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. 175-4108
BrandRS PRO
SGD5.536
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. 175-2496
BrandRS PRO
SGD51.57
Each
units
470mΩ 300W RS300 Aluminium Housed ±5% Wire Wound - - +200°C - - - 141.4 x 72.5 x 41.8mm -
RS Stock No. 185-2280
BrandRS PRO
SGD26.16
Each
units
10Ω 150W - Aluminium Housed ±5% Aluminium - -25°C +250°C -100ppm/°C +100ppm/°C - 120 x 80 x 10mm -
RS Stock No. 185-3051
BrandRS PRO
SGD325.40
Each
units
25Ω 2kW RSPR2K Planar ±10% Thick Film Screw -55°C +150°C -150ppm/°C +150ppm/°C - 60 x 65 x 15mm -
RS Stock No. 175-2459
BrandRS PRO
SGD7.40
Each
units
470Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
RS Stock No. 175-4147
BrandRS PRO
SGD5.168
Each (In a Pack of 5)
units
150Ω 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 175-2473
BrandRS PRO
SGD19.18
Each
units
33Ω 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
RS Stock No. 174-2549
BrandRS PRO
SGD36.22
1 Box of 1
Box(es)
3.3Ω 200W HS200 Aluminium Housed ±5% Wire Wound Axial - +200°C -100ppm/°C +100ppm/°C - 145.7 x 72.5 x 41.8mm -
RS Stock No. 185-2323
BrandRS PRO
SGD69.50
Each
units
100Ω 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. 185-2362
BrandRS PRO
SGD157.89
Each
units
22Ω 1kW R1000 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C -200ppm/°C +200ppm/°C - 400 x 60 x 30mm -
RS Stock No. 175-2481
BrandRS PRO
SGD35.45
Each
units
6.8Ω 200W RS200 Aluminium Housed ±5% Wire Wound - - +200°C - - - 103.4 x 72.5 x 41.8mm -
RS Stock No. 175-2446
BrandRS PRO
SGD5.23
Each
units
3.3kΩ 100W RS100 Aluminium Housed ±5% Wire Wound - - +200°C - - - 65.2 x 47.4 x 21.1mm -
RS Stock No. 175-2467
BrandRS PRO
SGD19.18
Each
units
1.2kΩ 150W RS150 Aluminium Housed ±5% Wire Wound - - +200°C - - - 97.7 x 47.5 x 24.1mm -
RS Stock No. 175-2485
BrandRS PRO
SGD19.46
Each
units
680Ω 200W RS200 Aluminium Housed ±5% Wire Wound - - +200°C - - - 103.4 x 72.5 x 41.8mm -
RS Stock No. 175-4133
BrandRS PRO
SGD5.168
Each (In a Pack of 5)
units
100mΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 185-2386
BrandRS PRO
SGD8.11
Each
units
39Ω 50W RSLPR50 Aluminium Housed ±5% Wire Wound Wire Lead -25°C +250°C - - - 50 x 75 x 5.7mm -
RS Stock No. 175-4094
BrandRS PRO
SGD1.526
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. 175-4136
BrandRS PRO
SGD1.806
Each (In a Pack of 5)
units
1.5kΩ 50W - Aluminium Housed ±5% Aluminium - - +200°C - - - 49.1 x 28 x 14.8mm -
RS Stock No. 185-2282
BrandRS PRO
SGD32.48
Each
units
2.2Ω 250W R250 Aluminium Housed ±5% Aluminium Wire Lead -25°C +250°C <-100ppm/°C <+100ppm/°C - 180 x 80 x 10mm -
RS Stock No. 146-8308
BrandRS PRO
SGD11.57
Each
units
47Ω 72W RSSC Tubular ±5% Wire Wound Solder Lug - - -260ppm/°C +260ppm/°C - 20 (Dia.) x 119mm 20mm