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WA84F Datasheet(PDF) 2 Page - Welwyn Components Limited |
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WA84F Datasheet(HTML) 2 Page - Welwyn Components Limited |
2 / 2 page Fusible Wirewound Resistors WA84F © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com Issue C · 04.03 Welwyn Components 171 67 f1 f2 6 6 10 Body Location f1 – f2 ≤ 1.4 mm Packaging The standard method of packaging is taped in ammo packs. Can be provided on reels by request. The critical dimensions are shown in figure 2. Component wires will not protrude beyond the outside edge of the tapes. Alternative packaging available by special request are detailed in table opposite. 0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0 Multiple of rated power Fusing characteristics for constant voltage for R20 to 30R 0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0 Multiple of rated power Fusing characteristics for constant current for 2R1 to 30R for R20 to 2R 20 40 60 80 100 120 140 160 180 200 220 240 260 280 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Temp °C WA84F Series Derating Curve Figure 2 Maximum Typical Load at rated power: 1000 hrs at 25 or 70°C ∆ R% 5.0 3.0 Dry heat: 1000 hrs at 200°C ∆ R% 5.0 3.0 Derating from rated power at 25°C zero at 275°C Short term overload - 2.5 x rated power for 5 seconds ∆ R% 5.0 2.0 D.H.S.S. ∆ R% 5.0 2.0 Climatic ∆ R% 5.0 1.0 Pulse handling Data available by request Performance Data Type WA84F Reel 1000 Large ammo pack 1000 Standard Quantities Per Package Type b c WA84F 67 10 WA84F_C.qxd 28/4/03 10:51 am Page 2 |
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