{‘e9g¦q‡^÷ƒ]oËŞÛYÙP}šÛ£{k*{¤şîO~RøÒ[Ò“‚:çâì™PvIcУ˩/2\qjMµáJĞaĞ�iôÏWÖ?³Ù]ÎöäÙ´.7vÜnfÉ�_^m2ó:D¶Mæ5%j5jµ$}n†È¯eÔÁŸ´E©ìÜ…¿ÎͶî}˜ÅûÁÒëlìhôW°øÿÁ2nçšâPV�– ´Z�!X2Ö%V›)$\¨}å,Õ³È>1‹ì;ÌxE¯ cÚi ˜ušf?é´‚ä‡sĞnÓëqx^èê4J�E)AuøPI” Close. Thermistor, NTC, 5 kohm, NTCLE Series, 3984 K, -40 °C to 125 °C, Through Hole, Wire Leaded. thermistor’s change in resistance is non-linear.
endstream endobj 242 0 obj <>stream NTC Thermistor Probes
B values for common NTC materials range from 2000 through 5000 K. Figure 1 illustrates the de-pendence of the R/T characteristic on the B value.
236 0 obj <>stream The other differences between the Thermistor and RTD are explained below in the comparison chart.
endstream endobj 237 0 obj <>stream hŞ´“[KÃ0†ÿÊ÷̹íØ…8Ö]2F혬ËÈ"Ìï—5İ¢M���7‡'e@�s�³œÕvïÍŞ�e#çD;{¬~0ëm=8;«FKÏAss´o®1GÜßıÉO*_{ƒOÑ3GÎ)q_X¬ù endstream endobj 15 0 obj <> endobj 16 0 obj < It follows a pre-defined curve which is provided by the thermistor manufacturer. The manner in which the resistance decreases is related to a constant known in the electronics industry as beta, or ß. Thermistors are manufactured to follow a specific curve with a high degree of accuracy. hŞ24W0P°±ÑwÎ/Í+Q0Ò÷ÎL)�62
NTC Thermistors are non-linear resistors, which alter their resistance characteristics with temperature.
VISHAY Thermistor, NTC, 5 kohm, NTCLE Series, 3984 K, -40 °C to 125 °C, Through Hole, Wire Leaded + Check Stock & Lead Times. hŞ”ÏO‚0 ğ¯²{ÈÛf”�³¬$‹JÅór#²E®ƒß¾Y ¼¼ïß�GaDŠ™»LõW(!æÜm¡:”IÆfì©xs,`#ÛZjÁµí»-¢xá\!ѵJß!R[e;oùëf»‡„Â…)µrCÒí,? The B value for a particular NTC thermistor can be determined by measuring the resistance at T1 and T2 and inserting these resistance values into the appropriate equation (formula 4).
hŞ”ÑQkÂ0 à¿rïC®MÓš€F[-T\mË6ßjF ¤b³ÿıZ}‘!�ã�»ûH�„à‰À÷ç@Æ ƒ $@)Ј�CÈ"X,PÔƒLzm°Ê’ıGü¶ºªº›‰¾k÷%näĞHİÖÚL-lÜ{ÄX7}«ô7¦ÔF™Ûl‡ÅÏÙÜ.Ë1yXö•Vc“„€ßG¦2NK–Ëgô]›øğ@_y�»GmŞ6Û‰tûôÈÔÔ�j^ĞÔs¦©o£…¨>óÜş¿ÌwF±¡«ur\ÿ îGeÖ£�¾òìPÙQ:£ Beta is measured in °K. ”øı |0 ¹Ïóä %PDF-1.6 %âãÏÓ Difference Between RTD & Thermistor The Thermistor and the RTD both are the temperatures measuring device.The major difference between the RTD and the Thermistor is that the RTD is made of metal, whereas the semiconductor material is used for Thermistor. An example of a thermistor output curve can be seen in Figure 1. The resistance of NTC will decrease as the temperature increases. An example of a thermistor output curve can be seen in Figure 1. Thermometrics Type 95 of NTC Thermistors are epoxy-coated interchangeable NTC thermistor chips with bare tinned-copper, bare tinned-alloy or PTFE insulated lead wires. NTC Thermistor: The Steinhart and Hart equation is the best mathematical expression for resistance temperature relationship of NTC thermistors and NTC probe assemblies. hŞ”Òİkƒ0 ğåŞG9½ø(;]+Ò¹t–Ò½9 # qÌì¡ÿıâöRF Â=Ü×�ƒƒ (‚0$ ˆ8P,&ˆìK8D1ÄYë5n»Y>MÚ`%ÚcyyÈ¿T7Z,äÜK=tÚ,ÕXjW±Ôı4(ı�Õ µQæºÚãë÷»¹~Jlm°�NZÙ& Œ~G–4.K6›[ï-/êJüy«í4÷ĞĞå.ô$ÄNä7heºQõ÷èÌŸf.úeWܨıŞhêBŸ‹Rœ7Ê™7Ê£ÿè� ŸÎò6 It follows a pre-defined curve which is provided by the thermistor manufacturer. endstream endobj 238 0 obj <>stream