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184 K O A S peer E lectronics, Inc. • 199 Bolivar D rive • Bradford, P A 16701 • U SA • 814-362-5536 • Fax: 814-362-8883 • w w w.koaspeer.com Specifications given herein m ay be changed at any tim e w ithout prior notice. Please confirm technical specifications before you order and/or use. 12/19 /12 L T7 3 linear positive tem pco therm istor

features

  • A nti-lea ching nickel ba rrier term ina tions
  • Tw enty-five specifia ble tem pera ture cha ra cteristics
  • S M D thin film resistor w ith therm o-perceptivity
  • M a rking: Bla ck four-digit on bronze body color
  • Products w ith lea d-free term ina tions m eet E U RoHS a nd C hina RoHS requirem ents TD : 7" pa per ta ping (5,000 pieces/reel) TE : 7" em bossed pla stic (4,000 pieces/reel) ordering inform ation 2 significa nt figures + 1 m ultiplier 2A : 0805 2B: 1206 T: S n (O ther term ina tion styles a va ila ble, conta ct fa ctory for options) G : ±2% J: ±5% LT73 2B 1000 T Size Code Type R esistance V alue Tolerance T.C.R . Term ination M aterial Packaging N ew Part # TD 101 J For further inform a tion on pa cka ging, plea se refer to A ppendix A . dim ensions and construction Protective Coating L c W t d Inner Electrode Solder Plating Ni Plating Resistive Film Ceramic Substrate c Type L .079 ±.008 (2.0± 0.2) .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±.008 (0.5± 0.3) .063±.008 (1.6± 0.2) .049 ±.008 (1.25± 0.2) .126±.008 (3.2± 0.2) (0805) (1206) (Inch Size Code) Wc d t Dim ensions inches (m m ) EU thermal protection applications and ratings Pow er R ating Therm al Tim e Constant Therm al Dissipation Constant Part Designation 0.1W LT732A 0.125W LT322B 1.0s 1.5s 1.37m W /°C 1.47m W /°C O perating Tem perature R ange -40°C to +125°C R ated Am bient Tem perature +70°C M axim um W orking V oltage M axim um O verload V oltage 50V 75V 100V 150V Therm a l tim e consta nt a nd dissipa tion consta nt a re reference va lues, w hich a re va lues of elem ents a nd va ry w ith connecting or fixing m ethods.

linear positive tem pco therm istor applications and ratings R esistance Tolerance T.C.R . (x10 -6 /K) T.C.R . Tolerance 2k Ω - 24k Ω 1k Ω - 20k Ω 1k Ω - 13k Ω 510 Ω - 4.7k Ω 510 Ω - 4.7k Ω 510 Ω - 3.0k Ω 510 Ω - 3.0k Ω 100 Ω - 1k Ω 51 Ω - 510 Ω 2k Ω - 51k Ω G : ±2% 150, 250, 350, 450, 500 ±100x10 -6 /K ±150x10 -6 /K ±15% ±10% 600, 700, 800, 9 00 1000, 1200, 1400 1600, 1800 2000, 2200, 2400 2600, 2800, 3000 3300, 3600, 39 00 4200 4500 J: ±5% 1k Ω - 43k Ω 1k Ω - 27k Ω 1k Ω - 10k Ω 510 Ω - 9 .1k Ω 510 Ω - 6.2k Ω 510 Ω - 6.2k Ω 100 Ω - 2k Ω 51 Ω - 510 Ω R esistance R ange E-24 LT732B LT732A Perform ance Characteristics Derating Curve environm ental applications % Rated Power 100 -20 0 2 04 06 08 01 001 201 40 12570 Ambient Temperature (°C) 0-40 Exam ples of Tem perature Characteristics of R esistance -25 0 2 55 07 51 0 0 1 2 5 Ambient Temperature (°C) -30-50 4500ppm/°C -10 -20 3300ppm/°C 2400ppm/°C 1600ppm/°C Resistance Changing Rate (∆R) T.C .R. M ea suring Tem pera ture: +25°C ~ +75°C Approxim ate Expression for R esistance-Tem perature Characteristics C1 C2 3000 3300 3600 39 00 4200 4500 0.9 288 0.0028 1.9 9 83 x 10 -6 2.9 9 80 x 10 -6 4.0000 x 10 -6 4.0064 x 10 -6 3.9 9 64 x 10 -6 4.0064 x 10 -6 0.0041 0.9 232 0.9 175 0.9 09 9 0.9 026 0.89 48 T.C.R . (x10 -6 /K) 0.0030 0.0032 0.0035 0.0038 185 K O A S peer E lectronics, Inc. • 199 Bolivar D rive • Bradford, P A 16701 • U SA • 814-362-5536 • Fax: 814-362-8883 • w w w.koaspeer.com Specifications given herein m ay be changed at any tim e w ithout prior notice. Please confirm technical specifications before you order and/or use. 12/19 /12 Param eter R equirem ent ∆ R ±(% + 0.05 Ω) Lim it Typical Test M ethod Resista nce T.C .R. 25°C +25°C /+75°C W ithin specified tolera nce W ithin specified T.C .R. O verloa d (S hort tim e) Rated voltage x 2.5 or m axim um overload volum e for 5 seconds, w hichever is low er ±1.0% ±0.23% Resista nce to S older Hea t 260°C ± 5°C , 10 seconds ± 1 second ±1.0% ±0.1% Ra pid C ha nge of Tem pera ture -40°C (30 m inutes)/ +125°C (30 m inutes), 5 cycles ±1.0% ±0.1% M oisture Resista nce 40°C ± 2°C , 9 0 - 9 5% RH, 1000 hours, 1.5 hr O N , 0.5 hr O FF cycle ±3.0% ±0.54% E ndura nce a t 70°C 70°C ± 2°C , 1000 hours, 1.5 hr O N , 0.5 hr O FF cycle ±3.0% ±0.62% C onfirm ing resista nce drift is recom m ended since this product ha s a tendency to ha ve bigger resista nce cha nge tha n genera l fla t chip over 70°C . Plea se pa y a ttention not to be a pplied E S D , it m a y ca use of resista nce cha nge. Test Item s High Tem pera ture E xposure 125°C , 1000 hours ±0.6% Low Tem pera ture E xposure -40°C , 45 m inutes ±0.05% R eference Test M ethod E S D Hum a n m odel, 100 pF 1.5 k Ω500V Actual V alue (O ut of G uarantee) therm al protection 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. Ra ted volta ge = √Pow er Ra ting x Resista nce va lue or M a x. w orking volta ge, w hichever is low er.