DATA SHEET Surface mount NTC thermistors. BCcomponents

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1 DATA SHEET Surface mount N thermistors Supersedes data of 17th May 1999 File under BCcomponents, BC Mar 27

2 FEATURES High sensitivity High accuracy over a wide temperature range Taped on reel Suitable for wave or reflow soldering. APPLICATION Temperature compensation, sensing and protection in, for example: Battery chargers Consumer equipment Office equipment. QUICK REFERENCE DATA PARAMETER VALUE Resistance value at 25 C 100 Ω to 470 kω Tolerance on R 25 -value ±5%; ±10% Tolerance on B 25/85 -value see Table 2 Maximum dissipation at 25 C 210 mw Operating temperature range 55 to +150 C Climatic category 40/125/56 Mass g MECHANICAL DATA Outline DESCRIPTION Size 0805 chip thermistors with a negative temperature coefficient and silver palladium contacts (1). The device has no marking. (1) NiSn contacts are available on request. T L2 L4 L1 L3 MBB211 W PACKAGING For dimensions see Table 1. Packaged in punched type paper tape on reel of 4000 units. Fig.1 Component outline. Table 1 Component dimensions; see Fig.1 L 1 (mm) W (mm) MIN. (mm) T MAX. (mm) L 2 and L 3 (mm) L 4 MIN. (mm) 2.0 ± ± ± Mar 27 2

3 ELECTRICAL CHARACTERISTICS Unless otherwise stated, measurements are in accordance with IEC publication ; see also Table 2 PARAMETER Tolerance on R 25 ±5%; ±10% Tolerance on B 25/85 -value see Table 2 Climatic category 40/125/56 Maximum dissipation at 25 C 210 mw Thermal time constant τ 10 s Operating temperature range 55 to +150 C R/T values see Tables 13 to 24 VALUE Table 2 R 25 -values, B 25/85 -values and catalogue numbers; see Tables 4 to 24 R 25 B 25/85 -VALUE (K) TOLERANCE ON B 25/85 (%) CATALOGUE NUMBER ±5% TOL. ON R 25 ±10% TOL. ON R ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± Table 3 Solderability and resistance to soldering heat IEC TEST METHOD TEST PROCEDURE REQUIREMENTS 6 Tc solderability 3 s at 215 C; 2 s at 235 C R/R < 5% resistance to soldering heat 10 s at 260 C R/R < 5% 2001 Mar 27 3

4 Table 4 Resistance values at intermediate temperatures with R 25 at 100 Ω; see also Table Mar 27 4 CATALOGUE NUMBER

5 Table 5 Resistance values at intermediate temperatures with R 25 at 220 Ω; see also Table Mar 27 5 CATALOGUE NUMBER

6 Table 6 Resistance values at intermediate temperatures with R 25 at 330 Ω; see also Table Mar 27 6 CATALOGUE NUMBER

7 Table 7 Resistance values at intermediate temperatures with R 25 at 470 Ω; see also Table Mar 27 7 CATALOGUE NUMBER

8 Table 8 Resistance values at intermediate temperatures with R 25 at 680 Ω; see also Table Mar 27 8 CATALOGUE NUMBER

9 Table 9 Resistance values at intermediate temperatures with R 25 at 1000 Ω; see also Table Mar 27 9 CATALOGUE NUMBER

10 Table 10 Resistance values at intermediate temperatures with R 25 at 2000 Ω; see also Table Mar CATALOGUE NUMBER

11 Table 11 Resistance values at intermediate temperatures with R 25 at 2200 Ω; see also Table Mar CATALOGUE NUMBER

12 Table 12 Resistance values at intermediate temperatures with R 25 at 3300 Ω; see also Table Mar CATALOGUE NUMBER

13 Table 13 Resistance values at intermediate temperatures with R 25 at 4700 Ω; see also Table Mar CATALOGUE NUMBER

14 Table 14 Resistance values at intermediate temperatures with R 25 at 5000 Ω; see also Table Mar CATALOGUE NUMBER

15 Table 15 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER

16 Table 16 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER

17 Table 17 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER

18 Table 18 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER

19 Table 19 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER

20 Table 20 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER

21 Table 21 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER

22 Table 22 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER (kω)

23 Table 23 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER (kω)

24 Table 24 Resistance values at intermediate temperatures with R 25 at Ω; see also Table Mar CATALOGUE NUMBER (kω)