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SDM Wire Wound Power Resistor (WR Series)

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2615 / 3816 / 4525 / 6327

SDM Wire Wound Power Resistor


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

Standard Electrical Specifications

Item Type	Power Rating	Operating Temp. Range	Max. Operating Voltage	Max. Overload Voltage	Dielectric Withstanding Voltage	Resistance Range				TCR (±PPM/°C)
						±0.5%	±1%	±2%	±5%
WR15	1/2W 1W	-55 ~ +175℃ (+275℃ avail)	200V	350V	500V	0.22Ω~150Ω				±20 ±50 ±100 ±200
WR16	1W 2W	-55 ~ +175℃ (+275℃ avail)	250V	500V	500V	0.1Ω~200Ω				±10 ±20 ±50 ±100 ±200
WR25	2W 3W	-55 ~ +175℃ (+275℃ avail)	350V	700V	500V	0.22Ω~1KΩ				±10 ±20 ±50 ±100 ±200
WR27	3W 4W	-55 ~ +175℃ (+275℃ avail)	500V	800V	500V	0.1Ω~1.2KΩ				±10 ±20 ±50 ±100 ±200

Files Download

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  Data Sheet

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  Automotive Grade Chip Resistor - CR..A Series

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RoHS Report

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  RoHS Report

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  CR..A Series RoHS Report

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