PWRL series NEW 2/6/03 4:04 pm Page 1 Low Resistance Stand-up Power Wirewound Resistor Welwyn Components PWRL Series * * * * 3, 5, 7 and 10 watts 0R01 ohm to 0R18 ohm range * Flameproof inorganic construction Radial leads for PC mount TC's from 50 ppm/C to +500 ppm/C (range dependent) Electrical Data PWRL Power rating watts 3, 5, 7 and 10 Resistance range ohms 0R01 to 0R18 Tolerance % 1, 2, 3, 5 and 10 Physical Data Dimensions (mm) Type A B C D E LD PWRL-3 12.00.8 8.10.8 25.40.8 5.081.6 4.441.6 1.020.05 PWRL-5 12.70.8 8.80.8 25.40.8 5.081.6 4.441.6 1.020.05 PWRL-7 12.70.8 8.80.8 38.10.81 5.081.6 4.441.6 1.020.05 A B C PWRL-10 16.00.81 13.20.81 35.30.81 7.41.6 6.41.6 Power Derating Curve 1.020.05 2.032 0.813 LD 4.318 1.575 D E Hot Spot Temperature Rise at 25C 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 (c) 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 B * 03.02 110 Low Resistance Stand-up Power Wirewound Resistor Welwyn Components PWRL Series Ordering Procedure Example: PWRL5 at 10 milliohms and 5% tolerance in bulk pack PWRL5- R01JI Type Value (use IEC62 code) Tolerance (use IEC62 code) F G H 1% 2% 3% J K 5% 10% Note: 1 & 5% preferred Packing I Bulk Standard (c) 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 118 Issue B * 03.02