resistors TPR anti-surge fusing resistor EU features • • • • Quickly fuses to the overload Circuit is completely isolated after fusing Lightning surge test (IEC61000-4-5) effective Can be used in high temperature environment dimensions and construction Type W TPR1 Resistor H Cover Dimensions inches (mm) D H .354±.004 .197±.004 .394±.004 (9.0±0.1) (5.0±0.1) (10.0±0.1) P .197±.02 (5.0±0.5) Base L W Terminal wire ø0.4 ø0.6 P ordering information New Part # TPR 1 Type Power Rating 1: 1W Terminal Surface Material C: Sn-Cu applications and ratings Part Designation TPR1 Power Rating Resistance Range J: ±5% E24 1W 2Ω ~ 10kΩ C T.C.R. (x 10-6/K) ~51Ω: 200 56Ω~: 350 T A Taping Packaging T: Taping Blank: Bulk A: AMMO Blank: Bulk 100 Nominal Resistance J: 3 digits Terminal Maximum Operating Lightning Temperature Temperature Open-Circuit Surge Test* Under Rated Voltage Range Load +125°C and less -40°C ~ +150°C 320V a.c. 1.5kV J Resistance Tolerance J: ±5% Maximum Working Voltage Maximum Overload Voltage E=√(PxR) E=√(PxRx2) * Lightning surge test at 10Ω Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 178 11/30/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com anti-surge fusing resistor Derating Curve Fusing Characteristics 100 100 80 60 Fusing Time (s) Percent Rated Power (%) environmental applications 40 20 0 -40 -20 0 20 40 60 100 120 140 160 125 150 Terminal Temperature (°C) Max. 10 Min. 80 1 For resistors operated at a terminal temperature of 125°C or above, a power rating shall be derated in accordance with the above derating curve. 2 3 4 5 6 7 Load Power (W) 8 9 10 Life Estimation Curve 200,000 Life Estimation Time (h) 180,000 160,000 140,000 120,000 100,000 80,000 60,000 40,000 20,000 0 60 70 80 90 100 110 120 130 Terminal Temperature (°C) 140 150 Performance Characteristics Parameter Resistance T.C.R. Fusing Characteristics Requirement Limit Typical Within specified — tolerance Within specified — T.C.R. Test Method 25°C +25°C/-40°C and +25°C/+125°C Within 6 seconds — Rated power x 10 Rapid Change of Temperature ±(5%+0.05Ω) 2% -40°C/0.5 hr, +125°C/0.5 hr, 1000 cycles Overload (Short Time) ±(5%+0.05Ω) 2% Rated power x 2 for 5 seconds Resistance to Soldering Heat ±(1%+0.05Ω) 0.3% Endurance at 125°C and Less of Terminal Temperature ±(5%+0.05Ω) 3% 260°C ± 5°C, 10 ± 1 second Terminal temperature: 125°C, 1.5 hr ON, 0.5 hr OFF cycle, 1000 hours 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 179 resistors TPR