resistors RCR anti-surge power type leaded resistor EU features • Excellent anti-surge characteristics • Stable characteristics of moisture resistance up to high resistance range • RCR50 +(1MΩ - 12MΩ), RCR50EN (1MΩ - 12MΩ) and RCR60 (1MΩ - 12MΩ) are discharge resistors recognized by UL1676 and c-UL(CSA-C22.2 No.1-M94) • RCR25EN (100Ω~33MΩ), RCR50EN (100kΩ - 33MΩ) and RCR60 (470kΩ - 56MΩ) is approved by EN60065 14.1 safety • Marking: Blue-gray body color with color-coded bands • Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. • Surface mount style “N” forming is suitable for automatic mounting dimensions and construction D t Trimming Line Marking L t Ceramic Core Resistive Film End Cap Type l RCR16 RCR25 RCR25EN RCR50(+) RCR50EN d RCR60 Lead Wire RCR75 Flame Retardant Coating C * Lead length changes depending on taping and forming. ordering information New Part # RCR Type RCR 50 Power Rating 16: 0.25W 25: 0.25W 50: 0.5W 60: 1W 75: 2W 100: 3W EN Safety Appr. Marking RCR50+: + RCR25EN, RCR50EN: EN Blank: Others applications and ratings Part Designation Power Rating @ 70°C RCR25 NEW RCR25EN 0.25W RCR16 Minimum Dielectric Withstanding Voltage 300V RCR50 L C Termination Material C: SnCu Resistance Range E-24, E-96 (F±1%) 100kΩ - 5.1MΩ 100kΩ - 9.1MΩ 3.3Ω - 910kΩ .126±.008 (3.2±0.2) .134 (3.4) — .067 +.008 -.004 (1.7 +0.2 -0.1 ) .248±.02 (6.3±0.5) .28 (7.1) — .098±.02 (2.5±0.5) .024 (0.6) — .118 (3.0) .138±.016 (3.5±0.4) .028 (0.7) — .118 (3.0) .157±.02 (4.0±0.5) .031 (0.8) — .118 (3.0) .374±.039 (9.5±1.0) .374 +.039 -.004 .472±.039 (12±1.0) RCR100 .610±.039 (15.5±1.0) T52 Taping and Forming RCR16: T26, T52 RCR25, RCR25EN: T26, T52 RCR50(+, EN): T52 RCR60: T52 RCR75: T52 RCR100: T521, T631 L, M, N Forming 100kΩ - 33MΩ 2000V 2500V Tolerance F: ±1% J: ±5% Operating Temperature Range 1000V 3.3Ω - 910kΩ 13MΩ - 33MΩ 100kΩ - 33MΩ 100kΩ - 56MΩ 2.0W 100kΩ - 9.1MΩ 100kΩ - 100MΩ 100kΩ - 9.1MΩ 100kΩ - 33MΩ 1000V 500V J 2 significant figures + 1 multiplier for ±5% 3 significant figures + 1 multiplier for ±1% DC 2000V AC 1500V 100kΩ - 9.1MΩ 3.0W A: Ammo R: Reel TEB: Plastic embossed: N forming Nominal Resistance DC 1600V AC 1150V 100kΩ - 5.1MΩ 100kΩ - 9.1MΩ RCR100 .787 Min. (20.0 Min.) .031 (0.8) 105 Absolute Maximum Overload Voltage 1.0W RCR75 Packaging (6.0 +1.0 -0.4) Absolute Maximum Working Voltage RCR60 RCR50EN A .236 +.039 -.016 Resistance Range E-24 (J±5%) 0.5W 1MΩ - 9.1MΩ .018 (0.45) l* (9.5 +1.0 -0.2 ) RCR50+ 700V Dimensions inches (mm) D d (nom.) C (max.) t (max.) 1MΩ - 12MΩ -55°C to +155°C 4000V 5000V 5000V Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. For further information on packaging, please refer to Appendix C. 132 1/03/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com anti-surge power type leaded resistor Notice of Surge Load Derating Curve environmental applications Surge withstanding load voltage for the resistors cannot be guaranteed when the undermentioned 4 items get to a remarkable overload in comparison with the conditions shown by surge withstanding voltage in Anti-surge characteristics. Please contact KOA in advance if such a case is anticipated. 1. Peak voltage to be applied 2. Pulse width 3. Conditions of protecting insulation around the resistor 4. Situation of proximity conductivity object 10kV 100 % Rated Power 80 60 40 20 0 -60 -40 -20 -55 0 20 40 For example: In the figure, a metal wire is placed less than 5mm away from the resistor body, Discharge there is such a case that causes an electric discharge by a surge load 10kV and then destroys the outer coating. 60 80 100 120 140 160 70 155 Ambient Temperature (°C) For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with the above derating curve. Performance Characteristics Parameter Resistance Requirement ∆ R ±(% + 0.05Ω) Limit Within regulated tolerance About 5mm Metal Wire Typical Test Method — Measuring points are 10mm ± 1mm from the end cap T.C.R. Resistance Range Type ±200ppm/°C 100kΩ - 5.1MΩ RCR16 100kΩ - 33MΩ RCR25 (EN) ±350ppm/°C ±500ppm/°C 3.3Ω - 91kΩ RCR50 (+) ±350ppm/°C 100kΩ - 33MΩ RCR50EN ±350ppm/°C 100kΩ - 33MΩ RCR60 ±350ppm/°C 100kΩ - 56MΩ ±350ppm/°C 100kΩ - 100MΩ RCR75 RCR100 ±200ppm/°C 100KΩ - 33MΩ — Overload 1% 0.5% Rated voltage x 2.5 or maximum overload voltage for 5 seconds, whichever is less Resistance to Solder Heat 1% 0.5% 260°C ± 5°C, 10 seconds ± 1 second or 350°C ± 10°C, 3.5 seconds ± 0.5 seconds T.C.R. Terminal Strength Room temperature/100°C up No mechanical damage — Rapid Change of Temperature 1% 0.5% -55°C (30 minutes)/+155°C (30 minutes), 5 cycles Moisture Resistance 5% 2.5% 40°C ± 2°C, 90-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle RCR16, 25, 50 (+), 60: W; RCR75, 100: Wx0.1 Endurance @ 70°C 5% 2.5% 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle No visible damage to protective coating and marking — Isopropyl alcohol with ultrasonic washing, 2 minutes Power: 0.3W/cm 2, f: 28kHz, Temperature: 35°C ± 5°C Resistance to Solvent Twist 360°, 5 times Discharge test: 2kV - 10kV, 0.01µF capacitor discharge pulse, 10 times (1 pulse/5 seconds maximum) RCR25 Type RCR16 RCR25EN RCR50, RCR50+ Surge Withstanding 10% 2.5% Applied Voltage EN60065 Test (RCR50EN, RCR60 only) 20% — 2kV 3kV RCR50EN, RCR60, RCR75, RCR100 3.3Ω - 6.2Ω: 10kV 6.8Ω - 10Ω: 7kV 11Ω - 9.1kΩ: 5kV 10kΩ - 91kΩ: 7kV 100kΩ - 33MΩ: 10kV 10kV Discharge test: 10kV, 1000pF capacitor discharge pulse, 50 times (1 pulse/5 seconds maximum) Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/20/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 133 resistors RCR