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MK
Magnetics
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Core Type
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Case Type
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Core Size
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Material
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Thickness
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Loop Type
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Customer
Specific
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S
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X
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X
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XXXX
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X
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X
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X
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- X
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C-Core Part Number Examples
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SC1000M1: "S" = MK Magnetics, "C" = C-core, no "Case Type" call out means no case or epoxy coating, "1000" = part size, "M" = Nanocrystalline, "1" = .001" thick material, no "Loop Type" (BH loop) call out immediately after material thickness means standard loop, not ending with a "dash" & "Customer Specific" call out means it is a standard part number
SC1000M1F: Same as above, but with non-standard "Loop Type" letter indicator when needed, "F" = flat loop
SCX1000M1F: Same as above, but with "Case Type" letter indicator when needed, "X" = epoxy coated
SC1000M1F-A: Same as above but with non-standard "Customer Specific" letter indicator when needed, "A" = customer specific part number, this letter indexes for each customer ordering this same part with a special requirement
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E-Core & T-Core
Part Number Example
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Same as C-core, but "Core Type" becomes
an "E" for E-core and "T" for toroid
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Core
Type
Indicator
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Description
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Core
Dimensional
Parameters
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C
E
T
P
D
B
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=
=
=
=
=
=
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C-core
E-core
Toroid
Pie/Circular core
D-core
Bar
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D
D
D
D
D
D
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E
2E
ID
IR
E
E
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F
F
OD
OR
OR
L
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G
G
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Case Type Indicator for Cased Toroids
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A
B
C
D
E
F
X
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=
=
=
=
=
=
=
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Machined nylon, silicone grease damped, unsealed
Glass filled injection molded nylon, silicone grease damped, unsealed
Phenolic case, customer specified damping, unsealed
Aluminum epoxy coated, silicone rubber damped, sealed
Anodized aluminum, silicone rubber damped, unsealed
Customer supplied case, customer specified damping
Epoxy fluidize coated |
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Core Material Type Indicators
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A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
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=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
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H-Type, Standard Grade, 3% grain-oriented silicon steel, .001", .002", .004", .009" M3, .012" M5
Z-Type, High Flux Grade, 3% grain-oriented silicon steel, .002", .004", .007" M2, .009"" Tran-Core-H
Premium-Z-Type, Super Oriented High Flux Grade, 3% grain-oriented silicon steel, .004", .009", .011"
Supermalloy, 80% Nickel, Molybdenum 5.0%-6.0%, Balance Iron, .0005", .001", .002", .004"
Permalloy-80, 80% Nickel, Molybdenum 4.0%-5.0%, Balance Iron, .0005", .001", .002", .004"
Square Permalloy-80, 80% Nickel, Molybdenum 4.0%-5.0%, Balance Iron, .0005", .001", .002", .004"
Square 50% Nickel, 50% Nickel, Balance Iron, .0005", .001", .002", .004"
Round 50% Nickel 4750 alloy, Transformer Grade, 50% Nickel, Balance Iron, .001", .002", .004"
Supermendur®, 49% Cobalt, 49% Iron, 2% Vanadium, .002", .004", round, square loop
2V-Permendur, 49% Cobalt, Balance Iron, Special order
Amorphous Metglas® 2605SA1, .001", round, square, flat, transverse loop
Nanocrystalline, Finemet® FT3,.0007", round, square, transverse loop
High Purity Iron, ultra low carbon, .003"
NKK 6.5% non-oriented silicon steel, .002", .004"
Non-oriented 3% silicon steel, .005", .007"
M19, 3% non-oriented silicon steel, .014"
M4, 3% grain-oriented silicon steel, .011"
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Thickness Indicator
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.0004" to .0006"
.0007" to .001"
.002"
.004"
.007"
.009"
.011"
.012"
.014"
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=
=
=
=
=
=
=
=
=
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5
1
2
4
7
9
A
B
C
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Special Hysteresis
Loop Type Modifiers
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F
R
S
T
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=
=
=
=
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Flat Loop Anneal
Round Loop Anneal
Square Loop Anneal
Transverse Loop Anneal
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