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. 131-1261
BrandRS PRO
MYR12.85
Each (In a Pack of 5)
units
7.5Ω 25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 51 x 28 x 14.6mm -
New
RS Stock No. 185-2396
BrandRS PRO
MYR35.84
Each
units
50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 131-1265
BrandRS PRO
MYR12.85
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. 175-4115
BrandRS PRO
MYR20.39
Each (In a Pack of 5)
units
33kΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 175-2474
BrandRS PRO
MYR72.95
Each
units
110Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
RS Stock No. 131-1318
BrandRS PRO
MYR28.32
Each
units
100Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
New
RS Stock No. 185-2380
BrandRS PRO
MYR35.84
Each
units
270Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2387
BrandRS PRO
MYR35.84
Each
units
3.3Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 175-2431
BrandRS PRO
MYR54.99
Each
units
1kΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 131-1270
BrandRS PRO
MYR12.85
Each (In a Pack of 5)
units
50Ω 25W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 51 x 28 x 14.6mm -
RS Stock No. 174-2537
BrandRS PRO
MYR170.17
1 Box of 1
Box(es)
300W HS300 Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 184.4 x 72.5 x 41.8mm -
New
RS Stock No. 185-2397
BrandRS PRO
MYR35.84
Each
units
6.8Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2401
BrandRS PRO
MYR35.84
Each
units
8.2Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
New
RS Stock No. 185-2384
BrandRS PRO
MYR35.84
Each
units
33Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 175-2445
BrandRS PRO
MYR54.99
Each
units
200Ω 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 175-4133
BrandRS PRO
MYR20.39
Each (In a Pack of 5)
units
100mΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
New
RS Stock No. 185-2436
BrandRS PRO
MYR48.92
Each
units
40Ω 100W RSLPR100 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
RS Stock No. 175-2465
BrandRS PRO
MYR72.95
Each
units
2.2Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
New
RS Stock No. 185-2311
BrandRS PRO
MYR98.16
Each
units
10Ω 120W R120 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 215 x 40 x 20mm -
RS Stock No. 175-4154
BrandRS PRO
MYR46.17
Each
units
33Ω 75W - Aluminium Housed ±5% Aluminium - - +200°C - - - 48.7 x 47.5 x 24.1mm -
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