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ULW2

Welwyn
Part Number ULW2
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 PDF File ULW2 PDF File

ULW2
ULW2

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 +155 ULW4 4 20 10 500 10 62 watts watts 2 10 22 to 100 250 110 Note - no limiting element voltage applies; maximum continuous voltage is √(P.
R) Physical Data Dimensions (mm) and weight (g) Type ULW2 ULW3 ULW4 L Max 9.
0 14.
5 13 D Max 3.
6 5.
2 5.
6 f min 19.
8 24.
6 22.
8 0.
8 d nom PCB mount centres 1...


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