t, m , c www.vishay.com vishay dale revision: 24-sep-15 1 document number: 33003 for technical questions, contact: thermistor1@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ntc thermistors, radial leaded and coated features ? small size - conformally coated ? wide resistance range ? available in 7 different r-t curves ? available in point matche d tolerances down to 1 % and curve tracking precision down to 0.2 c ? material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 applications temperature measurement, sensing and control in industrial, consumer and telecom applications. for on-board sensing or for accura te remote sensing in metal probes or housings. description models t, m, and c are conformally coated, leaded thermistors. the coating is bake d-on phenolic for durability and long-term stability. models m and c have tinned solid copper leads. model t has solid nickel wires with teflon ? insulation. design-in support for complete curve computation, visit: www.vishay.com/thermistors/ curve-computation-list/ note (1) for information only, dissipation factor, response time, and ther mal time constant ar e wire type and prod uct size dependent. note ? most popular and available values, intermediate resistance values and tolerances available on request. quick reference data parameter value unit resistance value at 25 c 30 to 1m tolerance on r 25 -value (point matched) 1, 5, 10 % temperature accuracy (curve tracking) 0.2, 0.5, 1 c b 25/75 -value 3477 to 4842 k b 25/85 -value 3468 to 4875 k maximum dissipati on 50 to 100 mw dissipation factor (for information only) 2 to 3.5 mw/k thermal time constant (for information only) 6 to 14 s response time (oil) (for information only) 1.3 s operating temperature range at zero power (short term) -40 to +125 (150) c weight 0.075 to 0.15 g t, m, c product data and r 25 resistance range availability curve b 25/75 (k) b 25/85 (k) tcr 25 (%/k) t (k ) m (k ) c (k ) r 25 tol. availability 2 3477 3486 -3.84 0.03 to 3.3 1, 5, 10 9 3679 3694 -4.03 10 to 56 1, 5, 10 8 3925 3943 -4.30 20 to 220 1, 5, 10 1 3964 3974 -4.39 0.2 to 18 1, 5, 10 4 4247 4262 -4.67 10 to 100 1, 5, 10 7 4437 4461 -4.83 10 to 270 1, 5, 10 12 4842 4875 -5.23 47 to 1000 1, 5, 10 maximum dissipation at 25 c in mw 50 75 100 dissipation factor in mw/k (1) 2.0 2.5 3.0 response time in s (1) 1.3 1.2 1.4 thermal time constant in s (1) 14 10 6 standard resistance values at 25 c in 33 82 270 680 2.2k 5.6k 18k 50k 150k 500k 39 100 330 820 2.7k 6.8k 22k 56k 220k 560k 47 120 390 1k 3.3k 8.2k 27k 68k 270k 680k 50 150 470 1.2k 3.9k 10k 33k 82k 330k 820k 56 180 500 1.5k 4.7k 12k 39k 100k 390k 1m 68 220 560 1.8k 5.0k 15k 47k 120k 470k
t, m , c www.vishay.com vishay dale revision: 24-sep-15 2 document number: 33003 for technical questions, contact: thermistor1@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 note (1) see following pages for tolerance explanations and details. dimensions in inches (millimeters) note (1) additional wire gaug es (non-insulated) available as aw g24 (type e), awg26 (type b) and awg32 (type f). please contact vishay ( thermistor1@vishay.com ) for further details. note ? maximum body diameter is dependent on selected curve number and value, the lower resistance values have the largest diameter. for a specific part number within the given resistance ranges, please contact thermistor1@vishay.com for maximum diameter information. global part number and ordering information global part numbering: 01c2001fp for point matched thermistors curve nr global model resistance val point match tolerance packaging 01 02 04 07 08 09 12 t m c 2001 = 2k 1503 = 150k f = 1 % j = 5 % k = 10 % f = lead (pb)-free, bulk p = tin / lead, bulk global part numbering: 01c2001spc3 for curve tracking thermistors curve global model resistance val characteristics packaging curve track tolerance (1) 01 04 08 09 t m c 2001 = 2k sf = lead (pb)-free, bulk p = tin / lead, bulk a2 a3 a4 a5 a8 b2 b3 b4 b5 b8 c2 c3 c5 c8 product type wire gauge/diameter (1) type m awg 30: 0.0100 (0.254) type c awg 28: 0.0126 (0.320) type t insulated awg 30: 0.0100 (0.254) curve number r 25 min. ( ) max. diameter (inch (mm)) standard r 25 range ( ) max. diameter (inch (mm)) 2 30 0.342 (8.69) 330 to 3k 0.095 (2.41) to 0.136 (3.45) 9 10k 0.150 (3.81) 10k to 56k 0.095 (2.41) to 0.150 (3.81) 8 20k 0.131 (3.33) 27k to 220k 0.095 (2.41) to 0.125 (3.18) 1 200 0.315 (8.00) 1.8k to 18k 0.095 (2.41) to 0.136 (3.45) 4 10k 0.136 (3.45) 10k to 100k 0.095 (2.41) to 0.136 (3.45) 7 10k 0.177 (4.50) 27k to 270k 0.095 (2.41) to 0.136 (3.45) 12 47k 0.252 (6.40) 330k to 1m 0.095 (2.41) to 0.136 (3.45) tinned copper wire teflon insulated nickel wire d 0.25 (6.35) nom. 1.5 (36.1) min. clean lead length 3 0.25 (76.2 6.4) d type m, c type t 2001 p f 1c 0 2001 pc s 1c 0 3
t, m , c www.vishay.com vishay dale revision: 24-sep-15 3 document number: 33003 for technical questions, contact: thermistor1@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 tolerances available for type t, m, and c thermistors description of thermistor tolerances the many applications of thermistors have mandated the need for two basic tolerance scheme s for these products - curve tracking and point match thermistors. an example of the resistance tolerance at various temperatures fo r the two different tolerancing methods is descri bed in the following graph: fig. 1 curve tracking tolerance thermistors are calibrated at the high temperature of the curv e track range and then final tested at the low temperature of the curve track range. this ensures that the thermistor will meet the specified temperature accuracy at every temperature within the desired temperatu re range. several temperature ranges are availa ble and the accuracy of the thermistor may be 0.2 c, 0.5 c, and 1.0 c. the curve tracking temperature ranges and their code designat ors are shown in figure 1 and standard electrical specifications for curve tracking thermistors table. to specify, add the appropriate suffix from the following table to the part number. example: 01m1002sfb3 = curve 1, 10 k at +25 c, curve tracking to 0.5 c from 0 c to +70 c standard electrical specifications for curve tracking thermistors temperature range for specified accuracy 0 c to +70 c -20 c to +50 c 0 c to +100 c 25 c to +90 c 0 c to +50 c accuracy 1 c 0.5 c 0.2 c 1 c 0.5 c 0.2 c 1 c 0.5 c 0.2 c 1 c 0.5 c 0.2 c 1 c 0.5 c 0.2 c part no. suffix - a3 - b3 - c3 - a2 - b2 - c2 - a4 - b4 - c4 - a5 - b5 - c5 - a8 - b8 - c8 curve number 01xx xxx xxxn/axx xxx x 04xx xxx xxxn/axx xxx x 08xx xxx xxxn/axx xxx x 09xx xxx xxxn/axx xxx x tolerance ( %) temperature (c) 5 % point match curve 1 c curve track curve 25 c 10 9 8 7 6 5 4 3 2 1 0 - 50 - 40 - 30 - 20 - 10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 a5 a4 a2 a8 a3
t, m , c www.vishay.com vishay dale revision: 24-sep-15 4 document number: 33003 for technical questions, contact: thermistor1@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 point match tolerance the standard leaded thermistors ar e calibrated and tested at 25 c to a tolerance of 5 % or 10 %; however, tighter toleranc e, point matched thermistors are readily available as are sp ecial point match temperatures to fit your application. since these thermistors have only one controlled point of refe rence (the point matc h temperature), the re sistance at other temperatures is given by the specific curve resistance vs . temperature ratio. point match tolerances vs. temperature fig. 1 point match resistance tolera nces at tempe ratures other than 25 oc are not the same as at the calibration temperature. this difference is presented in figure 2. the tolerance at any given te mperature is the point match tolerance plus a manufacturing tolerance depending on the specific curve. design-in support a spreadsheet is available for the vishay thermistor part nu mbers that gives you the resist ance vs temperatu re data, the temperature coefficients and accuracy levels at any given temperature range and step. the steinhart & hart formula and coefficients a, b, and c are shown as well. this data can be obtained by visiting the vishay ntc curve computation page at: www.vishay.com/thermistors/ curve-computation-list/ or send your part number with requ ired temperature range and step to thermistor1@vishay.com . 25 c nominal r vs. t max. r vs. t min. r vs. t pivot point (calibration temperature) temperature resistance
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