leaded 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 +(1M - 12M), RCR50EN (1M - 12M) and RCR60 (1M - 12M) are discharge resistors recognized by UL1676 and c-UL(CSA-C22.2 No.1-M94) RCR25EN (100k~33M), RCR50EN (100k - 33M) and RCR60 (100k - 56M) is approved by EN6234-68-1 G.10 safety 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 Dimensions inches (mm) Type L C (max.) t (max.) D d (nom.) l* and construction +.008 .067 -.004 .126.008 .134 .018 L l RCR16 +0.2 (3.20.2) (3.4) (0.45) (1.7 ) t Trimming Line Ceramic Core t -0.1 RCR25 .248.02 .28 .098.02 .024 d D RCR25EN (6.30.5) (7.1) (2.50.5) (0.6) RCR50(+) .374.039 RCR50EN (9.51.0) .118 .138.016 .028 .787 Min. +.039 .374 (3.0) (3.50.4) (0.7) (20.0 Min.) -.004 Marking Resistive End Lead RCR60 +1.0 Film Cap Wire (9.5 ) -0.2 Flame Retardant Coating .472.039 .118 .157.02 .031 RCR75 C (121.0) (3.0) (4.00.5) (0.8) +.039 * Lead length changes depending on taping and forming236 .610.039 .118 -.016 .031 RCR100 +1.0 (15.51.0) (3.0) (0.8) (6.0 ) -0.4 ordering information RCR 50 EN C T52 A 105 J Power Safety Appr. Termination Nominal Type Taping and Forming Packaging Tolerance Rating Marking Material Resistance 16: 0.25W RCR16: T26, T52 2 significant RCR RCR50+: + C: SnCu A: Ammo F: 1% figures + 1 25: 0.25W RCR25, RCR25EN: T26, RCR25EN, R: Reel J: 5% multiplier for 5% T52 50: 0.5W RCR50EN: EN TEB: Plastic 3 significant RCR50(+, EN): T52 60: 1W Blank: Others embossed: figures + 1 75: 2W RCR60: T52 N forming multiplier for 1% 100: 3W RCR75: T52 RCR100: T521, T631 L, M, N Forming applications and ratings Minimum Resistance Resistance Absolute Absolute Power Operating Part Dielectric Range Range Maximum Maximum Rating Temperature Designation Withstanding E-24, E-96 E-24 Working Overload 70C Range Voltage (F1%) (J5%) Voltage Voltage RCR16 300V 100k - 5.1M 100k - 5.1M 500V 1000V 0.25W RCR25 DC 1600V DC 2000V 100k - 9.1M 100k - 33M RCR25EN AC 1150V AC 1500V 3.3 - 910k RCR50 3.3 - 910k 13M - 33M 700V 0.5W 2000V 2500V -55C to +155C RCR50+ 1M - 9.1M 1M - 12M RCR50EN 100k - 9.1M 100k - 33M RCR60 1.0W 100k - 9.1M 100k - 56M 4000V RCR75 2.0W 100k - 9.1M 100k - 100M 5000V 5000V RCR100 3.0W 1000V 100k - 9.1M 100k - 51M 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. 10/29/18 172 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com RCR anti-surge power type leaded resistor environmental applications Derating Curve Notice of Surge Load Surge withstanding load voltage for the resistors cannot be guaranteed when the 100 undermentioned 4 items get to a remarkable overload in comparison with the conditions shown by surge withstanding voltage in Anti-surge characteristics. 80 Please contact KOA in advance if such a case is anticipated. 10kV 60 1. Peak voltage to be applied 2. Pulse width 40 3. Conditions of protecting insulation around the resistor Discharge About 5mm 4. Situation of proximity conductivity object 20 Metal Wire For example: In the figure, a metal wire is placed 0 less than 5mm away from the resistor body, there is such a case that causes an -60 -40 -200420060 80 100 120 140 160 -55 70 155 electric discharge by a surge load 10kV and then destroys the outer coating. Ambient Temperature (C) Approvals Awarded For resistors operated at an ambient temperature UL1676 & c-UL EN60065 14.1 EN62368-1 of 70C or above, a power rating shall be derated (CSA-C22.2 No.1-M94) G.10 Type Test a Test b in accordance with the above derating curve. RCR25EN m m RCR50+ m(1M~12M) RCR50EN m m m RCR60 m m m Performance Characteristics Requirement R (% + 0.05 ) Parameter Limit Typical Test Method Resistance Within regulated tolerance Measuring points are 10mm 1mm from the end cap Type T.C.R. Resistance Range RCR16 200ppm/C 100k - 5.1M RCR25 (EN) 350ppm/C 100k - 33M 500ppm/C 3.3 - 91k RCR50 (+) T.C.R. 350ppm/C 100k - 33M +25C/+125C RCR50EN 350ppm/C 100k - 33M RCR60 350ppm/C 100k - 56M RCR75 350ppm/C 100k - 100M RCR100 200ppm/C 100K - 51M Rated voltage x 2.5 or maximum overload voltage Overload 1% 0.5% for 5 seconds, whichever is less 260C 5C, 10 seconds 1 second or 350C 10C, Resistance to Solder Heat 1% 0.5% 3.5 seconds 0.5 seconds Terminal Strength No mechanical damage Twist 360, 5 times Rapid Change of Temperature 1% 0.5% -55C (30 minutes)/+155C (30 minutes), 5 cycles 40C 2C, 90-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Moisture Resistance 5% 2.5% RCR16, 25, 50 (+), 60: W RCR75, 100: Wx0.1 Endurance 70C 5% 2.5% 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle No visible damage to protective coating Isopropyl alcohol with ultrasonic washing, 2 minutes Resistance to Solvent 2 and marking Power: 0.3W/cm , f: 28kHz, Temperature: 35C 5C Discharge test: 2kV - 10kV, 0.01F capacitor discharge pulse, 10 times (1 pulse/5 seconds maximum) RCR50EN, RCR25 RCR60, RCR75, Type RCR16 RCR50, RCR50+ RCR25EN RCR100 3.3 - 6.2: 10kV Surge Withstanding 10% 2.5% 6.8 - 10: 7kV Applied 2kV 3kV 11 - 9.1k: 5kV 10kV Voltage 10k - 91k: 7kV 100k - 33M: 10kV EN60065 Test Discharge test: 10kV, 1000pF capacitor discharge pulse, 20% (RCR50EN, RCR60 only) 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. 10/29/18 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com 173 % Rated Power leaded resistors