a Pack of 5)
Units
6.8Ω 25W - Aluminium Housed ±5% Wirewound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 51 x 28 x 14.6mm -
RS Stock No. 175-4127
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
12Ω 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 178-1189
BrandRS PRO
£90.32
Each
Units
220Ω 350W - - ±5% Thick Film Screw -55°C +150°C -150ppm/°C +150ppm/°C ±150ppm/°C 60 x 65 x 32mm -
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