B66391
B66391 is Core manufactured by EPCOS.
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ER 49/27/17 Core
I Round center leg particularly suitable
B66391 for use of thick winding wires or tapes
I For pact winding design with low leakage inductance
I ER cores are supplied as single units
Magnetic characteristics (per set)
Σl/A le Ae A min Ve
= 0,49 mm- 1 = 118 mm = 243 mm2 = 225 mm2 = 28 700 mm3
Approx. weight 146 g/set
Ungapped Material N27 A L value nH
µe
A L1min P V nH W/set
Ordering code
3500 + 30/- 20 % 1350 3240
< 5,38 B66391-G-X127 (200 mT, 25 kHz, 100 °C)
Calculation factors (for formulas, see “ E cores: general information”, page 382) Material Relationship between air gap
- A L value K1 (25 °C) N27 Validity range: 342 K2 (25 °C)
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