RF73_V01 KOA | Alldatasheet

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Technical content

82 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/17/22 resistors RF73 fusing flat chip resistor

features

  • In normal condition, it works as a resistor and when excessive voltage is applied, it protects circuits by fusing quickly
  • The same shape as RK73 series
  • Suitable for both flow and reflow solderings
  • 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.
  • Recognized by safety standard UL1412. (0603 (1J) is not recognized) For further information on packaging, please refer to Appendix A.

ordering information

J: ±5%T: Sn (Other termination styles may be available, please contact factory for options) 2 significant figures + 1 multiplier “R” indicates decimal on value <10Ω 1J: 0603 2A: 0805 2B: 1206 2E: 1210 2H: 2010 3A: 2512 TD: 7" 4mm pitch punch paper (0603, 0805, 1206, 1210: 5,000 pieces/reel) TE: 7" 4mm pitch embossed plastic (0805, 1206, 1210, 2010, 2512: 4,000 pieces/reel) RF73 Type Size Code Nominal Resistance ToleranceTermination Material Packaging 2B TD 100 JT Protective Coating Inner Electrode Resistive Film Ceramic Substrate Solder Plating Ni Plating L cc W t d dimensions and construction Type L .012 +.008 -.004 (0.3 +0.2) -0.1 .016 +.008 -.004 (0.4 +0.2) -0.1 .02±.004 (0.5±0.1) .024±.004 (0.6±0.1) .016±.008 (0.4±0.2) .02±.012 (0.5±0.3) .063±.008 (1.6±0.2) .102±.008 (2.6±0.2) .098±.008 (2.5±0.2) .122±.008 (3.1±0.2) .126±.008 (3.2±0.2) .049±.004 (1.25±0.1) .079±.008 (2.0±0.2) .197±.008 (5.0±0.2) .248±.008 (6.3±0.2) (0805) (1206) (2010) (2512) (Inch Size Code) Wc d t Dimensions inches (mm) (1210) .031±.004 (0.8±0.1) .063±.008 (1.6±0.2) (0603) .012±.004 (0.3±0.1) .012±.004 (0.3±0.1) EU

@ 70°C T.C.R. (ppm/°C) Max. Resistance Range E-24 Resistance Tolerance applications and ratings RF732A RF732B RF732E RF732H RF733A +1000 ~ -500 (0.2Ω-4.3Ω) ±500 (4.7Ω-510Ω) 3.0W 0.2Ω-0.47Ω 3.75W 0.2Ω-0.47Ω 4.5W 0.2Ω-0.47Ω 5.5W 0.2Ω-0.47Ω 6.5W 0.2Ω-0.47Ω 2.6W 0.51Ω-1.0Ω 2.875W 0.51Ω-10Ω 4.1W 0.51Ω-4.7Ω 5.0W 0.51Ω-4.7Ω 6.0W 0.51Ω-4.7Ω 2.4W 1.1Ω-20Ω 2.5W 11Ω-24Ω 3.5W 5.1Ω-27Ω 4.0W 5.1Ω-27Ω 5.0W 5.1Ω-30Ω 2.1W 22Ω-100Ω 2.0W 27Ω-100Ω 3.2W 30Ω-100Ω 3.5W 30Ω-100Ω 4.5W 33Ω-100Ω 2.0W 110Ω-510Ω 1.75W 110Ω-510Ω 3.0W 110Ω-510Ω 3.2W 110Ω-510Ω 4.0W 110Ω-510Ω 0.1W 0.125W 0.25W 0.2Ω-510Ω J: ±5% 0.50W 1.0W -55°C to +125°C sec. max. Fusing Time Fusing Characteristics Fusing Power Resistance Range Performance Characteristics Derating Curve environmental applications One-Pulse Limiting Electric Power One-Pulse Limiting Electric Power (W) Pulse Duration (ms) 0.1 10 100 10.01 1J, 2A Example of Fusing Characteristics Fusing TIme (Sec.) 1J, 2A 2B Fusing Power (W) 620 34 78 RF731J –– 2.6W 1.0Ω 2.4W 1.1Ω-20Ω 2.1W 22Ω-100Ω ––0.063W +1000 ~ -500 (1.0Ω-3.3Ω) ±500 (3.6Ω-100Ω) 1Ω-100Ω Resistance 25°C Within specified tolerance T.C.R. +25°C/-55°C and +25°C/+125°CWithin specified T.C.R. Overload (Short Time) Rated voltage x 2 for 5 seconds (except 2E, 2H, 3A: x 1.5)±5.0% ±3.0% Resistance to Solder Heat 260°C ± 5°C for 10 seconds ± 1 second Moisture Resistance 40°C ± 2°C, 90 - 95% RH, 500 hours, 1.5 hr ON, 0.5 hr OFF cycle±5.0% Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle±5.0% Rapid Change of Temperature -55°C (30 minutes)/ +125°C (30 minutes) 5 cycles±0.5%: 2A~3A ±3.0%: 1J High Temperature Exposure +125°C, 100 hours±1.0% ±2.0% 0.5% ±2.0% ±1.0% ±0.3%: 2A~3A ±0.6%: 1J ±0.6% Parameter Requirement Δ R ±(% + 0.1Ω) Limit Typical Test Method 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. 83KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/07/23 resistors Rated ambient temperature: +70°C Please ask us about the resistance characteristic of continuous applied pulse. The pulse endurance values are not assured values, so be sure to check the products on actual equipment when you use them.