PWRL

PWRL series NEW 2/6/03 4:04 pm Page 1 Low Resistance Stand-up Power Wirewound Resistor PWRL Series Welwyn Components • • • • • 3, 5, 7 and 10 watts 0R01 ohm to 0R18 ohm range Radial leads for PC mount TC’s from 50 ppm/°C to +500 ppm/°C (range dependent) Flameproof inorganic construction Electrical Data PWRL Power rating Resistance range Tolerance watts ohms % 3, 5, 7 and 10 0R01 to 0R18 ±1, ±2, ±3, ±5 and ±10 Physical Data Dimensions (mm) Type PWRL-3 PWRL-5 PWRL-7 PWRL-10 A 12.0±0.8 12.7±0.8 12.7±0.8 16.0±0.81 B 8.1±0.8 8.8±0.8 8.8±0.8 13.2±0.81 C 25.4±0.8 25.4±0.8 38.1±0.81 35.3±0.81 D 5.08±1.6 5.08±1.6 5.08±1.6 7.4±1.6 E 4.44±1.6 4.44±1.6 4.44±1.6 6.4±1.6 LD 1.02±0.05 C 1.02±0.05 1.02±0.05 1.02±0.05 4.318 ±1.575 D 2.032 ±0.813 LD E A B Power Derating Curve Hot Spot Temperature Rise at 25°C General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyn’s own data and is considered accurate at time of going to print. A subsidiary of TT electronics plc Issue B · 03.02 © 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 110