Wirewound Tubular Fixed Resistors 50W and Mounting Hardware

Power rating 50W
Resistance range 1.8 Ohm – 51 kOhm
Resistance tolerance ±5%,  ±10%
Price Resistor FPT 50W 1.8R - 16R $2.95
Resistor FPT 50W 18R - 100R $2.50
Resistor FPT 50W 110R - 910R $2.30
Resistor FPT 50W 1K - 51K $2.50
Dimensions D×L×H×d 30×90×43×20 mm
Weight 90 g

Wirewound unregulated resistors of type FPT (Fixed Painted Tubular Resistors) series, dissipation power 50W, rated resistance from 1.8 Ohm to 51 kOhm. Similar series of resistors are RX20, RXG, RXHG. Resistors are designed for using in AC and DC circuits, providing current limitation and voltage distribution. Resistors with a specific rated power can also be manufactured to individual order.

PDFDatasheet PDF for WireWound Tubular Fixed Resistors.

PDFThe resistance values of resistors follow the E24 series.

Structurally, the resistor consists of a tubular ceramic core on which a constantan (low resistance resistor) or nichrome (high resistance resistor) wire is wound. Resistors are coated with heat-resistant and moisture-resistant insulating paint.

Contacts, resistor leads are rigid, tape type with screw holes or for soldering conductors. Kind of mounting is hinged. Mounting of resistors on the panel is provided by a set of fasteners. Resistance tolerance is ±5%, ±10%.

The maximum operating voltage at AC is 1000V, at DC – 1400V. Operating elevated ambient temperature does not exceed +155°C (at the same time the power is reduced to 60% of the nominal power), the limit temperature up to +250°C. The insulation resistance of wire resistors is at least 1000 MOhm. Working time – at least 15000 hours.

Using the calculator, it is convenient to calculate the total resistance when the resistors are connected in parallel or in series, and the resistor resistance in the circuit.

Comparative characteristics of wire tube resistors, cement resistors and resistors in aluminium housing are presented in the comparative table.

Detailed resistor specifications, overall and mounting dimensions, mounting kit, installation and operation recommendations are given on the page below.

Our company is engaged in the production and sale of wirewound tubular resistors. All our products pass strict quality control and meet the necessary standards. Since we are the manufacturer, and in the price of the final product does not include dealer markups, we have low price saddle packing.

The warranty period of the resistors 50W supplied by our company is 2 years. Documents confirming the quality of products are provided.

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The final price for 50W Wirewound Tubular Fixed Resistors depends on the quantity, delivery terms and form of payment.

For questions regarding the acquisition of WireWound Tubular Resistors 50W, send an email request to:

office@asenergi.com

And we will provide you a commercial offer for delivery.
For a large number, we will provide an individual price!!!

We are interested in local partners and distributors for long-term cooperation.

We are open to manufacture products at our production facilities according to your requests and technical task.


Range of nominals of Ceramic Wirewound Tubular Fixed Resistors 50 Watts:

1.8 Ohm – 51 Ohm 56 Ohm – 1.8 kOhm 2 kOhm – 51 kOhm
Nominal Price Nominal Price Nominal Price
FPT 50W 1.8 Ohm $2.95
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FPT 50W 56 Ohm $2.50
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FPT 50W 2 kOhm $2.50
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FPT 50W 2 Ohm $2.95
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FPT 50W 62 Ohm $2.50
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FPT 50W 2.2 kOhm $2.50
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FPT 50W 2.2 Ohm $2.95
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FPT 50W 68 Ohm $2.50
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FPT 50W 2.4 kOhm $2.50
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FPT 50W 2.4 Ohm $2.95
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FPT 50W 75 Ohm $2.50
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FPT 50W 2.7 kOhm $2.50
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FPT 50W 2.7 Ohm $2.95
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FPT 50W 82 Ohm $2.50
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FPT 50W 3 kOhm $2.50
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FPT 50W 3 Ohm $2.95
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FPT 50W 91 Ohm $2.50
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FPT 50W 3.3 kOhm $2.50
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FPT 50W 3.3 Ohm $2.95
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FPT 50W 100 Ohm $2.50
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FPT 50W 3.6 kOhm $2.50
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FPT 50W 3.6 Ohm $2.95
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FPT 50W 110 Ohm $2.30
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FPT 50W 3.9 kOhm $2.50
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FPT 50W 3.9 Ohm $2.95
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FPT 50W 120 Ohm $2.30
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FPT 50W 4.3 kOhm $2.50
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FPT 50W 4.3 Ohm $2.95
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FPT 50W 130 Ohm $2.30
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FPT 50W 4.7 kOhm $2.50
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FPT 50W 4.7 Ohm $2.95
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FPT 50W 150 Ohm $2.30
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FPT 50W 5.0 kOhm $2.50
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FPT 50W 5.0 Ohm $2.95
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FPT 50W 160 Ohm $2.30
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FPT 50W 5.1 kOhm $2.50
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FPT 50W 5.1 Ohm $2.95
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FPT 50W 180 Ohm $2.30
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FPT 50W 5.6 kOhm $2.50
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FPT 50W 5.6 Ohm $2.95
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FPT 50W 200 Ohm $2.30
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FPT 50W 6.2 kOhm $2.50
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FPT 50W 6.2 Ohm $2.95
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FPT 50W 220 Ohm $2.30
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FPT 50W 6.8 kOhm $2.50
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FPT 50W 6.8 Ohm $2.95
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FPT 50W 240 Ohm $2.30
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FPT 50W 7.5 kOhm $2.50
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FPT 50W 7.5 Ohm $2.95
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FPT 50W 270 Ohm $2.30
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FPT 50W 8.2 kOhm $2.50
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FPT 50W 8.2 Ohm $2.95
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FPT 50W 300 Ohm $2.30
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FPT 50W 9.1 kOhm $2.50
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FPT 50W 9.1 Ohm $2.95
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FPT 50W 330 Ohm $2.30
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FPT 50W 10 kOhm $2.50
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FPT 50W 10 Ohm $2.95
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FPT 50W 360 Ohm $2.30
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FPT 50W 11 kOhm $2.50
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FPT 50W 11 Ohm $2.95
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FPT 50W 390 Ohm $2.30
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FPT 50W 12 kOhm $2.50
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FPT 50W 12 Ohm $2.95
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FPT 50W 430 Ohm $2.30
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FPT 50W 13 kOhm $2.50
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FPT 50W 13 Ohm $2.95
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FPT 50W 470 Ohm $2.30
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FPT 50W 15 kOhm $2.50
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FPT 50W 15 Ohm $2.95
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FPT 50W 500 Ohm $2.30
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FPT 50W 18 kOhm $2.50
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FPT 50W 16 Ohm $2.95
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FPT 50W 510 Ohm $2.30
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FPT 50W 20 kOhm $2.50
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FPT 50W 18 Ohm $2.50
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FPT 50W 560 Ohm $2.30
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FPT 50W 22 kOhm $2.50
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FPT 50W 20 Ohm $2.50
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FPT 50W 620 Ohm $2.30
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FPT 50W 24 kOhm $2.50
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FPT 50W 22 Ohm $2.50
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FPT 50W 680 Ohm $2.30
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FPT 50W 27 kOhm $2.50
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FPT 50W 24 Ohm $2.50
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FPT 50W 750 Ohm $2.30
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FPT 50W 30 kOhm $2.50
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FPT 50W 27 Ohm $2.50
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FPT 50W 820 Ohm $2.30
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FPT 50W 33 kOhm $2.50
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FPT 50W 30 Ohm $2.50
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FPT 50W 910 Ohm $2.30
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FPT 50W 36 kOhm $2.50
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FPT 50W 33 Ohm $2.50
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FPT 50W 1 kOhm $2.50
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FPT 50W 39 kOhm $2.50
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FPT 50W 36 Ohm $2.50
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FPT 50W 1.1 kOhm $2.50
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FPT 50W 43 kOhm $2.50
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FPT 50W 39 Ohm $2.50
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FPT 50W 1.2 kOhm $2.50
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FPT 50W 47 kOhm $2.50
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FPT 50W 43 Ohm $2.50
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FPT 50W 1.3 kOhm $2.50
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FPT 50W 50 kOhm $2.50
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FPT 50W 47 Ohm $2.50
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FPT 50W 1.5 kOhm $2.50
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FPT 50W 51 kOhm $2.50
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FPT 50W 50 Ohm $2.50
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FPT 50W 1.6 kOhm $2.50
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FPT 50W 51 Ohm $2.50
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FPT 50W 1.8 kOhm $2.50
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Part Numbering Guide for Resistors 50W:

Resistor   FPT   50W   100 Ohm   ±10%
Resistor Product Name.
FPT Fixed Painted Tubular Resistor Series.
50W Rated Power, Watts.
100 Ohm Nominal Resistance.
±10% Tolerance.

Electrical and technical specifications of Wirewound Tubular Resistors 50W:

Power rating 50W
Resistance range 1.8 Ohm – 51 kOhm
Series of nominal resistance values E24, PDFDatasheet of resistance values
Resistance tolerance ± 5%, ± 10%
Rated voltage Vmax = (Pnom × Rnom)0.5
Maximum working voltage 1400V
Operating temperature -60°C ... +155°C
Raised ambient operating temperature 70ºC
Relative humidity at 35°C without condensation <98%
Temperature coefficient of resistance ±500 ppm/°C
Insultation resistance 1000 MOhm
Life time 15000 hours

Mounting Hardware for Wirewound Tubular Resistors

Mounting hardware are used for mounting the resistors. Resistors can be supplied with a set of mounting hardware, including mounting brackets (corners), which must be ordered individually.

drawing
Photo Series of mounting hardware and brackets Price Dimensions, mm Weight
Threaded rod Ceramic bushing Mounting brackets Size between resistor axis and panel Size between resistor and panel
L Ød1 ØD Ød AxAxB k h
Hardware 50W HDW 50W $0.80
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150 М5 30 18 30x30x15 24 9.5±1 47 g
Mounting Brackets 50W BR 50W (2 pcs.) $0.35
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21 g

Completeness of Mounting Hardware for Wirewound Tubular Resistors

Image Completeness of Mounting Hardware
Item 7.5, 10, 15 Watt 25, 50, 75, 100, 160 Watt
Threaded rod M5 1 pcs. 1 pcs.
Ceramic bushing - 2 pcs.
Screw-nut M5 2 pcs. 2 pcs.
Flat washer 2 pcs. 2 pcs.
Spring washer 2 pcs. 2 pcs.
Asbestos washer 2 pcs. 2 pcs.
Textolite washer 2 pcs. -
Brackets (Corners) - 2 pcs.

Installation methods of tube resistors

At influence of mechanical factors for resistors the hinged way of installation is applied. The resistors are fixed to the mounting plates by mounting hardware:

  • resistor power from 3 to 25 Watt – cantilever or on two brackets at the ends of the mounting studs
  • resistor power from 50 to 160 Watt – only on two brackets at the ends of the mounting studs
Resistor mounting

Overall and Mounting Dimensions of Wirewound Tubular Fixed Resistors 50W:

Drawing of wirewound tubular resistor
L, mm ØD, mm H, mm Ød, mm Ød1, mm B, mm A, mm
90 30 43 20 3 6 4.5

WireWound Tubular Ceramic Power Resistors by AS ENERGI

Our company is engaged in the manufacturer and sale of wirewound tubular resistors fixed and adjustable types.
You can buy resistors from us in any volumes, and when ordering large lots, the price will be lower.
We have earned the trust of customers and cooperate with companies from neighboring countries.

To purchase WireWound Tubular Resistors, send an email request to:

office@asenergi.com

And we will provide you a commercial offer for delivery.


Datasheet (pdf specification) for Wire Wound Tubular Fixed Resistors:

PDFDatasheet PDF for WireWound Tubular Fixed Resistors


Guide for using and operation of resistors:

  • Solder the wires to the resistor leads in specially designed holes.
  • When installing resistors in equipment recommended to use Sn40Pb60 solder. Soldering iron core temperature is 300°C. Soldering iron power is 65W. The flux should consist of 25% by weight of rosin and 75% by weight of isopropyl or ethyl alcohol. Soldering time 5 s.
  • The voltage that can be supplied to the resistor must not exceed the value calculated on the basis of the nominal (or allowable) power Pnom and nominal resistance Rnom according to the formula:
    Vmax = (Pnom × Rnom)0.5
  • Resonant frequency value - 1500 Hz.
  • 95-percent work resource - 30 000 hours.
  • It is allowed to operate resistors under the influence of gas media of this composition (without the formation of an explosive mixture):
    • nitrogen – up to 96%;
    • oxygen – up to 50%;
    • carbon dioxide – up to 3%;
    • hydrogen – up to 20%;
    • helium – up to 1%;
    • argon – up to 1,5%.
  • Operation of resistors during and after exposure to atmospheric pressure reduced to 10~5 mm Hg is allowed.
  • In electrical circuits with voltages above 500V resistors must be used with additional insulation at the mounting points.
  • When using resistors in equipment with vibration loads from 1 to 2500 Hz with an acceleration of 176.6 m/s2 (18g), the resistor leads must be soldered with a 0.5 mm2 wire cross-section with insulation by a polychlorovinyl tube Ø4 mm and length of 15-20 mm – for resistors 5-25 W, and Ø5 mm and length of 15-20 mm – for resistors 50-100 W.
  • Tensile force value should be 20N (2 kgf).
  • The upper frequency of the range in which there should be no resonant frequencies – 1000 Hz.
  • Maximum surface temperature of the resistor is not more than 250°C.

Graph of the resistor power reduction:

The load power should be reduced based on the derating curve once the ambient temperature exceeds the rated values.


Resistor Resistance Calculation


Resistor Connection Diagram


Comparative performance of high power resistors:

Resistor Series Type Structure Power, W Resistance Range, Ohm Maximum Voltage, V Resistance Tolerance
img FPT, RX20 Fixed Wire Tubular Ceramic 3 - 160W 1 R - 100 K ~1000V
=1400V
± 5%
± 10%
img APT, RX20 Adjustable, Regulated Wire Tubular Ceramic 3 - 160W 1 R - 100 K ~1000V
=1400V
± 5%
± 10%
img SQP, RX27, CR-L Fixed Wire Ceramic Cement 5 - 25W 0,01 R - 100 K ~1500V
=1000V
± 5%
img AH, HS, RX24 Fixed Wire Ceramic, Aluminum Case with Radiator 5 - 1000W 0,01 R - 100 K ~2500V
=2500V
± 5%
GİZEM GÖZÜN 26.01.2021 at 13:04
2
I'm Gizem, I'm a chemical engineer. I'm interested in making ceramic stuffs as a hobby. Would you please give some explanation about my questions below;
1) If I only mix SiO2 and Fe2O3 (3:1), can i get a suitable product without using other components?
2) Can i use water as fastener? or would you suggest me another fastener?
3) At which temperature should i mix them?
Thank you for your interest, Kind Regards
Aleksander 26.01.2021 at 14:43
1
Hello, Gizem. The mass of ceramic is produced by grinding and mixing with water of different components: clay, feldspar, sand, kaolin. The proportions of these materials are different percentages, depending on what and with what characteristics you need to get a ceramic mass.
Each manufacturer of ceramic mass has its own recipes and its own raw materials, which are available in its region.
There are also books on ceramics that specify the chemical composition and approximate recipes for ceramic masses.

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