Temperature Measurement B57861 Miniature Sensors S 861 Applications l Heating systems l Industrial electronics l Automotive electronics Features l Fast response l High measuring accuracy l Different tolerances available l Epoxy resin encapsulation l PTFE-insulated leads of silver plated nickel wire, AWG 30 Options Dimensions in mm Non-standard lead lengths Approx. weight 60 mg Climatic category (IEC 68-1) 55/155/56 Max. power at 25 C P 60 mW 25 Resistance tolerance D R/R 1%, 3%, 5% N Rated temperature T 25 C N B value tolerance D B/B 1 % Dissipation factor (in air) d approx. 1,5 mW/K th Thermal cooling time constant (in air) t approx. 15 s c Heat capacity C approx. 22,5 mJ/K th Type R No. of R/T B Ordering code 25 25/100 characteristic W K S 861/2 k/+ 40 2 k 1008 3560 B57861-S202-+40 S 861/3 k/+ 40 3 k 8016 3988 B57861-S302-+40 S 861/5 k/+ 40 5 k 8016 3988 B57861-S502-+40 S 861/10 k/+ 40 10 k 8016 3988 B57861-S103-+40 S 861/30 k/+ 40 30 k 8018 3964 B57861-S303-+40 S 861/50 k/+ 40 50 k 2901 3760 B57861-S503-+40 S 861/100 k/+ 40 100 k 2014 4540 B57861-S104-+40 +: F for D R/R = 1 % N H for D R/R = 3 % N J for D R/R = 5 % N Siemens Matsushita Components 55B57861 S 861 Reliability data Test Standard Test conditions D R /R Remarks 25 25 (typical) Storage at upper Storage in IEC category temperature < 1 %/ No visible 1) dry heat 60068-2-2 T: 155 C < 2 % damage t: 1000 h Temperature of air: 40 C Storage in damp IEC Relative humidity of air: 93 % < 1 % No visible heat, steady state 60068-2-3 Duration: 56 days damage Lower test temperature: 55 C Rapid temperature IEC Upper test temperature: 155 C < 0,5 % No visible cycling 60068-2-14 Number of cycles: 10 damage Long-term stability Temperature: + 70 C < 2 % No visible (empirical value) Duration: 10 000 h damage 1) For B57861-S302-+40 56 Siemens Matsushita Components