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. 175-2445
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. 175-4108
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
560Ω 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 146-8312
BrandRS PRO
£21.89
Each
Units
470Ω 160W RSSC - ±5% Wire Wound Solder Lug - - -260ppm/°C +260ppm/°C ±260ppm/°C 25.5 (Dia.) x 170mm 25.5mm
New
RS Stock No. 185-2444
BrandRS PRO
£7.42
Each
Units
68Ω 100W RSLPR100 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
RS Stock No. 131-1295
BrandRS PRO
£2.286
Each (In a Pack of 5)
Units
50Ω 50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 72.5 x 29.7 x 14.8mm -
RS Stock No. 175-4152
BrandRS PRO
£6.88
Each
Units
1.2Ω 75W - Aluminium Housed ±5% Aluminium - - +200°C - - - 48.7 x 47.5 x 24.1mm -
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. 185-2349
BrandRS PRO
£58.27
Each
Units
22Ω 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. 185-2390
BrandRS PRO
£5.43
Each
Units
430Ω 50W RSLPR50 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 175-4142
BrandRS PRO
£3.034
Each (In a Pack of 5)
Units
3.3kΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 174-2537
BrandRS PRO
£25.33
1 Box of 1
Box(es)
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. 175-2448
BrandRS PRO
£8.18
Each
Units
500mΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
New
RS Stock No. 185-2406
BrandRS PRO
£7.42
Each
Units
300Ω 100W RSLPR100 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
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. 131-1255
BrandRS PRO
£1.914
Each (In a Pack of 5)
Units
2.7Ω 25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 51 x 28 x 14.6mm -
RS Stock No. 175-4078
BrandRS PRO
£2.572
Each (In a Pack of 5)
Units
4.7kΩ 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
New
RS Stock No. 185-2398
BrandRS PRO
£5.43
Each
Units
820Ω 50W RSLPR50 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2376
BrandRS PRO
£5.43
Each
Units
22Ω 50W RSLPR50 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2419
BrandRS PRO
£5.43
Each
Units
56Ω 50W RSLPR50 - ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2317
BrandRS PRO
£21.05
Each
Units
47Ω 200W R200 - ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C ±200ppm/°C 190 x 60 x 30mm -
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