B57871S0123H000

NTC thermistors for temperature measurement Leaded NTC thermistors, lead spacing 2.5 mm Series/Type: B57871S Date: January 2018 © EPCOS AG 2018. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. EPCOS AG is a TDK Group Company. Temperature measurement B57871S Leaded NTC thermistors, lead spacing 2.5 mm S871 Applications Temperature measurement Dimensional drawing Features High measuring accuracy Cost-effective Rugged design, epoxy encapsulation Tinned copper leads Lead spacing 2.5 mm Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack on request Dimensions in mm Approx. weight 120 mg General technical data Climatic category Max. power Resistance tolerance Rated temperature Dissipation factor Thermal cooling time constant Heat capacity (IEC 60068-1) (at 25 °C) (in air) (in air) P25 ∆RR/RR TR δth τc Cth 55/155/56 60 ±1, ±3, ±5 25 approx. 3.8 approx. 7.5 approx. 28.5 mW % °C mW/K s mJ/K Electrical specification and ordering codes R25 Ω 2.1 k 10 k 10 k 12 k 30 k No. of R/T characteristic 1038 8016 2908 2901 8018 B25/100 K 3560 ±1% 3988 ±1% 3460 ±1% 3760 ±1% 3964 ±1% + = Resistance tolerance F = ±1% H = ±3% J = ±5% Please read Cautions and warnings and Important notes at the end of this document. Page 2 of 27 Ordering code B57871S0212+001 B57871S0103+001 B57871S0103+002 B57871S0123+000 B57871S0303+000 Temperature measurement B57871S Leaded NTC thermistors, lead spacing 2.5 mm S871 Reliability data Test Standard Storage in dry heat IEC 60068-2-2 Storage in damp heat, steady state Rapid temperature cycling Endurance Long-term stability (empirical value) Test conditions Storage at upper category temperature T: 155 °C t: 1000 h IEC Temperature of air: 40 °C 60068-2-78 Relative humidity of air: 93% Duration: 56 days IEC Lower test temperature: 55 °C 60068-2-14 Upper test temperature: 155 °C Number of cycles: 100 Pmax: 60 mW t: 1000 h Temperature: 70 °C t: 10000 h Please read Cautions and warnings and Important notes at the end of this document. Page 3 of 27 ∆R25/R25 (typical) < 2% Remarks < 1% No visible damage < 2% No visible damage < 3% No visible damage No visible damage < 3% No visible damage Temperature measurement B57871S Leaded NTC thermistors, lead spacing 2.5 mm S871 Reliability data according to AEC-Q200, Rev. D Test Standard High temperature exposure (storage) Biased humidity MIL-STD-202, method 108 MIL-STD-202, method 103 Operational life Temperature cycling Terminal strength (leaded) Test conditions Storage at T = 125 °C t = 1000 h T = 85 °C Relative humidity of air 85% t = 1000 h Test voltage max. 0.3 V DC on NTC1) MIL-STD-202, T = 125 °C method 108 t = 1000 h Test voltage max. 0.3 V DC on NTC1) JESD 22, Lower test temperature: 55 °C method JA-104 Upper test temperature: 125 °C 1000 cycles Dwell time: max. 30 min at each temperature Transition time in air: max. 1 min MIL-STD-202, Test leaded device integrity method 211 Condition A: 2.27 N2) Mechanical shock MIL-STD-202, method 213, condition C Vibration MIL-STD-202, method 204 Acceleration: 40 g 2) Pulse duration: 6 ms Number of bumps: 3, each direction Acceleration: 5 g t = 20 min 12 cycles in each of 3 directions Frequency range: 10 ... 2000 Hz ∆R25/R25 (typical) < 2%