SDM Wire Wound Power Resistor (WR Series)

SDM Wire Wound Power Resistor (WR Series)

2615 / 3816 / 4525 / 6327

SDM Wire Wound Power Resistor
SDM Wire Wound Power Resistor Files Download
Derating Curve
Derating Curve

Features

  • Resistance range:0.1 to 1.2KΩ.
  • Strong anti-lightening surge ability.
  • High loading power, can bear high power load
  • Nonflammable epoxy resin hot-pressing encapsulated, firm in structure
  • Low noise, low T.R.C, perfect stability and high reliability
  • Low noise, low T.R.C, perfect stability and high reliability
  • Suitable for surface mounted (SMT) operating for automation
  • Many kinds of size series for selection
  • Non-inductive wire wound resistors is available that customized by customers.

Applications

  • Anti-thunder modules of microwave communication
  • Power supply models of communication
  • High power supply，lightening stroke surge suppression circuits
  • Protection circuits of signal
  • Power supply of STB or other terminal devices
  • Anti-lightening protection Circuits of base station

Part Numbering

SDM Wire Wound Power Resistor - WR Series Part Numbering

Standard Electrical Specifications

Item
Type		Power RatingOperating Temp.
Range		Max.
Operating Voltage		Max.
Overload Voltage		Dielectric
Withstanding Voltage		Resistance RangeTCR
(±PPM/°C)
±0.5%±1%±2%±5%
WR151/2W
1W		-55 ~ +175℃
(+275℃ avail)		200V350V500V0.22Ω~150Ω±20
±50
±100
±200
WR161W
2W		-55 ~ +175℃
(+275℃ avail)		250V500V500V0.1Ω~200Ω±10
±20
±50
±100
±200
WR252W
3W		-55 ~ +175℃
(+275℃ avail)		350V700V500V0.22Ω~1KΩ±10
±20
±50
±100
±200
WR273W
5W		-55 ~ +175℃
(+275℃ avail)		500V800V500V0.1Ω~1.2KΩ±10
±20
±50
±100
±200
Files Download

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Best Sale

SDM Wire Wound Power Resistor (WR Series) Manufacturer - Viking

Based in Taiwan, Viking Tech Corporation is one of the prime SDM Wire Wound Power Resistor (WR Series) manufacturers since 1997. And their products are used throughout automotive, electronic device applications.

TS16949/ ISO9001/ ISO14001 and meet AEC-Q200 standards, Viking has been offering anti-sulfur, anti-surge, pulse, high voltage, high power precision resistors including thin/ thick film resistors, automotive resistors, melf resistors, current sense resistors, etc. Low noise, low TC, high power inductors such as rf inductors, chip inductors, power inductors, variable inductors, ferrite chip inductors, shielded inductors, wire wound inductors and dip inductors.

Viking has been offering customers high quality power resistors, power inductors and aluminum electrolytic capacitors with solid reputation. Both with advanced technology and 20 years of experience, Viking makes sure to meet each customer's demands.

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