thermal protection LT linear positive miniature tempco thermistor EU features High stability and excellent linearity Miniature size Products with lead-free terminations meet EU RoHS requirements dimensions and construction Dimensions inches (mm) L l Type L (ref.) C (max.) D d (Nom.) l* Trimming Line Ceramic Core D +.2 .067 -.1 .126.008 .146 .018 d LT1/6 1.10.118 +0.008 (3.20.2) (3.7) (0.45) (1.7 ) -0.004 (28.03.0) .248.008 .280 .091.012 .024 LT1/4 (6.30.5) (7.1) (2.30.3) (0.6) * Lead length changes depending on taping and forming type Marking Resistive End Lead Film Cap Wire Insulation Coating C ordering information LT 1/6 C T26 A 102 J 3600 Power Termination Taping and Nominal T.C.R. Type Tolerance Packaging Rating Material Resistance (ppm/C) Forming 1/4 C: SnCu T26, T52 A: Ammo 2 significant J: 5% 1000 - 4,500 figures + 1 1/6 R: Reel multiplier R indicates decimal on value <10 applications and ratings Resistance Resistance Rated Operating T.C.R. T.C.R. Range Range Resistance Ambient Temperature (ppm/C)* Tolerance E-24 E-24 Tolerance Temperature Range (LT1/6S) (LT1/4S) 1000 1200 15% 100 - 20K 100 - 39K 1400 -40C 2000 100 - 9.1K 100 - 15K +70C to J: 5% 3600 100 - 5.1K 100 - 6.8K +125C 10% 3900 100 - 3.3K 100 - 6.2K 4200 100 - 750 100 - 1K 4500 100 - 240 100 - 510 * T.C.R. measuring temperature: +25C to +75C 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. 12/28/17 260 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com LT linear positive miniature tempco thermistor environmental applications Derating Curve Temperature Characteristics of Resistance -6 TCR (X10 /K) 100 50 4500 40 3600 80 30 2000 20 60 1000 10 40 0 -10 20 -20 0 -30 -40 -20 020 40 60 80 100 120 140 -75 -50 -250525075 100 125 70 125 Ambient Temperature Ambient Temperature (C) (C) Approximate Expression for Resistance-Temperature Characteristics (Values are not guaranteed but typical) T.C.R. C C C -6 0 2 1 2 RT=R25 (C0+C1T+C2T ) (x10 /K) -6 RT: Resistance value at TC 3600 0.9175 0.0032 4.0000 x 10 R25: Resistance value at 25C -6 3900 0.9099 0.0035 4.0064 x 10 T: Ambient temperature (C) -6 4200 0.9026 0.0038 3.9964 x 10 C0, C1, C2: Constants -6 4500 0.8948 0.0041 4.0064 x 10 Performance Characteristics Requirement R (% + 0.05) Parameter Limit Typical Test Method Within specified Resistance 25C tolerance Overload (Short time) 1% 0.75% Rated voltage x 2.5 for 5 seconds Resistance to Solder Heat 1% 0.75% 260C 5C, 10 seconds 1 second Rapid Change of Temperature 1% 0.75% -40C (30 minutes), +125C (30 minutes), 5 cycles Moisture Resistance 3% 2% 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Endurance at 70C 3% 2% 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/29/08 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com 261 % Rated Power Resistance Changing Rate (%) thermal protection