B59725T1120A62 EPCOS Inc, B59725T1120A62 Datasheet
B59725T1120A62
Specifications of B59725T1120A62
Related parts for B59725T1120A62
B59725T1120A62 Summary of contents
Page 1
PTC thermistors for overcurrent protection in telecom applications Telecom Pair Protector (TPP), SMD Series/Type: Date: November 2009 © EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent ...
Page 2
... T17** and T18**: Blister tape, 380-mm reel with 24-mm tape, taping to IEC 60286-3 General technical data Max. operating voltage Operating temperature range Operating temperature range Insulating test voltage between PTC1 and PTC2 Resistance matching in one housing Resistance matching in one housing Resistance matching in one housing Please read Cautions and warnings and Important notes at the end of this document ...
Page 3
Overcurrent protection for telecom Telecom pair protector (TPP), SMD Electrical specifications and ordering codes R R Type Component height 7.5 mm T1535 35 +15/ 20 T1550 50 15 Component height 8.5 mm T1510 10 20 T1525 25 ...
Page 4
Overcurrent protection for telecom Telecom pair protector (TPP), SMD Switching times and ordering codes t (typ.) t (typ.) Type Smax 230 V AC 230 Component height 7.5 mm ...
Page 5
Overcurrent protection for telecom Telecom pair protector (TPP), SMD Internal circuit Dimensional drawings in mm For type T1510 and T1525 For type T1535 and T1550 Please read Cautions and warnings and Important notes at the end of this document. Solder ...
Page 6
Overcurrent protection for telecom Telecom pair protector (TPP), SMD Dimensional drawings in mm For type T1635 and T1650 For type T1725, T1735, T1750 For type T1805 ... T1875 Please read Cautions and warnings and Important notes at the end of ...
Page 7
... Important notes at the end of this document. Test conditions Room temperature Smax max Number of cycles: 10 Storage max op,max max Test duration: 1000 h Temperature of air Relative humidity of air: 93% Duration: 56 days Test according to IEC 60068-2- V op,min 2 op,max Number of cycles: 5 Test duration: 30 min Test according to IEC 60068-2-14, Test Na Frequency range Displacement amplitude: 0 ...
Page 8
Overcurrent protection for telecom Telecom pair protector (TPP), SMD ITU performance overview and test conditions ITU K20 Test Basic no. test level 1 A Power induction 2 B Power contact Lightning surge 600 ...
Page 9
... Storage Store thermistors only in original packaging. Do not open the package before storage. Storage conditions in original packaging: storage temperature midity 75% annual mean, maximum 95%, dew precipitation is inadmissible. Avoid contamination of thermistors surface during storage, handling and processing. ...
Page 10
... The minimum force of the clamping contacts pressing against the PTC must During operation, the thermistor’s surface temperature can be very high. Ensure that adjacent components are placed at a sufficient distance from the thermistor to allow for proper cooling at the thermistors ...
Page 11
... S R Resistance Resistance matching per reel/ packing unit 25,match R Tolerance Temperature t Time T Ambient temperature A t Thermal threshold time a T Ferroelectric Curie temperature C Please read Cautions and warnings and Important notes at the end of this document. , charging of capacitor max , failure mode max Page ...
Page 12
... Sensing temperature sense T Operating temperature op T PTC temperature PTC t Response time R T Reference temperature ref T Temperature at minimum resistance Rmin t Switching time S T Surface temperature surf UCT Upper category temperature Voltage (with subscript only for distinction from volume Root-mean-square value of voltage RMS ...
Page 13
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 ...