B57891 Datasheet | EPCOS

Features I I I I I Wide resistance range Cost-effective Lacquer-coated thermistor disk Leads: copper-clad Fe wire, tinned Marked with resistance and tolerance ø0,5 36 _ 1 TNT0390-J 2,5 Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack Dimensions in mm Approx. weight 0,2 g Climatic category (IEC 60068-1) Max. power at 25 °C .. Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity P25 ∆R N/R N TN ∆B/B δth τc Cth 55/125/21 200 ± 5 %, ± 10 % 25 ±3% approx. 3,5 approx. 12 approx. 40 m W °C m W/K s m J/K R 25 No. of R/T characteristic 1009 1008 1013 2003 2003 2003 4901 2004 2904 2904 4012 4012 B 25/100 K 3930 3560 3900 3980 3980 3980 3950 4100 4300 4300 4355 4355 80 05/02 Ordering code Ω 1k 1,5 k 2,2 k 3,3 k 4,7 k 6,8 k 10 k 15 k 22 k 33 k 47 k 68 k B57891M0102+000 B57891M0152+000 B57891M0222+000 B57891M0332+000 B57891M0472+000 B57891M0682+000 B57891M0103+000 B57891M0153+000 B57891M0223+000 B57891M0333+000 B57891M0473+001 B57891M0683+001 Temperature Measurement Leaded Disks B57891 M 891 R 25 No. of R/T characteristic 4003 2005 2005 2007 2006 B 25/100 K 4450 4600 4600 4830 5000 Ordering code Ω 100 k 150 k 220 k 330 k 470 k B57891M0104+000 B57891M0154+000 B57891M0224+000 B57891M0334+000 B57891M0474+000 +: J for ∆RN/RN = ± 5 % K for ∆RN/RN = ± 10 % Reliability data Test Storage in dry heat Standard IEC 60068-2-2 Test conditions Storage at upper category temperature T: 125 °C t: 1000 h Temperature of air: 40 °C Relative humidity of air: 93 % Duration: 21 days ∆R 25/R25 (typical) <3% Remarks No visible damage Storage in damp heat, steady state Rapid temperature cycling Endurance Long-term stability (empirical value) IEC 60068-2-3 IEC 60068-2-14 <2% No visible damage No visible damage No visible damage No visible damage Lower test temperature: - 55 °C < 2 % Upper test temperature: 125 °C Number of cycles: 100 P max: 200 m W t: 1000 h Temperature:...