EFD cores and accessories
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DATA SHEET
EFD30 EFD cores and accessories
Product specification File under Magn...
Description
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MAGNETIC PRODUCTS
DATA SHEET
EFD30 EFD cores and accessories
Product specification File under Magnetic Products, MA01 1997 Nov 21
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Philips Components
Product specification
EFD cores and accessories
CORES Effective core parameters SYMBOL Σ(I/A) Ve Ie Ae Amin m PARAMETER core factor (C1) effective volume effective length effective area minimum area mass of core half VALUE 0.98 4700 68.0 69.0 66.0 ≈12 UNIT mm−1 mm3 mm mm2 mm2 g
30 0.8 22.4 0.75 14.6 0.25 9.1 0.75 0.2
MGC183
EFD30
handbook, halfpage
15 0.15
11.2 0.3
4.9 0.15
Dimensions in mm.
Fig.1 EFD30 core half.
Core halves and sets Clamping force 70 ±20 N. GRADE 3C30 3C85 3C90 3F3 AL (nH) 1950 ±25% 2100 ±25% 2100 ±25% 160 ±3% 250 ±3% 315 ±5% 400 ±5% 630 ±10% 1900 ±25% 3F4 160 ±3% 250 ±3% 315 ±5% 400 ±5% 630 ±10% 1050 ±25% µe ≈1550 ≈1650 ≈1650 ≈126 ≈195 ≈250 ≈315 ≈500 ≈1500 ≈126 ≈195 ≈250 ≈315 ≈500 ≈820 AIR GAP (µm) ≈0 ≈0 ≈0 ≈ 500 ≈ 350 ≈ 250 ≈ 200 ≈ 120 ≈0 ≈ 500 ≈ 350 ≈ 250 ≈ 200 ≈ 120 ≈0 TYPE NUMBER EFD30-3C30 EFD30-3C85 EFD30-3C90 EFD30-3F3-A160-S EFD30-3F3-A250-S EFD30-3F3-A315-S EFD30-3F3-A400-S EFD30-3F3-A630-S EFD30-3F3 EFD30-3F4-A160-S EFD30-3F4-A250-S EFD30-3F4-A315-S EFD30-3F4-A400-S EFD30-3F4-A630-S EFD30-3F4
1997 Nov 21
2
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Philips Components
Product specification
EFD cores and accessories
Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 °C ≥360 ≥320 ≥330 ≥315 ≥300 f = 25 kHz; ˆ = 200 mT; B T = ...
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