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. 166-4176
Mfr. Part No.HS50 390R J
BrandArcol
TWD86
Each (In a Bag of 20)
units
390 Ω 50W HS50 Aluminium Housed ±5% Wire Wound Axial -55°C +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 14.8 x 72.5 x 29.7mm -
RS Stock No. 107-4204
Mfr. Part No.HS50 390R J
BrandArcol
TWD94
Each
units
390 Ω 50W HS50 Aluminium Housed ±5% Wire Wound Axial -55°C +200°C -100ppm/°C +100ppm/°C ±100ppm/°C 14.8 x 72.5 x 29.7mm -
RS Stock No. 167-9974
Mfr. Part No.LPS0300H47R0JB
BrandVishay
TWD2,353
Each (In a Box of 15)
units
47 Ω 300W LPS300 - ±5% Thick Film Screw -55°C +120°C -150ppm/°C +150ppm/°C ±150ppm/°C - -
RS Stock No. 684-2813
Mfr. Part No.LPS0300H47R0JB
BrandVishay
TWD1,521
Each
units
47 Ω 300W LPS300 - ±5% Thick Film Screw -55°C +120°C -150ppm/°C +150ppm/°C ±150ppm/°C - -
RS Stock No. 892-5137
Mfr. Part No.L25J15KE
BrandOhmite
TWD287
Each
units
15 kΩ 25W L25 - ±5% Wirewound Solder +25°C +350°C -260ppm/°C +260ppm/°C ±260ppm/°C 14.3 (Dia.) x 50.8mm 14.3mm
RS Stock No. 701-5838
Mfr. Part No.TE1500B47RJ
TWD1,656
Each
units
47 Ω 1.5kW TE - ±5% Wire Wound Solder Lug -25°C +255°C -440ppm/°C +440ppm/°C ±440ppm/°C - 60mm
RS Stock No. 164-3073
Mfr. Part No.HSA5047KJ
TWD103
Each (In a Box of 100)
units
47 kΩ 50W HSA50 Aluminium Housed ±5% Wire Wound Solder Lug - - -30ppm/°C +30ppm/°C ±30ppm/°C - -
RS Stock No. 720-5356
Mfr. Part No.HSA5047KJ
TWD177
Each
units
47 kΩ 50W HSA50 Aluminium Housed ±5% Wire Wound Solder Lug - - -30ppm/°C +30ppm/°C ±30ppm/°C - -
RS Stock No. 166-3823
Mfr. Part No.HS100 1R J
BrandArcol
TWD244
Each (In a Box of 45)
units
1 Ω 100W HS100 Aluminium Housed ±5% Wire Wound Axial - - -100ppm/°C +100ppm/°C ±100ppm/°C 24.1 x 88 x 47.5mm -
RS Stock No. 188-087
Mfr. Part No.HS100 1R J
BrandArcol
TWD203
Each
units
1 Ω 100W HS100 Aluminium Housed ±5% Wire Wound Axial - - -100ppm/°C +100ppm/°C ±100ppm/°C 24.1 x 88 x 47.5mm -
RS Stock No. 158-446
Mfr. Part No.HS50 R1 J
BrandArcol
TWD85
Each
units
100 mΩ 50W HS50 Aluminium Housed ±5% Wire Wound Axial - - -100ppm/°C +100ppm/°C ±100ppm/°C 14.8 x 72.5 x 29.7mm -
RS Stock No. 166-4090
Mfr. Part No.HS25 R47 J
BrandArcol
TWD73
Each (In a Bag of 25)
units
470 mΩ 25W HS25 Aluminium Housed ±5% Wire Wound Axial - - -100ppm/°C +100ppm/°C ±100ppm/°C 14.6 x 51 x 28mm -
RS Stock No. 166-4209
Mfr. Part No.HS50 R1 J
BrandArcol
TWD86
Each (In a Bag of 20)
units
100 mΩ 50W HS50 Aluminium Housed ±5% Wire Wound Axial - - -100ppm/°C +100ppm/°C ±100ppm/°C 14.8 x 72.5 x 29.7mm -
RS Stock No. 157-516
Mfr. Part No.HS25 R47 J
BrandArcol
TWD107
Each
units
470 mΩ 25W HS25 Aluminium Housed ±5% Wire Wound Axial - - -100ppm/°C +100ppm/°C ±100ppm/°C 14.6 x 51 x 28mm -
RS Stock No. 892-5061
Mfr. Part No.L225J10RE
BrandOhmite
TWD675
Each
units
10 Ω 225W L225 - ±5% Wire Wound Solder +25°C +350°C -400ppm/°C +400ppm/°C ±400ppm/°C 28.6 (Dia.) x 266.7mm 28.6mm
RS Stock No. 159-584
Mfr. Part No.HS25 2K2 J
BrandArcol
TWD78
Each
units
2.2 kΩ 25W HS25 Aluminium Housed ±5% Wire Wound Axial - - -25ppm/°C +25ppm/°C ±25ppm/°C 14.6 x 51 x 28mm -
RS Stock No. 701-5692
Mfr. Part No.TE200B1R0J
TWD654
Each
units
1 Ω 200W TE - ±5% Wire Wound Solder Lug -25°C +255°C -440ppm/°C +440ppm/°C ±440ppm/°C - 40mm
RS Stock No. 754-7307
Mfr. Part No.THS50390RJ
TWD91
Each
units
390 Ω 50W THS50 Aluminium Housed ±5% Wire Wound Solder Lug - - -30ppm/°C +30ppm/°C ±30ppm/°C - -
RS Stock No. 188-071
Mfr. Part No.HS100 R5 J
BrandArcol
TWD333
Each
units
500 mΩ 100W HS100 Aluminium Housed ±5% Wire Wound Axial - - -100ppm/°C +100ppm/°C ±100ppm/°C 24.1 x 88 x 47.5mm -
RS Stock No. 164-6915
Mfr. Part No.TJT50022RJ
TWD2,058
Each (In a Box of 10)
units
22 Ω 500W TJT500 Aluminium Housed ±5% Aluminium Wire Lead -25°C +250°C - - ±260ppm/°C 330 x 10 x 80mm -