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| Low-Cost General Purpose Conformal Coated Wirewound Resistor SPP Series * Coated or uncoated units * Positive high TC's upon request * Color band standard identification * Lower ranges available - contact factory * Weldable and solderable magnetic leads Alloy resistance wirewound on fiberglass core Mechanically crimped termination assembly EIA/MIL color code: first wide band indicates wirewound construction, blue indicator indicates flameproof Electrical Data IRC Type SPP-1 SPP-2 SPP-3 Resistance - Std. Tolerance - Std. 0.1 to 1200 5%, 10% 1 watt @ 85C 3/4 watt @ 105C 1/2 watt @ 125C Derating to 0 @ 160C 1 watt @ 85C 10% 0.1 to 2400 5%, 10% 2 watt @ 85C 1 watt @ 140C ----2 watt @ 85C 10% 0.1 to 2400 5%, 10% 3 watt @ 85C 2 watt @ 145C 1 watt @ 190C --3 watt @ 85C 10% Power Rating Load Life Stability Max. Continuous Working Voltage Min. Insulation Resistance Min. Dielectric Withstanding Volts Current Noise Temperature Rise at Rated Load, 25C Ambient Temperature Coefficient (RMS) Dry Wet PR 10,000 Meg 100 Meg 600V Negligible Approx. 150C 600/C 0.10 - 0.91 300/C 1 - 1200 PR 10,000 Meg 100 Meg 600V Negligible Approx. 200C 600/C 0.10 - 0.91 300/C 1 - 2400 PR 10,000 Meg 100 Meg 600V Negligible Approx. 225C 600/C 0.10 - 0.91 300/C 1 - 2400 Notes: Unless specified otherwise, standard test centers are 1 3/4 inches. General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC's own data and is considered accurate at time of going to print. Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com A subsidiary of TT electronics plc SPP Series Issue December 2008 Sheet 1 of 3 Low-Cost General Purpose Conformal Coated Wirewound Resistor Environmental Data Characteristics SPP-1 Temperature Coefficient (ppm/C) SPP-2 SPP-3 Thermal Shock Low Shock Short Time Overload Commercial Short Time Overload Resistance to Solder Immersion Solderability Moisture Resistance Life Test Test Method Maximum Limits 600/C 300/C 600/C 300/C 600/C 600/C 0.10 - 0.91 1.0 - 1200 0.10 - 0.91 1.0 - 2400 0.10 - 0.91 1.0 - 2400 5% 5% 5% 5% 3% 95% minimum coverage 5% 5% EIA Specification RS-344 Physical Data A max. C B 1.125 min. Dimensions (Inches and (mm)) IRC Type SPP-1 SPP-2 SPP-3 A 0.400 max. 0.570 max. 0.570 max B 0.148 max. 0.170 max. 0.170 max. C .002 0.032 0.032 0.032 Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com SPP Series Issue December 2008 Sheet 2 of 3 Low-Cost General Purpose Conformal Coated Wirewound Resistor Power Derating Curve 100 Percent Rated Power Temperature Rise (C) 80 60 40 20 0 0 50 100 150 200 250 300 300 Temperature Rise Curve SPP-3 SPP-3 200 SPP-1, 2 SPP-2 100 SPP-1 0 Ambient Temperature (C) 0 20 40 60 80 100 Percent Rated Power Ordering Data Sample Part No. IRC Type Power SPP 1 1001 J (See Electrical Data chart for other power ratings) Resistance Value Expressed in ohms (Standard EIA/MIL values) Tolerance J = 5%, K = 10% standard Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com SPP Series Issue December 2008 Sheet 3 of 3 |
Price & Availability of SPP11001J
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