Spool and Packaging for Litz Wire

Spool Types

Spool Types Diagramm Wire Sizes Characteristics
Biconical 1 37 - 58 AWG 0.010 mm - 0.114 mm Biconical spool for fine and ultrafine wire, superb de-reeling capability, ideal for high speed  winding machines
Cylindrical 2 31 - 50 AWG 0.050 mm - 0.511 mm Straight barrel spool, solid traditional design
Tapered 3 24 - 38 AWG 0.102 mm - 0.511 mm Stable winding due to tapered barrel spool for heavier sizes
Container Container for large spools

European Spools

Spool Type d1
[mm]
d4
[mm]
I1
[mm]
I2
[mm]
Spool weight
[g]
Filling weight unserved litz wire* [kg] Filling weight served & taped litz wire* [kg] Filling weight extruded litz wire* [kg] Spools per box Spools per pallet max
125K 125 16 125 100 200 2.0 1.3 ** 4/6/9 216
160K 160 22 160 128 350 4.8 3.2 2.0 4 96
200K 200 22 200 160 600 8.9 5.9 3.9 2 42
250K 250 22 200 160 1050 16.6 11.0 7.3 1 36
355K 355 36 200 160 1850 32.4 - ** - 12
VMV630 630 56 475 361 18500 214.0 178.0 ** - 1
VM 710 710 52 250 180 18000 - 81.0 (taped) ** - 4
400/56-275 400 56 275 241 4590 81.0 67.5 (taped) ** - 4

Dimensions of the spool

d1 ➡ Flange Diameter

d4 ➡ Core diameter

l1 ➡ Overall width

l2 ➡ Traverse

* Approximate values valid for copper, for other metals please inquire.

** The extrusion machines only work with spools bore diameter of 22 mm / 0.87 inch.

Other packages on demand.

American Spools

Spool Type Flange
diameter
d1
[inch]
Bore
diameter
d4
[inch]
Overall
width
I1
[inch]
Traverse
length
I2
[inch]
Spool weight
[lbs]
Filling weight
unserved
litz wire*
[lbs]
Filling weight
served & taped
litz wire*
[lbs]
Filling weight
extruded
litz wire*
[lbs]
Spools per box max. Boxes per pallet max.
3x3" 3.15 0.63 3.15 2.52 0.16 1.23 0.82 ** 24 N/A
4x4" 3.94 0.63 3.94 3.15 0.28 2.21 1.43 ** 6 N/A
5x5" 4.92 0.63 4.92 3.94 0.54 4.41 2.87 ** 6 216
6x4" 6.00 0.63 4.33 4.32 0.75 7.06 4.63 ** 6 125
6x6" 6.30 0.87 6.30 5.04 0.8 10.58 7.06 4.85 4 96
8x8" 7.87 0.87 7.87 6.30 1.35 19.62 13.01 8.60 2 42
250K 9.84 3.01 7.80 6.22 3 N/A N/A N/A 1 36
355K 13.98 1.42 7.87 6.30 4 71.44 59.54 ** N/A 12


Spool Type Flange diameter
d1
[mm]
Bore
diamter
d4
[mm]
Overall
width
I1
[mm]
Traverse
length
I2
[mm]
Spool weight
[kg]
Filling weight
unserved
litz wire*
[kg]
Filling weight
served & taped
litz wire*
[kg]
Filling weight
extruded
litz wire*
[kg]
Spools per box max. Boxes per pallet max.
3x3" 80 16 80 64 0.07 0.56 0.37 ** 24 N/A
4x4" 100 16 100 80 0.125 1.00 0.65 ** 6 N/A
5x5" 125 16 125 100 0.245 2.00 1.30 ** 6 216
6x4" 152.4 16 110 109.7 0.340 3.20 2.10 ** 6 125
6x6" 160 22 160 128 0.35 4.80 3.20 2.20 4 96
8x8" 200 22 200 160 0.6 8.90 5.90 3.90 2 42
250K 250 76.5 198 158 1.461 N/A N/A N/A 1 36
355K 355 36 200 160 1.85 32.40 27.00 ** N/A 12

Dimensions of the spool

d1 ➡ Flange Diameter

d4 ➡ Core diameter

l1 ➡ Overall width

l2 ➡ Traverse

* Approximate values valid for copper, for other metals please inquire.

** The extrusion machines only work with spools bore diameter of 22 mm / 0.87 inch.

Other packages on demand.

Asian Spools

Spool Type d1 (mm) d4 (mm) l1 (mm) l2 (mm) d14 (mm) Spool Weight (g) Filling Weight unserved litz wire* (Kg) Spools per box Boxes per pallet max
PT-4 124 22 200 170 140 270 6 4 24
PT-10 160 22 230 200 180 620/420 12 2 30/40
PT-15 180 22 230 200 200 550 18 1 45/36
PT-25 215 32 280 250 230 1000 28 1 24
P-30 300 30 160 130 300 1230 20 1 24
K200C 200 22 200 160 200 625 8 2 24

Dimensions of the spool

d1 ➡ Flange Diameter

d4 ➡ Core diameter

d14 ➡ Flange diameter

l1 ➡ Overall width

l2 ➡ Traverse