Temperature Measurement B57620 SMD NTC Thermistors with Silver Palladium Termination, Size 0805 Applications 1,25±0,15 C 620 1,3 max. ■ Temperature measurement and 0,5±0,25 2,0±0,2 compensation in – hybrid circuits – data systems – telecom systems – automotive electronics Features ■ Silver palladium termination (AgPd) ■ Cost-effective ■ Suitable for wave and reflow soldering Termination TNT0397-7-E Dimensions in mm Approx. weight 13 mg Options Alternative resistance ratings and resistance tolerance < 5% available on request Delivery mode Blister tape, 180-mm reel, PU: 4000 pcs Climatic category (IEC 60068-1) 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 P25 ∆R N/R N TN ∆B/B δth1) τc1) Cth1) B25/85 55/125/21 210 ± 5 %, ± 10 %, ± 20 % 25 ±3% approx. 3,5 approx. 10 approx. 35 B 25/100 mW °C mW/K s mJ/K Ordering code No. of R/T characteristic B 25/50 K K K 220 3207 3060 3090 3100 B57620C0221+062 330 3204 3190 3250 3250 B57620C0331+062 470 3205 3270 3290 3300 B57620C0471+062 680 3206 3420 3440 3450 B57620C0681+062 1k 3206 3420 3440 3450 B57620C0102+062 2,2 k 1304 3250 3280 3300 B57620C0222+062 4,7 k 1010 3470 3510 3530 B57620C0472+962 R 25 Ω +: J for ∆RN/RN = ± 5 % K for ∆RN/RN = ± 10 % M for ∆RN/RN = ± 20 % 1) Depends on mounting situation 58 05/02 Temperature Measurement B57620 SMD NTC Thermistors with Silver Palladium Termination, Size 0805 R 25 No. of R/T characteristic Ω B 25/50 B 25/85 B 25/100 C 620 Ordering code K K K 10 k 1011 3660 3730 3730 B57620C0103+062 22 k 2003 3930 3960 3980 B57620C0223+062 47 k 2101 4030 4080 4100 B57620C0473+062 100 k 2903 4120 4190 4200 B57620C0104+162 220 k 2904 4230 4280 4300 B57620C0224+062 +: J for ∆RN/RN = ± 5 % K for ∆RN/RN = ± 10 % M for ∆RN/RN = ± 20 % Reliability data SMD NTC thermistors are tested in accordance with IEC 60068. The parts are mounted on a standardized PCB in accordance with IEC 60539-1. Test Standard Test conditions ∆R25/R 25 (typical) Storage in dry heat IEC 60068-2-2 JIS C 0021 Storage at upper category temperature T: (125 ± 2) °C t: 1000 h < 3 %/ < 6 % 1) Storage in damp heat, steady state IEC 60068-2-3 JIS C 0022 Temperature of air: (40 ± 2) °C Relative humidity of air: (93 +2/–3) % Duration: 21 days <3% Rapid temperature cycling IEC 60068-2-14 JIS C 0025 Lower test temperature: – 55 °C < 3 % Upper test temperature: 125 °C Number of cycles: 10 Endurance Solderability Pmax: 210 mW T: (65 ± 2) °C t: 1000 h IEC 60068-2-58 JIS C 0054 95 % of terminations wetted Solderability: (215 ± 3) °C / (3 ± 0,3) s (235 ± 5) °C / (2 ± 0,2) s Reflow soldering profile Wave soldering profile 1) The higher value applies to 220 Ω – 1 kΩ types. 59 No visible damage <5% Resistance to soldering heat: (260 ± 5) °C / (10 ± 1) s Resistance drift after soldering Remarks 05/02 <5% Herausgegeben von EPCOS AG Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND ++49 89 636 09, FAX (0 89) 636-2 26 89 ( EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG nicht gestattet. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschüre ersetzt die vorige Ausgabe. Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft einzuholen. Published by EPCOS AG Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY ++49 89 636 09, FAX (0 89) 636-2 26 89 ( EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.