Data Sheets Temperature Measurement SMDs B57619 C 619 Applications 0,8±0,1 Temperature compensation Hybrid circuits Data systems Telecom systems Automotive electronics Crystal oscillators LC displays 0,3±0,2 TNT0290-D Termination Kontaktierung Features ● ● ● ● ● ● 0,9 max. 1,6±0,15 ● ● ● ● ● ● ● Small dimensions, EIA size 0603 Silver palladium terminations Cost-effective Suitable for automatic placement Suitable for wave and reflow soldering Available on tape (PU: 4000 pcs) Dimensions in mm Approx. weight 6 mg Options Alternative resistance ratings and resistance tolerance < 5% available on request Climatic category (IEC 68-1) Max. power at 25 °C (on PCB) Resistance tolerance Rated temperature B value tolerance Dissipation factor (on PCB) Thermal cooling time constant (on PCB) Heat capacity Type R25 C 619/10 k/+ C 619/22 k/+ C 619/47 k/+ Ω 10 k 22 k 47 k P25 ∆R/RN TN ∆B/B δth1) τc1) Cth1) No. of R/T characteristic 1010 1008 2001 55/125/21 180 ± 5 %, ± 10 %, ± 20 % 25 ±3% approx. 3 approx. 4 approx. 12 mW °C mW/K s mJ/K B25/100 Ordering code K 3530 3560 3920 B57619-C103-+60 B57619-C223-+60 B57619-C473-+60 +: J for ∆R/RN = ± 5 % K for ∆R/RN = ± 10 % M for ∆R/RN = ± 20 % 1) Depends on mounting situation Siemens Matsushita Components 39 B57619 C 619 Reliability data Tested on standardized PCB in accordance with IEC 60068-2-21 ∆R25/R25 (typical) Test Standard Storage in dry heat IEC 60068-2-2 Storage in damp heat, steady state IEC 60068-2-3 Storage at upper category temperature T: 125 °C t: 1000 h Temperature of air: 40 °C Relative humidity of air: 93 % Duration: 21 days Rapid temperature cycling IEC 60068-2-14 Lower test temperature: – 55 °C Upper test temperature: 125 °C < 3 % Number of cycles: 10 Pmax: 180 mW Duration: 1000 h Endurance Solderability Robustness of terminations Test conditions IEC 60068-2-58 <3% <3% No visible damage <5% Solderability: 215 °C/4 s 235 °C/2 s Resistance to soldering heat: 260 °C/10 s Bending of carrier (2 mm bending) Remarks <5% 95 % of terminations wetted <5% No visible damage Refer also to page 120 40 Siemens Matsushita Components