Temperature Measurement B574** SMD NTC Thermistors with Nickel Barrier Termination, Size 0805 V4** Applications *) 1,250,15 1,3 max. Temperature measurement and compensation in mobile phone applications (e.g. battery pack, TCXO, LCD) data systems automotive electronics Features Multilayer SMD NTC with inner electrodes Ni barrier termination (AgNiSn) High accuracy: 5 % in resistance, Termination TNT0421-1-E B value tolerance down to 1,5 % available * Slimline version 0,9 max. on request * available upon request Excellent long-term ageing stability in high-temperature and high-humidity environment Dimensions in mm Superior resistance stability during soldering Approx. weight 13 mg (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: 12000 pcs (on request) Climatic category (IEC 60068-1) 55/125/56 1) Max. power at 25 C (on PCB) P 210 mW 25 Resistance tolerance R /R 5 %, 10 % N N Rated temperature T 25 C N B value tolerance B/B 3 % 1) Dissipation factor (on PCB) approx. 3,5 mW/K th 1) Thermal cooling time constant (on PCB) approx. 10,0 s c 1) Heat capacity C approx. 35,0 mJ/K th R No. of R/T B B B Ordering code 25 25/50 25/85 25/100 characteristic K K K 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 1) Depends on mounting situation 53 05/02 2,00,2 0,50,25Temperature Measurement B574** SMD NTC Thermistors with Nickel Barrier Termination, Size 0805 V4** R No. of R/T B B B Ordering code 25 25/50 25/85 25/100 characteristic K K K 470 8502 3940 3980 4000 B57421V2471+062 680 8502 3940 3980 4000 B57421V2681+062 1,0 k 8502 3940 3980 4000 B57421V2102+062 1,5 k 8502 3940 3980 4000 B57421V2152+062 10 k 8502 3940 3980 4000 B57421V2103+062 2,2 k 8503 4390 4470 4500 B57431V2222+062 3,3 k 8503 4390 4470 4500 B57431V2332+062 4,7 k 8503 4390 4470 4500 B57431V2472+062 6,8 k 8503 4390 4470 4500 B57431V2682+062 10 k 8503 4390 4470 4500 B57431V2103+062 15 k 8503 4390 4470 4500 B57431V2153+062 22 k 8503 4390 4470 4500 B57431V2223+062 33 k 8503 4390 4470 4500 B57431V2333+062 47 k 8503 4390 4470 4500 B57431V2473+062 68 k 8503 4390 4470 4500 B57431V2683+062 100 k 8503 4390 4470 4500 B57431V2104+062 +: J for R /R = 5 % N N Kfor R /R = 10 % N N 54 05/02