Temperature Measurement Leaded Disks B57164 K 164 Applications ● Temperature compensation ● Temperature measurement ● Temperature control Features ● ● ● ● ● ● Wide resistance range Cost-effective Lacquer-coated thermistor disk Tinned copper leads Marked with resistance and tolerance Available on tape (PU: 1500 pcs) *May be free of lacquer Dimensions in mm Approx. weight 0,4 g Climatic category (IEC 68-1) Max. power at 25 °C Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity Type R25 K 164/15/+ K 164/22/+ K 164/33/+ K 164/47/+ K 164/68/+ K 164/100/+ K 164/150/+ K 164/220/+ K 164/330/+ K 164/470/+ Ω 15 22 33 47 68 100 150 220 330 470 Siemens Matsushita Components P25 ∆R/RN TN ∆B/B δth τc Cth No. of R/T characteristic 1203 1203 1203 1302 1303 1305 1305 1305 1306 1306 55/125/21 450 ± 5 %, ± 10 % 25 ±3% approx. 7,5 approx. 20 approx. 150 mW °C mW/K s mJ/K B25/100 Ordering code K 2900 2900 2900 3000 3050 3200 3200 3200 3450 3450 B57164-K150-+ B57164-K220-+ B57164-K330-+ B57164-K470-+ B57164-K680-+ B57164-K101-+ B57164-K151-+ B57164-K221-+ B57164-K331-+ B57164-K471-+ 49 B57164 K 164 R25 Type No. of R/T characteristic Ω K 164/1 k/+ K 164/1,5 k/+ K 164/2,2 k/+ K 164/3,3 k/+ K 164/4,7 k/+ K 164/6,8 k/+ K 164/10 k/+ K 164/15 k/+ K 164/22 k/+ K 164/33 k/+ K 164/47 k/+ K 164/68 k/+ K 164/100 k/+ K 164/150 k/+ K 164/220 k/+ K 164/330 k/+ K 164/470 k/+ 1k 1,5 k 2,2 k 3,3 k 4,7 k 6,8 k 10 k 15 k 22 k 33 k 47 k 68 k 100 k 150 k 220 k 330 k 470 k 1011 1013 1013 4001 4001 2903 2904 1014 1012 1012 4003 2005 2005 2005 2007 2006 2006 B25/100 Ordering code K 3730 3900 3900 3950 3950 4200 4300 4250 4300 4300 4450 4600 4600 4600 4830 5000 5000 B57164-K102-+ B57164-K152-+ B57164-K222-+ B57164-K332-+ B57164-K472-+ B57164-K682-+ B57164-K103-+ B57164-K153-+ B57164-K223-+ B57164-K333-+ B57164-K473-+ B57164-K683-+ B57164-K104-+ B57164-K154-+ B57164-K224-+ B57164-K334-+ B57164-K474-+ +: J for ∆R/RN = ± 5 % K for ∆R/RN = ± 10 % Reliability data Test Storage in dry heat Storage in damp heat, steady state Rapid temperature cycling Endurance Long-term stability (empirical value) 50 Standard IEC 60068-2-2 Test conditions Storage at upper category temperature T: 125 °C t: 1000 h IEC Temperature of air: 40 °C 60068-2-3 Relative humidity of air: 93 % Duration: 21 days IEC Lower test temperature: – 55 °C 60068-2-14 Upper test temperature: 125 °C Number of cycles: 10 Pmax: 450 mW Duration: 1000 h Temperature: 125 °C Duration: 10 000 h ∆R25/R25 (typ.) Remarks No visible <3% damage <3% No visible damage <3% No visible damage <3% <5% No visible damage No visible damage Siemens Matsushita Components