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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 = 100 °C ≤0.50 ≤0.74 ≤0.50 − − f = 100 kHz; ˆ = 100 mT; B T = 100 °C ≤0.54 ≤0.86 ≤0.54 ≤0.54 − CORE LOSS (W) at f = 400 kHz; ˆ = 50 mT; B T = 100 °C − − − ≤0.91 − f = 1 Mz; ˆ = 30 mT; B T = 100 °C − − − − ≤1.00
EFD30
f = 3 MHz; ˆ = 10 mT; B T = 100 °C − − − − ≤1.60
3C30 3C85 3C90 3F3 3F4 COIL FORMERS General data
PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability
SPECIFICATION phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with “UL 94V-0”; UL file number E167521(M) copper-tin alloy (CuSn), tin-lead alloy (SnPb) plated 180 °C, “IEC 85” class H
“IEC 68-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s “IEC 68-2-20”, Part 2, Test Ta, method 1: 235 °C, 2 s
handbook, full pagewidth
0 21.55 0.2 0 16.4 0.15 0.15 14.95 0 0 0.1 5.2 0 6.6 0.1
5 0 21.7 0.2 (20.1 min)
0.05
12.5 12 0 0.2 max 3.6 5 15 25.2 max
27.5
O 0.8 27.5 31.2 max 0.15 1.3 0
MGC184
Dimensions in mm.
Fig.2 EFD30 coil former; 12-pins.
Winding data for EFD30 coil former with 12-pins NUMBER OF SECTIONS 1 1997 Nov 21 WINDING AREA (mm2) 52.3 MINIMUM WINDING WIDTH (mm) 20.1 3 AVERAGE LENGTH OF TURN (mm) 52.9
TYPE NUMBER
CSH-EFD30-1S-12P
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Philips Components
Product specification
EFD cores and accessories
MOUNTING PARTS General data ITEM Clip REMARKS stainless steel (CrNi); clamping force ≈35 N FIGURE 3
EFD30
TYPE NUMBER CLI-EFD30
handbook, halfpage
5
8
34 28.3
MGC185
5.5
Dimensions in mm.
Fi.