B57220 EPCOS AG, B57220 Datasheet
B57220
Available stocks
Related parts for B57220
B57220 Summary of contents
Page 1
... NTC thermistors for temperature measurement Leadless NTCs Series/Type: B57220K Date: February 2009 © EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. ...
Page 2
... Important notes at the end of this document. Dimensional drawing d = 2.9 0 1.3 0.3 mm Approx. weight 50 mg (IEC 60068-1) 55/250/21 ( 180 (in air) 1) approx. 2.5 th (in air) 1) approx approx No. of R/T B 25/100 characteristic K 1008 3560 1.5% Page B57220K K220 mW/K s mJ/K Ordering code B57220K0212A003 ...
Page 3
... Temperature of air Relative humidity of air: 93% Duration: 21 days Lower test temperature Upper test temperature: 155 C Number of cycles: 100 P : 180 mW max t: 1000 h Temperature: 125 C t: 10000 h Page B57220K K220 R /R Remarks 25 25 (typical) < visible damage < visible damage < 3% ...
Page 4
... Page B57220K K220 3560 K 25/100 R /R (%/ 155.0 0.025193 2.0 160.0 0.02279 2.0 165.0 0.020667 2.0 170.0 0.01878 1.9 175.0 0.01709 1.9 180.0 0.015582 1.8 185.0 ...
Page 5
... Test Ua1: Leads Please read Cautions and warnings and Important notes at the end of this document. Dip soldering Iron soldering max. 260 C max. 360 C max max min min 0. 1.0 N 0.25 < 0. 2.5 N 0.35 < 0. 5.0 N 0.50 < 0. 10.0 N 0.80 < 1. 20.0 N Page B57220K K220 ...
Page 6
... Do not store SMDs where they are exposed to heat or direct sunlight. Otherwise, the packing ma- terial may be deformed or SMDs may stick together, causing problems during mounting. After opening the factory seals, such as polyvinyl-sealed packages, use the SMDs as soon as possible. Please read Cautions and warnings and Important notes at the end of this document. Page B57220K K220 ...
Page 7
... Solder the thermistors listed in this data book after shipment from EPCOS within the time speci- fied: SMDs: Leaded components: Please read Cautions and warnings and Important notes at the end of this document 75% annual mean <95%, maximum 30 days per annum 12 months 24 months Page B57220K K220 ...
Page 8
... Use resin-type flux or non-activated flux. Insufficient preheating may cause ceramic cracks. Rapid cooling by dipping in solvent is not recommended. Complete removal of flux is recommended. Please read Cautions and warnings and Important notes at the end of this document ... +45 C, relative Page B57220K K220 , Cl etc). x ...
Page 9
... Be sure to provide an appropriate fail-safe function to prevent secondary product damage caused by malfunction. This listing does not claim to be complete, but merely reflects the experience of EPCOS AG. Please read Cautions and warnings and Important notes at the end of this document. Page B57220K K220 ...
Page 10
... Widerstandstoleranz, die durch die Streuung des B-Wertes verursacht wird Isolationswiderstand Parallelwiderstand Nennwiderstand Widerstandstoleranz Serienwiderstand Widerstand bei Temperatur T (z. Widerstand bei Temperatur Temperaturtoleranz Zeit Umgebungstemperatur Obere Grenztemperatur (Kategorietemperatur) Untere Grenztemperatur (Kategorietemperatur) Betriebstemperatur Nenntemperatur Oberflächentemperatur Spannung Isolationsprüfspannung Betriebsspannung Prüfspannung Page B57220K K220 ...
Page 11
... German Temperaturkoeffizient Toleranz, Änderung Wärmeleitwert Thermische Abkühlzeitkonstante Thermische Zeitkonstante German Oberflächenmontierbares Bauelement Platzhalter für Zahl im Bestellnummern- code oder für die Typenbezeichnung. Platzhalter für einen Buchstaben. Alle Maße sind in mm angegeben. Verwendete Kommas in Zahlenwerten bezeichnen Dezimalpunkte. Page B57220K K220 ...
Page 12
Important notes The following applies to all products named in this publication: 1. Some parts of this publication contain statements about the suitability of our products for certain areas of application. These statements are based on our knowledge of typical ...