RW resistors coat insulated miniature precision power wirewound resistors NEW features * Resistors meeting MIL-R-26E (U and V characteristics) and surface temperature (hot spot) 350C max. * Resistors with a wide range of 0.1 ~ 62k, covering applications from precision to power * RW N type resistors are non-inductive wound and can be used in high frequency applications. * Marking: Black body color with alpha-numeric marking * Products with lead-free terminations meet RoHS requirements. Pb located in glass material, electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC dimensions and construction L Ceramic Core l l t Type d D Insulation Coating Resistive Wire Electrode Lead Cap Wire L Dimensions inches (mm) D d (nom.) RW1/2, RW1/2N RW1, RW1N .413.039 .106.039 (10.51.0) (2.71.0) RW2, RW1N .512.039 .205.039 (13.01.0) (5.21.0) RW3, RW3N .650.039 .252.039 (16.51.0) (6.41.0) RW5, RW5N .866.039 (221.0) .307.059 1.24.039 (7.81.5) (31.51.0) RW7, RW7N RW10, RW10N l +.039 .315.039 (8.01.0) .138 -0 (1.6+1.0 ) -0 .020 (0.5) .031 (0.8) 1.50.118 (38.03.0) .039 (1.0) 1.81.059 .366.089 (46.01.5) (9.31.5) ordering information Pb Free Type RW Type 1/2 N T 103 Power Rating 1/2: 0.5W 1: 1W 2: 2W 3: 3W 5: 5W 7: 7W 10: 10W Winding Method Nil: Standard winding N: Non-inductive winding Termination Material T: Sn Nominal Resistance 3%, 5%: 2 significant figures + 1 multiplier "R" indicates decimal on value <10 0.5%, 1%: 3 significant figures + 1 multiplier "R" indicates decimal on value <100 Packaging quantity: RW1/2 ~ RW1: 1,000 pieces RW2 ~ RW7: 500 pieces RW10: 300 pieces Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 126 J Tolerance D: 0.5% F: 1% H: 3% J: 5% 9/18/07 KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com coat insulated miniature precision power wirewound resistors applications and ratings Resistance Range () Power Rating Part Designation RW1/2 RW1/2N RW1 RW1N RW2 RW2N RW3 RW3N RW5 RW5N RW7 RW7N RW10 RW10N U V 0.5W 1.0W 1.0W 2.0W 2.0W 3.0W 3.0W 5.0W 5.0W 7.0W 7.0W 10W 10W 14W T.C.R. (ppm/C) D0.5% (E96) F1% (E96) H3% (E24) J5% (E24) 10 - 2.61k 10 - 2.61k 0.47 - 2.7k 0.47 - 2.7k -- 10 - 2.37k 10 - 2.4k 10 - 2.4k 1 - 5.11k 1 - 5.11k 0.1 - 5.1k 0.1 - 5.1k -- 10 - 3.74k 10 - 3.6k 10 - 3.6k 1 - 10k 1 - 10k 0.1 - 10k 0.1 - 10k -- 15 - 10k 10 - 10k 10 - 10k 20:R10 1 - 15k 1 - 15k 0.1 - 15k 0.1 - 15k -- 15 - 15k 15 - 15k 15 - 15k 50:1R <10 1 - 30.1k 1 - 30.1k 0.1 - 30k 0.1 - 30k 90:R<1 -- 20 - 29.4k 20 - 30k 20 - 30k 1 - 45.3k 1 - 45.3k 0.1 - 47k 0.1 - 47k -- 36 - 44.2k 36 - 43k 36 - 43k 1 - 60.4 1 - 60.4k 0.1 - 62k 0.1 - 62k -- 62 - 49.9k 62 - 51k 62 - 51k Max. Working Voltage Max. Overload Voltage 80V 150V 130V 300V 140V 500V 200V 600V 400V 700V 600V 800V 1000V 1500V environmental applications Derating Curve Surface Temperature Rise U V 40 20 0 -100 -50 -55 0 50 100 150 200 25 250 300 275 350 RW1 RW1/2, RW1, RW3, RW5 300 RW7, RW10 250 800 RW2 200 Resistance () 80 60 Frequency Characteristics 1000 350 Temperature Rise (C) % Rated Power 100 150 100 600 RW1N 400 RW1 50 0 200 0 40 80 120 160 200 % Rated Power Ambient Temperature (C) 0 RW1N RW1 RW1N 1 10 100 1k 10k 100k 1M 10M 100M Frequency (Hz) Performance Characteristics Parameter Resistance T.C.R. Overload (Short time) Resistance to Solder Heat Requirement R (% + 0.05) Within regulated tolerance Within specified T.C.R. Test Method 25C U: +25C/-55C, +25C/+125C and +25C/+275C V: +25C/-55C, +25C/+125C and +25C/+350C 0.2: U Rated power x 5 or Max. overload voltage, whichever is lower for 5 seconds 2: V Rated power x 10 or Max. overload voltage, whichever is lower for 5 seconds 0.1 350C 10C, 3 seconds 0.5 seconds or 260C 5C, 10 seconds 1 second Moisture Resistance 0.2: U 2: V Power rating x 1/10, 40C, 90 - 95% RH, 1000 hours, 1.5 hr ON/0.5 hr OFF cycle Endurance @ 25C 0.5: U 3: V 25C, 2000 hours 1.5 hr ON/0.5 hr OFF cycle 0.2: U 275+5 -0 C, 250 hours 2: V 350+5 -0 C, 250 hours High Temperature Exposure Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 4/20/05 KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 127 resistors RW