NTC Thermistors, Radial Leaded, Standard Precision

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1 NTC Thermistors, Radial Leaded, Standard Precision FEATURES Accuracy over a wide temperature range High stability over a long life Excellent price/performance ratio UL recognized, file E Material categorization: For definitions of compliance please see QUICK REFERENCE DATA PARAMETER VALUE UNIT Resistance value at 5 C. to 47K Tolerance on R 5 -value ± ; ± ; ± 5 % B 5/85 -value 88 to 457 K Tolerance on B 5/85 -value ±.5 to ± % Operating temperature range: At zero power dissipation; continuously - 4 to + 15 C At zero power dissipation; for short periods 15 Response time (in oil) 1. s Thermal time constant (for information only) 15 s Dissipation factor (for information only) (for R 5 -value 68 ) mw/k Maximum power dissipation at 55 C 5 mw Climatic category (LCT/UCT/days) 4/15/56 - Weight. g APPLICATIONS Temperature measurement, sensing and control, temperature compensation in industrial and consumer electronics DESCRIPTION These thermistors have a negative temperature coefficient. The device consists of a chip with two solid copper tin plated leads. It is grey lacquered and color coded, but not insulated. PACKAGING The thermistors are packed in bulk or tape on reel; see code numbers and relevant packaging quantities. DESIGN-IN SUPPORT For complete Curve Computation, visit: MARKING The thermistors are marked with colored bands; see dimensions drawing and Electrical data and ordering information. MOUNTING By soldering in any position. Not intended for potted applications. ELECTRICAL DATA AND ORDERING INFORMATION R 5 B 5/85 -VALUE UL APPROVED SAP MATERIAL NUMBER OLD 1NC CODE COLOR CODE () (K) (± %) (Y/N)...B/T1/T () /4/6... (1) I II III. 88 N 8*B *8 Orange Orange Gold N 478*B *478 Yellow Violet Gold N 688*B *688 Blue Grey Gold 1 99 N 19*B *19 Brown Black Black N 159*B *159 Brown Green Black 16 N 9*B *9 Red Red Black 9 Y 9*B *9 Orange Orange Black 47 9 Y 479*B *479 Yellow Violet Black 68 9 Y 689*B *689 Blue Grey Black Y 11*B *11 Brown Black Brown Y 151*B *151 Brown Green Brown Y 1*B *1 Red Red Brown Y 1*B *1 Orange Orange Brown Revision: 4-Aug-1 1 Document Number: 949

2 ELECTRICAL DATA AND ORDERING INFORMATION R 5 B 5/85 -VALUE UL APPROVED SAP MATERIAL NUMBER OLD 1NC CODE COLOR CODE () (K) (± %) (Y/N)...B/T1/T () /4/6... (1) I II III Y 471*B *471 Yellow Violet Brown Y 681*B *681 Blue Grey Brown Y 1*B *1 Brown Black Red Y 15*B *15 Brown Green Red 58.5 Y *B * Red Black Red Y *B * Red Red Red Y 7*B *7 Red violet Red Y *B * Orange Orange Red Y 47*B *47 Yellow Violet Red Y 5*B *5 Green Black Red Y 68*B *68 Blue Grey Red Y 1*B *1 Brown Black Orange 1 74 Y 1*B *1 Brown Red Orange Y 15*B *15 Brown Green Orange 74 Y *B * Red Red Orange Y *B * Orange Orange Orange Y 47*B *47 Yellow Violet Orange Y 5*B *5 Green Black Orange Y 68*B *68 Blue Grey Orange Y 14*B *14 Brown Black Yellow Y 154*B *154 Brown Green Yellow 47.5 Y 4*B *4 Red Red Yellow N 4*B *4 Orange Orange Yellow N 474*B *474 Yellow Violet Yellow Notes (1) Replace * in 1NC by for 5 %, 6 for %, 4 for % () Replace * in SAP by J for 5 %, H for %, G for % () For R 5 ± % band IV is red, ± % band IV is orange, ± 5 % band IV is gold DIMENSIONS in millimeters B IV III II I H T DERATING AND TEMPERATURE TOLERANCES P Power derating curve 1 H 1 L P d T amb Note Zero power is considered as measuring power max. 1 % of max. power. PHYSICAL DIMENSIONS FOR RELEVANT TYPE (all dimensions in millimeters) H 1 R 5 -VALUE B MAX. d MIN. MAX. H MAX. L P T MAX.. to 5..6 ± ± to 47 k. ±.5.6 ± ± Revision: 4-Aug-1 Document Number: 949

3 TEMPERATURE DEVIATION AS A FUNCTION OF THE AMBIENT TEMPERATURE TEMPERATURE DEVIATION AS A FUNCTION OF THE AMBIENT TEMPERATURE. ΔT (K).5. 1 Curves valid for. kω to 1 kω Curve 1: ΔR 5/R 5 = 5 % Curve : ΔR 5/R 5 = % Curve : ΔR 5/R 5 = % Curve 4: ΔR 5/R 5 = 1 % (for NTCLEE series only) ΔT (K) Curves valid for 1 kω to kω Curve 1: ΔR 5/R 5 = 5 % Curve : ΔR 5/R 5 = % Curve : ΔR 5/R 5 = % T T TEMPERATURE DEVIATION AS A FUNCTION OF THE AMBIENT TEMPERATURE TEMPERATURE DEVIATION AS A FUNCTION OF THE AMBIENT TEMPERATURE 4. ΔT (K) Curves valid for kω to 47 kω Curve 1: ΔR 5/R 5 = 5 % Curve : ΔR 5/R 5 = % Curve : ΔR 5/R 5 = % Curve 4: ΔR 5/R 5 = 1 % (for NTCLEE series only) 4. ΔT (K) Curves valid for 68 kω to 1 kω Curve 1: ΔR 5/R 5 = 5 % Curve : ΔR 5/R 5 = % Curve : ΔR 5/R 5 = % Curve 4: ΔR 5/R 5 = 1 % (for NTCLEE series only) T T TEMPERATURE DEVIATION AS A FUNCTION OF THE AMBIENT TEMPERATURE TEMPERATURE DEVIATION AS A FUNCTION OF THE AMBIENT TEMPERATURE ΔT (K) Curves valid for 15 kω to kω Curve 1: ΔR 5/R 5 = 5 % Curve : ΔR 5/R 5 = % Curve : ΔR 5/R 5 = % 4. ΔT (K) Curves valid for kω to 47 kω Curve 1: ΔR 5/R 5 = 5 % Curve : ΔR 5/R 5 = % Curve : ΔR 5/R 5 = % T T Revision: 4-Aug-1 Document Number: 949

4 VALUE AND TOLERANCE These thermistors have a narrow tolerance on the B-value, the result of which provides a very small tolerance on the nominal resistance value over a wide temperature range. For this reason the usual graphs of R = f(t) are replaced by Resistance Values at Intermediate Temperatures Tables, together with a formula to calculate the characteristics with a high precision. FORMULAE TO DETERMINE NOMINAL RESISTANCE VALUES The resistance values at intermediate temperatures, or the operating temperature values, can be calculated using the following interpolation laws (extended Steinhart and Hart ): R T R ref e A + B T + C T + = (1) = R A 1 + B 1 ln C 1 ln R + D 1 ln R 1 () T R R ref R ref D T R ref where: A, B, C, D, A 1, B 1, C 1 and D 1 are constant values depending on the material concerned; see table below. R ref. is the resistance value at a reference temperature (in this event 5 C, R ref. = R 5 ). T is the temperature in K. Formulae numbered and are interchangeable with an error of max..5 C in the range 5 C to 15 C and max..15 C in the range - 4 C to + 5 C. DETERMINATION OF THE RESISTANCE/TEMPERATURE DEVIATION FROM NOMINAL VALUE The total resistance deviation is obtained by combining the R 5 -tolerance and the resistance deviation due to B-tolerance. When: X = R 5 -tolerance Y = resistance deviation due to B-tolerance Z = complete resistance deviation, then: Z X Y = % or Z X + Y 1 1 When: = temperature coefficient T = temperature deviation, then: Z T = The temperature tolerances are plotted in the graphs on the previous page. Example: at C, assume X = 5 %, Y =.89 % and = 5.8 %/K (see table ), then: 5 Z = % = % = %( 5.9 %) Z 5.9 T = = = C 1.17 C 5.8 A NTC with a R 5 -value of 1 k has a value of.56 k between C and C. PARAMETER FOR DETERMINING NOMINAL RESISTANCE VALUES NUMBER B 5/85 (K) NAME TOL. B A B (K) C (K ) 1 88 Mat O. with Bn = 88K E E-.495E E E-7 99 Mat P. with Bn = 99K E E E E E-7 41 Mat Q. with Bn = 41K E E-.499E E E Mat R. with Bn = 16K E E-.488E E E Mat S. with Bn = 9K E E-.9941E-4.151E E (1) Mat I. with E E-.9967E E E () Bn = 58K E E-.998E E E Mat H. with Bn = 56K E E E E E Mat B. with Bn = 74K E E-.744E E E Mat A. with Bn =977K E E E-4.611E E Mat C. with Bn = 49K E E E E E Mat D. with Bn = 419K E E-.468E E E Mat E. with Bn = 47K E E-.677E E E Mat F. with Bn = 457K E E-.6497E E E-7 Notes (1) Temperature < 5 C () Temperature 5 C D (K ) A 1 B 1 (K -1 ) C 1 (K - ) D 1 (K - ) Revision: 4-Aug-1 4 Document Number: 949

5 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (., 4.7, 6.8) 8*** 478*** 688*** R/R DUE TO B tol Revision: 4-Aug-1 5 Document Number: 949

6 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (1, 15, ) 19*** R/R DUE TO B tol. 159*** R/R DUE TO B tol. 9*** R/R DUE TO B tol Revision: 4-Aug-1 6 Document Number: 949

7 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (, 47, 68) 9*** 479*** 689*** R/R DUE TO B tol Revision: 4-Aug-1 7 Document Number: 949

8 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (1, 15,,, 47, 68) 11*** 151*** 1*** 1*** 471*** 681*** R/R DUE TO B tol. Revision: 4-Aug-1 8 Document Number: 949

9 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (1, 1.5, ) k 1*** 15*** *** R/R DUE TO B tol Revision: 4-Aug-1 9 Document Number: 949

10 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (.,.7,., 4.7, 5., 6.8, 1) k *** 7*** *** 47*** 5*** 68*** 1*** R/R DUE TO B tol. Revision: 4-Aug-1 1 Document Number: 949

11 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (1, 15, ) k 1*** 15*** *** R/R DUE TO B tol Revision: 4-Aug-1 11 Document Number: 949

12 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (, 47, 5, 68, 1) k *** 47*** R/R DUE TO B tol. 5*** 68*** 14*** R/R DUE TO B tol Revision: 4-Aug-1 1 Document Number: 949

13 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R 5 AT (15,,, 47) k 154*** 4*** R/R DUE TO B tol. 4*** 474*** R/R DUE TO B tol Revision: 4-Aug-1 1 Document Number: 949

14 PACKAGING TAPE SPECIFICATIONS Thermistors on tape D P P H T H H d L D H H 1 W W 1 A W W P P 1 F Direction of unreeling t Taped according to IEC 686- (cover tape may differ from shown) 1E pitch...t1 detail A DIMENSIONS in millimeters DETAILS SYMBOL DIMENSIONS NOMINAL TOLERANCE REMARKS Body diameter Lead diameter Feed hole diameter D d D ±.5 ±.6 ±. Lead to lead distance F.54 ±. Distance component to tape centre Component height Component alignment Distance top/bottom of components Length of lacquer under the comp. bottom H H 1 h H H.. 6 Length of snipped lead L 11. max. Pitch between thermistors Feed hole pitch Feed hole center to lead center Component alignment Total thickness Total tape thickness Tape width Hold down tape width Hole position Hold down tape position P P P 1 p T. t.9 W 18. W W 1 W max. for. to Guaranteed between component and tape ± 1. max. ±. max. ± 1 1 to 4 max. for. to ± 1. ±. ±.7 ± 1. max. max. ± ±. ±.5 ± 1. Cumulative pitch error ± 1 mm/ pitches guaranteed between component and tape 4 max. for. to with cardboard tape.5 ±.1 None of the hold down tapes may cover the holes Revision: 4-Aug-1 14 Document Number: 949

15 Thermistors on tape P T D Δp ΔH H 1 H D d H H L W 1 W W P P 1 F W t Taped according to IEC 686- (cover tape may differ from shown) E pitch...t DIMENSIONS in millimeters DETAILS SYMBOL DIMENSIONS NOMINAL TOLERANCE REMARKS Body diameter Lead diameter Feed hole diameter D d D ±.5 ±.6 ±. 5 max. for. to Lead to lead distance F 5. Distance component to tape centre Component height Component alignment Distance top/bottom of components Length of lacquer under the comp. bottom H H H 1 h H ±. ±.5 max. ±. Length of snipped lead L 11. max. Pitch between thermistors Feed hole pitch Feed hole center to lead center Component alignment Total thickness Total tape thickness Tape width Hold down tape width Hole position Hold down tape position P P P 1 p T. t.9 W 18. W W 1 W ± 1. ±. ±.7 ± 1. max. max. ± ±. ±.5 ± 1. Guaranteed between component and tape 1 max. for 1 to Not defined Cumulative pitch error ± 1 mm/ pitches guaranteed between component and tape 4 max. for. to with cardboard tape.5 ±.1 None of the hold down tapes may cover the holes Revision: 4-Aug-1 15 Document Number: 949

16 REEL SPECIFICATIONS Dimensions of the reel 18 CODE NUMBERS AND RELEVANT PARAMETER Quantity BULK...B 5 TAPE AND REEL 1E PITCH (1) TAPE AND REEL E PITCH (1)...T1...T 15 per reel, reels per box 15 per reel, reels per box CHARACTERISTICS OF TAPED PRODUCTS max. Minimum pull-out force of the component: 5 N Minimum peel-off force of adhesive tape: 6 N Minimum tearing force tape: 15 N Minimum pull-off force of tape-reel: 5 N.5 STORAGE CONDITIONS Storage temperature range: - 5 C to + 4 C Maximum relative humidity: 8 %, non-condensing 4 ±1 56 max. TESTS AND REQUIREMENTS Essentially all tests are carried out in accordance with IEC publication 6 68-; Environmental testing, except where indicated. STABILITY TESTS CECC 1 CLAUSE IEC 668- TEST METHOD Notes (1) For R 5 1 k the drift requirement is R/R < 5 % () For R 5 from. k to 1 k, requirement is ± % max. TEST PROCEDURE REQUIREMENTS D; 4..1 Endurance 5 C; 1 h R/R < 1 % 1 Endurance - 4 C; 1 h R/R < 1 % 59 Endurance 5 mw; 55 C; 1 h R/R < % (1) Dry heat, (steady state) 15 C; 1 h R/R < % D1; 4.19 Damp heat (steady state) 56 days at 4 C; 9 % to 95 % RH R/R < % C; Rapid change of temperature - 4 C to + 15 C; 5 cycles R/R < % Other applicable tests 1 58 Robustness of leads: Tensile strength Bending Soldering: Solderability Resistance to heat Loading force 1 N Loading force 5 N 4 C max.; duration 4 s max. 65 C max.; duration 5 s max. R/R 1 % R/R 1 % () 7 Impact Free fall; 1 m R/R 1 % 9 Shock 49 m/s; half sinewave R/R 1 % 45 Resistance to solvent (isopropanol) 6 Vibration Ambient temp for 5 minutes; 5 N with hydrophylic cotton wool 1.5 mm peak to peak: 1 Hz to 58 Hz 1 gp: 5 Hz to 5 Hz 1 octave/min. h in each direction in three orthogonal directions No traces of lacquer on cotton wool No visible damage R/R < 1 % Inflammability 198, needle flame test Non-flammable Revision: 4-Aug-1 16 Document Number: 949

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