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ULW4

Part Number	ULW4
Manufacturer	Welwyn
Description	UL Recognised Wirewound Resistors
Published	Jul 24, 2012
Detailed Description	UL Recognised Wirewound Resistors ULW Series Welwyn Components · UL1412 recognised fusible resistor * · Failsafe mai...
Datasheet	ULW4 PDF File

Overview

UL Recognised Wirewound Resistors ULW Series Welwyn Components · UL1412 recognised fusible resistor * · Failsafe mains fusing at 120 / 240Vrms · Inrush and surge withstanding · UL94-V0 flameproof coating · SMD leadform option available · RoHS compliant * UL file number E234469.
Electrical Data ULW2 Power rating at 25°C 5 second overload rating at 25ºC Inrush / surge performance Resistance range TCR Isolation voltage Resistance tolerance UL recognised standard values Thermal impedance Ambient temperature range ohms ppm/°C volts % ohms °C/watt °C 22, 33, 47, 68, 100 www.
DataSheet.
net/ ULW3 3 15 See Pulse Performance graphs 10 to 100 ±200 350 5 10, 22, 27, 33, 47, 68, 100 82 -55 to +...

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