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B57421V2102 Datasheet(PDF) 1 Page - EPCOS |
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B57421V2102 Datasheet(HTML) 1 Page - EPCOS |
1 / 4 page 53 05/02 Applications I Temperature measurement and compensation in – mobile phone applications (e.g. battery pack, TCXO, LCD) – data systems – automotive electronics Features I Multilayer SMD NTC with inner electrodes I Ni barrier termination (AgNiSn) I High accuracy: ± 5 % in resistance, B value tolerance down to ± 1,5 % available on request I Excellent long-term ageing stability in high-temperature and high-humidity environment I Superior resistance stability during soldering (change <1 %) Options Alternative resistance ratings, resistance tol. < 5 % and B value tol. < 3 % available on request Delivery mode Blister tape, 180-mm reel, PU: 3000 pcs (standard); 330-mm reel, PU: 12 000 pcs (on request) Climatic category (IEC 60068-1) Max. power at 25 °C (on PCB) P251) Resistance tolerance ∆RN/RN Rated temperature TN B value tolerance ∆B/B Dissipation factor (on PCB) δth1) Thermal cooling time constant (on PCB) τ c 1) Heat capacity Cth1) 55/125/56 210 ± 5 %, ± 10 % 25 ± 3 % approx. 3,5 approx. 10,0 approx. 35,0 mW °C mW/K s mJ/K R25 Ω No. of R/T characteristic B25/50 K B25/85 K B25/100 K Ordering code 47 8501 3470 3540 3550 B57411V2470+062 100 8501 3470 3540 3550 B57411V2101+062 150 8501 3470 3540 3550 B57411V2151+062 220 8501 3470 3540 3550 B57411V2221+062 330 8501 3470 3540 3550 B57411V2331+062 * Slimline version 0,9 max. * available upon request Dimensions in mm Approx. weight 13 mg Termination 1,25±0,15 TNT0421-1-E 1,3 max.*) 1) Depends on mounting situation B574** Temperature Measurement V4** SMD NTC Thermistors with Nickel Barrier Termination, Size 0805 |
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