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46 K O A S peer E lectronics, Inc. • 199 Bolivar D rive • Bradford, PA 16701 • U SA • 814-362-5536 • Fax: 814-362-8883 • w w w.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/10/13 resistors R F 7 3 fusing flat chip resistor

features

  • Perform s like RK73 under norm al conditions
  • Fuses w hen overloaded
  • M arking: Black three-digit on b row n protective coating 1J: N o m arking
  • Products w ith lead-free term inations m eet E U RoHS requirem ents. E U RoHS regulation is not intended for Pb -glass contained in electrode, resistor elem ent and glass.
  • Recognized b y safety standard U L1412. (0603 (1J) is not recognized) For further inform ation on packaging, please refer to A ppendix A . ordering inform ation J: ±5% T: S n (O ther term ination styles m ay b e availab le, please contact factory for options) 2 significant figures + 1 m ultiplier “R” indicates decim al on value <10 Ω 1J: 0603 2A : 0805 2B: 1206 2E : 1210 2H: 2010 3A : 2512 TD : 7" paper tape (0603, 0805, 1206, 1210: 5,000 pieces/reel) TE : 7" em b ossed plastic (0805, 1206, 1210, 2010, 2512: 4,000 pieces/reel) RF73 Type Size Code Nominal Resistance Tolerance Termination Material Packaging New Part # 2B TD 100 JT Protective Coating Inner Electrode Resistive Film Ceramic Substrate Solder Plating Ni Plating L cc W t d dim ensions 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) .09 8±.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) .19 7±.008 (5.0±0.2) .248±.008 (6.3±0.2) (0805) (1206) (2010) (2512) (Inch Size Code) Wcdt Dimensions inches (m m ) (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 (0.2 Ω-4.3 Ω) ±500 (4.7 Ω-510 Ω) 3.0W 0.2 Ω-0.47 Ω 3.75W 0.2 Ω-0.47 Ω 4.5W 0.2 Ω-0.47 Ω 5.5W 0.2 Ω-0.47 Ω 6.5W 0.2 Ω-0.47 Ω 2.6W 0.51 Ω-1.0 Ω 2.875W 0.51 Ω-10 Ω 4.1W 0.51 Ω-4.7 Ω 5.0W 0.51 Ω-4.7 Ω 6.0W 0.51 Ω-4.7 Ω 2.4W 1.1 Ω-20 Ω 2.5W 11 Ω-24 Ω 3.5W 5.1 Ω-27 Ω 4.0W 5.1 Ω-27 Ω 5.0W 5.1 Ω-30 Ω 2.1W 22 Ω-100 Ω 2.0W 27 Ω-100 Ω 3.2W 30 Ω-100 Ω 3.5W 30 Ω-100 Ω 4.5W 33 Ω-100 Ω 2.0W 110 Ω-510 Ω 1.75W 110 Ω-510 Ω 3.0W 110 Ω-510 Ω 3.2W 110 Ω-510 Ω 4.0W 110 Ω-510 Ω 0.1W 0.125W 0.25W 0.2 Ω-510 Ω J: ±5% 50V 100V 0.50W 1.0W -55°C to +125°C sec. m ax. Fusing Time Fusing Characteristics Fusing Power Performance Characteristics Derating Curve environm ental applications % Rated Power 100 -60 -40 -20 0 4 06 08 01 001 40 Ambient Temperature (°C) -55 120 125 One-Pulse Limiting Electric Power One-Pulse Limiting Electric Power (W) .1 10 1J , 2A Pulse Duration (ms) 1001.01 Example of Fusing Characteristics Fusing TIme (Sec.) 1J, 2A 2B Fusing Power (W) 620 34 78 RF731J –– 2.6W 1.0 Ω 2.4W 1.1 Ω-20 Ω 2.1W 22 Ω-100 Ω –– 0.063W +1000 ~ -500 (1.0 Ω-3.3 Ω) ±500 (3.6 Ω-100 Ω) 1Ω-100 Ω Resistance 25°C W ithin specified tolerance T.C .R. +25°C /-55°C and +25°C /+125°C W ithin specified T.C .R. O verload (S hort Tim e) Rated voltage x 2 for 5 seconds (except 2E , 2H, 3A : x 1.5) ±5.0% ±3.0% Resistance to S older Heat 260°C ± 5°C for 10 seconds ± 1 second M oisture Resistance 40°C ± 2°C , 9 0 - 9 5% RH, 500 hours, 1.5 hr O N , 0.5 hr O FF cycle ±5.0% E ndurance at 70°C 70°C ± 2°C , 1000 hours, 1.5 hr O N , 0.5 hr O FF cycle ±5.0% Rapid C hange of Tem perature -55°C (30 m inutes)/ +125°C (30 m inutes) 5 cycles ±0.5%: 2A ~3A ±3.0%: 1J High Tem perature E xposure +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 ∆ R ±(% + 0.1Ω) Limit Typical Test Method For resistors operated at an am bient tem perature of 70°C or above, a pow er rating shall be derated in accordance w ith the above derating curve. 47 K O A S peer E lectronics, Inc. • 199 Bolivar D rive • Bradford, PA 16701 • U SA • 814-362-5536 • Fax: 814-362-8883 • w w w.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/27/14 resistors