Temperature Measurement B57620 SMD NTC Thermistors with Silver Palladium Termination, Size 0805 Applications 1,250,15 C 620 1,3 max. Temperature measurement and 0,50,25 2,00,2 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 R 25 No. of R/T characteristic P25 R N/R N TN B/B th1) c1) Cth1) 55/125/21 210 5 %, 10 %, 20 % 25 3% approx. 3,5 approx. 10 approx. 35 B 25/50 B25/85 B25/100 K K K mW C mW/K s mJ/K Ordering code 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 +: 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 B25/50 B25/85 B 25/100 K K K C 620 Ordering code 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 - 1 k types. 59 No visible damage <5% Resistance to soldering heat: (260 5) C / (10 1) s Resistance drift after soldering Remarks 05/02 <5%