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Wirewound Resistors

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Bourns offers a broad range of wirewound resistors with axial leaded through hole and surface mounted packages. These resistors are made by wrapped a high-performance resistive alloy wire around a low thermal resistance ceramic core. Wirewound resistors have superior pulse capability and available in non-inductive styles as well.

W, WS and FW series axial leaded through hole wirewound resistors are coated by UL 94V-0 compliant material.

FW series axial fusible resistor is UL1412 recognized and offers an integrated solution as it provides both inrush current protection and fusible overcurrent protection.

PWR series resistors covered by epoxy molded encapsulation which provides environmental protection for the resistive wire. And due to their wraparound terminations, they are suitable for surface mounting technology.   

 

Characteristics
  W, WS, FW PWR
Terminal Style Axial leaded, through hole Wraparound SMD
Sizes 9.5 x 4 to 52.5 x 8.5 (mm) 2010 to 5322 (inches)
Rated Power at 70®C 1 to 7 W 0.5 to 3 W
Resistance Range 0.01 ohms to 15 kiloohms 0.01 ohms to 15 kiloohms
Resistance Tolerance ±5 % 0.5 %, ±1 %, ±5 %
Temperature Coefficient ±200, ±300 ppm/°C ±20 to ±150 ppm/°C
Operating Temperature Range –55 to +155/200 °C –55 to +155/275 °C
 

Available features

  • High power rating
  • Superior pulse capability
  • Non-inductive version
  • UL1412 recognized fusible
  • Customized parts (surge capability, lead form)
  • Coating material meets UL 94V-0 requirements
  • RoHS compliant*
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Applications

  • Telecommunication Base stations
  • Audio equipment
  • Medical equipment
  • Industrial equipment
  • Smart meters
  • Renewable energy
  • Industrial
  • Power supplies/chargers
  • Lighting
  • Instruments/gauges
  • White goods
Product Series
Parametric Table
RoHS Files
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Series Data Sheet Photo Resistance Range Tolerances Temperature Coefficient Power (Watts) Profile/Package Style MDS Design Files Engineering Buy Now
FW Series Fusible FW Series Fusible FW_part 4.7 to 100 Ω 5 % ±200 ppm 1, 2, 3, 5, 7 W Through-hole Axial Wirewound FW Series
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W Series W Series W_photo 15 to 150 Ω 5 % ±300 ppm 1-10 W Through-hole Axial Wirewound W Series
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WS Series Surge Withstand WS Series Surge Withstand WS_part 15 to 3.3K Ω 5 % ±200 ppm 1-8 W Through-hole Axial Wirewound Downloads Buy
PWR2010 PWR2010 PWR2010_part 0.1-1K Ω 0.5 %,1 %, 5 % ±20 to ±90 ppm 0.5 W Surface Mount Wirewound PWR2010
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PWR2615 PWR2615 pwr4525_part 0.01-3K Ω 1 %, 5 % ±20 to ±150 ppm 1 W Surface Mount Wirewound PWR2615
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PWR3014 PWR3014 PWR2010_part 0.1-4K Ω 0.5 %,1 %, 5 % ±20 to ±90 ppm 1 W Surface Mount Wirewound PWR3014W
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PWR4318 PWR4318 PWR2010_part 0.1-8K Ω 0.5 %,1 %, 5 % ±20 to ±90 ppm 2 W Surface Mount Wirewound PWR4318W
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PWR4525 PWR4525 pwr4525_part 0.01-15K Ω 1 %, 5 % ±20 to ±150 ppm 2 W Surface Mount Wirewound PWR4525
 Downloads Buy
PWR5322 PWR5322 PWR2010_part 0.1-15K Ω 0.5 %,1 %, 5 % ±20 to ±90 ppm 3 W Surface Mount Wirewound PWR5322W
 Downloads Buy
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    Resistance (Ω) min
    0
    		max
    20000000
    Rated Power (Watts)
    Tolerance (%)
    Size (inch)
    TCR (ppm/°C)
    Resistive Material
    Model/Datasheet Photo MSL Soldering Profiles Packaging Label Terminal CofC 3rd Party Test Reports MDS China RoHS
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    Protecting High Speed Communication PortsPDF843.57 KB28 May, 2015 Download
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