Low Resistance Power Wirewounds Welwyn Components PLO Series • 3 watts to 15 watts • ±1, 2, 3, 5 and 10% tolerance • 0.005 ohm to 0.18 ohm • TC’s from 30 ppm/°C to +500 ppm/°C Electrical Data Type PLO-3 PLO-5 PLO-7 PLO-10 3 5 7 10 15 R01 to R18 R01 to R18 Power @ 25°C watts Resistance range ohms R005 to R18 R005 to R18 R01 to R18 PLO-15 Inductance less than 10 nanohenries Note: When ordering the alternate configuration please add an ‘A’ after the part number. (ie. PLO-3A) Standard test points for PLO-3 and PLO-5 are 44.45mm; test points for PLO-7, PLO-10 and PLO-15 are 63.50mm. Physical Data Standard Configuration Dimensions (mm) Type L W H d E ±1.6 ±0.8 ±0.8 ±0.05 ±0.8 PLO-3 22.4 7.87 7.87 0.040 9.65 PLO-5 22.4 9.65 8.89 0.040 10.4 PLO-7 35.3 9.65 8.89 0.040 11.9 PLO-10 47.8 9.65 8.89 0.040 11.9 PLO-15 47.8 12.7 12.7 0.040 16.0 H d L Type PLO Alternate Configuration E Type PLO-XA Temperature Rise Percent Rated Load Hot Spot Temperature (°C) Power Derating W Ambient Temperature (°C) Percent Rated Load Packaging Resistors are supplied bulk packed. 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 © Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: [email protected] · Website: www.welwyn-tt.com 106 Issue B · 03.02