leaded resistors SPR power carbon film leaded resistor EU features Fixed metal film resistor available (specify SPRX) Flameproof silicone coating equivalent to (UL94V0) High reliability performance Suitable for automatic machine insertion Products with lead-free terminations meet EU RoHS and China RoHS requirements Surface mount style N forming is suitable for automatic mounting dimensions and construction Dimensions inches (mm) L l Type L C (max.) D d nominal l* Ceramic Body D SPR1/4 .13.012 .138 .067.012 .018 .787 Min. SPRX1/4 (3.30.3) (3.5) (1.70.3) (0.45) (20.0 Min.) d SPR1/2 .244.02 .280 .098.02 .024 SPRX1/2 (6.20.5) (7.1) (2.50.5) (0.6) SPR1 .354.039 .437 .138.02 .945 Min. SPRX1 (9.01.0) (11.1) (3.50.5) (24.0 Min.) SPR2 .472.039 .591 .165.031 Marking End Lead SPRX2 (12.01.0) (15.0) (4.20.8) Cap Wire .031 (0.8) SPR3 .610.039 .709 .236.039 1.18.118 Flame Retardant Coating SPRX3 (15.51.0) (18.0) (6.01.0) (30.03.0) C SPR5 .965.039 1.10 .354.039 1.50.118 SPRX5 (24.51.0) (28.0) (9.01.0) (38.03.0) * Lead length changes depending on taping and forming type. ordering information SPR 1/2 C T52 R 103 J Power Termination Nominal Type Taping and Forming Packaging Tolerance Rating Material Resistance SPR 1/4: 0.25W C: SnCu Axial: T26, T52, T521, T631 A: Ammo 2%, 5%: F: 1% 2 significant figures SPRX 1/2: 0.5W Stand-off Axial: L52, L521, L631 R: Reel G:2% + 1 multiplier 1: 1W Radial: VT, VTP, VTE, GT, VTF TEB: J: 5% R indicates decimal Embossed 2: 2W L, U, M, N Forming on value <10 plastic 3: 3W 1%: 3 significant (N forming) 5: 5W figures + 1 multiplier R indicates decimal on value <100 For further information on packaging, please refer to Appendix C. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/21/17 174 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com SPR power carbon film leaded resistor applications and ratings Minimum Absolute Absolute Resistance Range Power Part Dielectric T.C.R. Maximum Maximum Rating E-24* E-24* E-24 Designation Withstanding (ppm/C) Working Overload 70C (F1%, G2%) (G2%) (J5%) Voltage Voltage Voltage SPR1/4 0.25W 300V 2.2 - 10K 500V SPR1/2 0.5W 800V E = P x R 500V SPR1 1W 10 - 91K 10 - 91K 2.2 - 91K SPR2 2W 1000V 700V SPR3 500V 3W SPR5 5W 800V 10 - 100K 10 - 100K 2.2 - 110K 600V 1200V 350 SPRX1/4 0.25W 300V SPRX1/2 0.5W 500V SPRX1 1W 1.0 - 2.0 0.22 - 2.0 0.1 - 2.0 E = P x R E x 2.5 SPRX2 2W 700V SPRX3 3W SPRX5 5W 800V * Please consult when there is a demand of the resistance besides the 1% and 2% range. Rated Ambient Temperature: +70C Operating Temperature Range: -55C to +200C environmental applications Derating Curve Surface Temperature Rise Load Life 70C, 1000 Hr 100 250 +4 SPRX1 SPR1 200 80 5W (L35A) +2 3W (L25A) 60 150 2W (L20A) 0 40 100 1W (L15A) -2 0.5W (L10A) 20 50 0.25W (L5A) -4 0 0 -60 -40 -200420060 80 100 120140 160 180 200 220 240 025 50 75 100 0.1 12110 100 1k0k 100k -55 70 235 Ambient Temperature % Rated Power Resistance (C) ( ) For resistors operated at an ambient temperature of 70C or above, a power rating shall be derated in accordance with the above derating curve. Performance Characteristics Requirement R (% + 0.05) Parameter Limit Typical Test Method Within specified Resistance Measuring points are at 10mm 1mm from the end cap. tolerance Within specified T.C.R. +25C/+125C T.C.R. Overload (Short time) (1%+0.1) 0.5% Rated voltage x 2.5 or max. overload voltage for 5 seconds, whichever is lower Resistance to Solder Heat 1% 0.5% 260C 5C, 10 seconds 1 second No lead-coming off Terminal Strength Twist 360C, 5 times and loose terminals Rapid Change of Temperature 1% 0.5% -55C (30 minutes), +155C (30 minutes), 5 cycles (3%+0.1):1/4W-2W 1.5: 1/4W-2W Moisture Resistance 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle (5%+0.1):3W,5W 2.5: 3W, 5W (3%+0.1):1/4W-2W 1.5: 1/4W-2W Endurance at 70C 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle (5%+0.1):3W,5W 2.5: 3W, 5W No abnormality in Ultrasonic washing with isopropyl alcohol for 2 minutes. Resistance to Solvent appearance. Marking 3 Power: 0.3W/cm , f: 28kHz, Temp: 35C 5C shall be easily legible Flame test: the test flame shall be applied and removed for each 15 seconds respectively No evidence of to repeat the cycle 5 times. Overload flame retardant: power (AC) corresponding to 2, 4, 8, 16 and 32 times the power rating shall be applied for each 1 minute until disconnection Flame Retardant flaming or occurs. However the applied voltage shall not exceed the value of 4 times of the self-flaming maximum operating voltage Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/01/19 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com 175 % Rated Power Surface Temperature Rise (C) R/R (%) leaded resistors