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. 175-4096
BrandRS PRO
MYR19.648
Each (In a Pack of 5)
units
5.6Ω 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 185-2319
BrandRS PRO
MYR261.04
Each
units
47Ω 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. 175-4097
BrandRS PRO
MYR19.648
Each (In a Pack of 5)
units
24Ω 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 175-4114
BrandRS PRO
MYR20.238
Each (In a Pack of 5)
units
4.7kΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 131-1255
BrandRS PRO
MYR12.766
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. 175-4101
BrandRS PRO
MYR19.648
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. 146-8315
BrandRS PRO
MYR89.68
Each
units
100mΩ 200W RSSC Tubular ±10% Wire Wound Solder Lug - - -400ppm/°C +400ppm/°C - 25.5 (Dia.) x 170mm 25.5mm
RS Stock No. 175-4094
BrandRS PRO
MYR5.15
Each (In a Pack of 5)
units
270mΩ 25W - Aluminium Housed ±5% Aluminium - - +200°C - - - 27.3 x 28 x 14.8mm -
RS Stock No. 175-2474
BrandRS PRO
MYR83.12
Each
units
110Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
RS Stock No. 185-2368
BrandRS PRO
MYR32.17
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. 174-2544
BrandRS PRO
MYR223.53
1 Box of 1
Box(es)
33Ω 300W HS300 Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 184.4 x 72.5 x 41.8mm -
RS Stock No. 185-2423
BrandRS PRO
MYR45.21
Each
units
110Ω 100W RSLPR100 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 100 x 75 x 5.7mm -
RS Stock No. 185-2301
BrandRS PRO
MYR382.95
Each
units
500W R500 Aluminium Housed ±5% Aluminium Wire Lead -25°C +250°C <-100ppm/°C <+100ppm/°C - 330 x 80 x 10mm -
RS Stock No. 131-1314
BrandRS PRO
MYR36.13
Each
units
50Ω 100W - Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 88 x 47.5 x 24.1mm -
RS Stock No. 185-2324
BrandRS PRO
MYR126.76
Each
units
33Ω 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. 185-2320
BrandRS PRO
MYR248.60
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. 175-2493
BrandRS PRO
MYR169.13
Each
units
820mΩ 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 178-1201
BrandRS PRO
MYR336.39
Each
units
- - - - - - - - - - - - - -
RS Stock No. 175-2499
BrandRS PRO
MYR209.55
Each
units
10kΩ 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 175-2500
BrandRS PRO
MYR169.13
Each
units
1.3kΩ 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -