50.8 mm OD Core Dimensions
OD(max) ID(min) HT(max)
0.530”
Before Finish (nominal)
50.80 mm/2.000 in
31.80 mm/1.250 in
13.5 mm/0.530 in
After Finish (limits)
51.69 mm/2.035 in
30.93 mm/1.218 in
14.4 mm/0.565 in
Permeability (µ)
AL ± 8%
14 26 40 60 75 90 125 147 160 173 200 300
17 32 49 73 91 109 152 179 195 210 243 365
55715A2
Part Number MPP 55718 55717 55716 55715 55714 55713 55709 55712 55710
High Flux 58718 58717 58716 58715 58714 -
Physical Characteristics
Kool Mµ® 77717 77721 77716 77720 77719 77715 -
XFlux® 78717 78716 -
Winding Turn Length * Reference General Winding Data pages
Window Area Cross Section Path Length Volume Weight- MPP Weight- High Flux Weight- Kool Mµ Weight - XFlux Area Product
751 mm 125 mm2 127 mm 15,900 mm3 140 g 130 g 98 g 110 g 94,000 mm4
Winding Factor 0% 20% 25% 30% 35% 40% 45% 50% 60% 70%
2
Wound Coil Dimensions OD HT Max OD Max HT
40% Winding Factor Completely Full Window
56.6 mm 24.2 mm 72.4 mm 40.6 mm
Length/Turn (mm) 49.5 57.4 59.6 61.0 63.5 65.5 67.7 70.1 74.9 80.3
Surface Area Unwound Core 40% Winding Factor
6,400 mm2 11,000 mm2
AL (nH/ T 2)
Kool Mµ AL vs. DC Bias
0
200
400
600
800
1000
1200
1400
1600
1800
A·T www.mag-inc.com
2000
2200
2400
79
Core Data
2.000” 1.250”