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. 131-1255
BrandRS PRO
£0.75
Each (In a Pack of 5)
Units
2.7Ω 25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 51 x 28 x 14.6mm -
RS Stock No. 185-2320
BrandRS PRO
£34.17
Each
Units
2.2Ω 300W R300 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 215 x 60 x 30mm -
RS Stock No. 131-1309
BrandRS PRO
£4.30
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. 146-8331
BrandRS PRO
£75.03
Each
Units
47Ω 1kW RSSC Tubular ±5% Wire Wound Solder Lug - - -260ppm/°C +260ppm/°C - 51 (Dia.) x 375mm 51mm
RS Stock No. 175-4123
BrandRS PRO
£3.186
Each (In a Pack of 5)
Units
820Ω 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 131-1256
BrandRS PRO
£2.01
Each (In a Pack of 5)
Units
3.3Ω 25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 51 x 28 x 14.6mm -
RS Stock No. 175-2500
BrandRS PRO
£26.63
Each
Units
1.3kΩ 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 185-2400
BrandRS PRO
£5.70
Each
Units
50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 185-2321
BrandRS PRO
£35.88
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 -
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 -
RS Stock No. 175-4124
BrandRS PRO
£3.186
Each (In a Pack of 5)
Units
330mΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 185-2353
BrandRS PRO
£71.44
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. 131-1304
BrandRS PRO
£5.13
Each
Units
2.2Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
RS Stock No. 131-1257
BrandRS PRO
£0.788
Each (In a Pack of 5)
Units
3.9Ω 25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 51 x 28 x 14.6mm -
RS Stock No. 175-4101
BrandRS PRO
£2.70
Each (In a Pack of 5)
Units
680mΩ 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 175-2501
BrandRS PRO
£25.36
Each
Units
2.2Ω 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 185-2368
BrandRS PRO
£5.70
Each
Units
120Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 131-1297
BrandRS PRO
£2.40
Each (In a Pack of 5)
Units
75Ω 50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 72.5 x 29.7 x 14.8mm -
RS Stock No. 185-2401
BrandRS PRO
£5.70
Each
Units
8.2Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 185-2322
BrandRS PRO
£35.88
Each
Units
3.3Ω 300W R300 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 215 x 60 x 30mm -