B57350

Temperature Measurement Leadless Disks Applications I Automotive electronics, e.g. B57350 K 350 – measurement of cooling water and oil temperature Features I Thermistor disk with lapped, coplanar front surfaces I Front surfaces silver-plated I For clamp contacting Termination D = 3,5 ± 0,3 mm L = 1,3 ± 0,4 mm Approx. weight 75 mg Options Alternative resistance ratings, rated temperatures and resistance tolerances available on request Delivery mode Bulk Climatic category (IEC 60068-1) Max. power at 25 °C Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity P25 ∆R N/R N TN ∆B/B δth1) τc1) Cth1) 55/155/21 180 ±5% 100 ± 1,5 % approx. 2,5 approx. 18 approx. 45 mW °C mW/K s mJ/K R 100 R25 No. of R /T characteristic 1009 B25/100 K 3930 Ordering code Ω 70 Ω 990,2 B57350K0102J000 1) Depends on mounting situation 68 05/02 Temperature Measurement Leadless Disks Reliability data Test Storage in dry heat Storage in damp heat, steady state Rapid temperature cycling Endurance Long-term stability (empirical value) Standard IEC 60068-2-2 IEC 60068-2-3 Test conditions Storage at upper category temperature T: 155 °C t: 1000 h Temperature of air: 40 °C Relative humidity of air: 93 % Duration: 21 days B57350 K 350 ∆R 25/R25 (typ.) Remarks <3% No visible damage No visible damage No visible damage No visible damage No visible damage <3% IEC Lower test temperature: – 55 °C < 3 % 60068-2-14 ...