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B82801A0134A040 Datasheet(PDF) 5 Page - EPCOS |
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B82801A0134A040 Datasheet(HTML) 5 Page - EPCOS |
5 / 9 page 5 12/12 Please read Cautions and warnings and Important notes at the end of this document. With: Bmax Maximum magnetic flux density in the ferrite core of the current sense transformer Vsense,max Maximum output voltage of the measurement signal G max Maximum duty cycle ns Number of turns of the secondary winding of the current sense transformer Ae Effective magnetic area of the ferrite core fosc Operating frequency of the switching operator IC Typical value for Ae: 1.44 x 10-6 m2 Typical Bmax: 200 mT With: RT Resistance of burden resistor Vsense,max Maximum output voltage of the measurement signal ns Number of turns on the secondary side of the CT Iprim,max Maximum primary current (peak current) Characteristics and ordering codes Lmin PH Turns ratio Np : Ns DC resistance Rmax (m:) Voltage- time product Recomm. RT Ordering code primary secondary V μs 33 1 : 20 2.5 320 5.76 20 B82801A0333A020 74 1 : 30 2.5 800 8.6 30 B82801A0743A030 132 1 : 40 2.5 1300 11.5 40 B82801A0134A040 205 1 : 50 2.5 2200 14.4 50 B82801A0214A050 295 1 : 60 2.5 3600 17.3 60 B82801A0304A060 400 1 : 70 2.5 4600 20.0 70 B82801A0404A070 820 1 : 100 2.5 8700 28.8 100 B82801A0824A100 1280 1 : 125 2.5 13000 36.0 125 B82801A0135A125 1840 1 : 150 2.5 21000 43.2 150 B82801A0185A150 Bmax Vsense max Gmax ns Ae fosc ----------------------------------------- = RT Vsense max ns Iprim max ----------------------------------- = B82801A SMT current sense transformers EE 4.2 |
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