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. 131-1282
BrandRS PRO
$6.286
Each (In a Pack of 5)
units
4.7Ω 50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 72.5 x 29.7 x 14.8mm -
RS Stock No. 131-1261
BrandRS PRO
$5.00
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 -
RS Stock No. 131-1283
BrandRS PRO
$5.406
Each (In a Pack of 5)
units
50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 72.5 x 29.7 x 14.8mm -
RS Stock No. 185-2312
BrandRS PRO
$36.34
Each
units
47Ω 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. 146-8316
BrandRS PRO
$50.74
Each
units
200W RSSC Tubular ±10% Wire Wound Solder Lug - - -400ppm/°C +400ppm/°C - 25.5 (Dia.) x 170mm 25.5mm
RS Stock No. 175-2438
BrandRS PRO
$20.89
Each
units
1.2kΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 131-1293
BrandRS PRO
$5.126
Each (In a Pack of 5)
units
39Ω 50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 72.5 x 29.7 x 14.8mm -
RS Stock No. 185-2314
BrandRS PRO
$36.34
Each
units
33Ω 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. 185-2322
BrandRS PRO
$83.39
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 -
RS Stock No. 185-2370
BrandRS PRO
$6.18
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. 175-2435
BrandRS PRO
$20.19
Each
units
2.7Ω 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 131-1284
BrandRS PRO
$6.376
Each (In a Pack of 5)
units
6.8Ω 50W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 72.5 x 29.7 x 14.8mm -
RS Stock No. 175-2439
BrandRS PRO
$20.97
Each
units
220Ω 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 175-2487
BrandRS PRO
$64.98
Each
units
680Ω 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 185-2401
BrandRS PRO
$6.18
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. 146-8319
BrandRS PRO
$64.01
Each
units
280W RSSC Tubular ±10% Wire Wound Solder Lug - - -400ppm/°C +400ppm/°C - 30.6 (Dia.) x 252mm 30.6mm
RS Stock No. 175-2499
BrandRS PRO
$66.94
Each
units
10kΩ 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 175-2455
BrandRS PRO
$26.80
Each
units
47Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
RS Stock No. 131-1305
BrandRS PRO
$13.31
Each
units
3.3Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
RS Stock No. 185-2427
BrandRS PRO
$10.82
Each
units
15Ω 100W RSLPR100 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -