POWER TYPE RESISTORS TECHNOLOGY OF TOMORROW WIREWOUND MINIATURE TYPE POWER RW STRUCTURE Insulation coating Resistive element (wire) Lead wire Electrode cap Ceramic core POWER TYPE RESISTORS 1 2 3 4 5 IDENTIFICATION PRODUCT CODE COATING COLOR MARKING RW Black Alpha Numeric (Type, R-value and tolerance) TYPE DESIGNATION (HOW TO ORDER) Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. New Part No. (Pb-free) * RW 1/2 T T52 A PRODUCT CODE POWER RATING TERMINATION SURFACE MATERIAL TAPING & FORMING PACKAGING Unit: Watt 1/2 ... 10 A: Ammo "Blank": Bulk T: Sn 2611 F NOMINAL RESISTANCE RESISTANCE TOLERANCE D, F: 4 digits H, J: 3 digits D: 0.5% F: 1% H: 3% J: 5% *Please see "PACKAGING" DIMENSIONS (mm) FEATURES Wirewound high power type resistor (0.5W to 10W) Precision type resistor in a wide resistance range with light tolerances Excellent long term stability Excellent environment performance Axial taping is available for RW1/2 and RW1 Tolerance 0.1% is available on request Meets or exceeds MIL-R-26E (U and V characteristics) and surface temp. (hot spot) 350 C max. Rated ambient temperature: +25C Operating temperature range: -55C ... +275C (characteristics U) Operating temperature range: -55C ... +350C (characteristics V) DERATING CURVE 1 2 TYPE L RW 1/2 RW 1 RW 2 RW 3 RW 5 RW 7 RW 10 8 1.0 10.5 1.0 13 1.0 16.5 1.0 22 1.0 31.5 1.0 46 1.5 OD + 1.0 - 0 1.6 2.7 1.0 5.2 1.0 6.4 1.0 7.8 1.5 7.8 1.5 9.3 1.5 Od (nominal) l 0.5 0.5 0.8 1.0 1.0 1.0 1.0 383 SURFACE TEMPERATURE RISE Characteristic U: Recommended maximum wattage rating for best long term stability. Allows 275C hot spot and 0.5% load life stability. Characteristic V: Dual wattage rating allows 350C hot spot and 3% R after 1000 Hrs load life stability. RATING TYPE RW 1/2 RW 1 RW 2 RW 3 RW 5 RW 7 RW 10 T.C.R. (ppm/K) 90: R<1 50: 1<R<9.9 20: R10 POWER RATING* (at 25C) CHARACTERISTICS V U 0.5 W 1W 1W 2W 2W 3W 3W 5W 5W 7W 7W 10 W 10 W 14 W MAX. WORKING VOLTAGE 80 V 130 V 140 V 200 V 400 V 600 V 1000 V MAX. OVERLOAD VOLTAGE 150 V 300 V 500 V 600 V 700 V 800 V 1500 V RESISTANCE RANGE AND TOLERANCE* E96 E24 E96 F(1%) H(3%) * J(5%) D(0.5%) 10 ... 2.61 k 10 ... 2.61 k 0.47 ... 2.7 k 1 ... 5.11 k 1 ... 5.11 k 0.1 ... 5.1 k 1 ... 10 k 1 ... 10 k 0.1 ... 10 k 1 ... 15 k 1 ... 15 k 0.1 ... 15 k 1 ... 30.1 k 1 ... 30.1 k 0.1 ... 30 k 1 ... 45.3 k 1 ... 45.3 k 0.1 ... 47 k 0.1 ... 62 k 1 ... 60.4 k 1 ... 60.4 k * For resistors operated at an ambient temperature of +25C or above, the power rating shall be derated in accordance with the above derating curve. ** Tolerance 0.1% is available on request. EUROPE GmbH * Kaddenbusch 6 * D-25578 Dageling / ITZEHOE * PHONE: +49 (0) 48 21 / 89 89-0 * FAX: +49 (0) 48 21/ 89 89 89 * Internet: www.koaeurope.de Revision: 5. Nov. 2004