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* Ferrite Bobbins.
 Four sizes of Ferrite Bobbins suitable for winding custom value Inductors as
used in loudspeaker crossovers. Designated as Type A through to D.
A 'guide' to usage is as follows:-
Type A: FBA1823 Small value Inductors for Tweeter frequency modifications /
tweeks.
Type B: FBB2728 Low power Bass and Tweeter crossovers to 50w rms max. system
power.
Type C: FBC2535 Medium power Bass and Tweeter crossovers to 80w rms max.
system power.
Type D: FBD3040 Medium power Bass and Tweeter crossovers to 100w rms max. system
power.
All dimensions are in mm and are approximate.
| Order Code |
Height Max |
Diam. Max |
Core Diam. |
Core Height |
Price 1 to 5 |
Price 6 to 10 |
| FBA1823 |
18 |
23 |
13 |
12 |
0.73/ea |
0.66/ea |
| FBB2728 |
27 |
28 |
17 |
18 |
1.41/ea |
1.27/ea |
| FBC2535 |
25 |
35 |
20 |
17 |
1.83/ea |
1.65/ea |
| FBD3040 |
30 |
40 |
20 |
21 |
1.88/ea |
1.69/ea |
* Ferrite Crossover Coils,
Type C,
Price per piece.
|
Order
Code |
Description |
Price
GBP each |
|
|
| |
Ferrite
Inductors, Type C Bobbin. |
Tolerance 10% |
5% |
2% |
| FBCC47 |
0.47mH,
0.8mm Wire, DCR 0.14 Ohms |
2.14 |
2.37 |
2.56 |
| FBCC56 |
0.56mH,
0.8mm Wire, DCR 0.16 Ohms |
2.30 |
2.53 |
2.76 |
| FBCC68 |
0.68mH,
0.8mm Wire, DCR 0.17 Ohms |
2.46 |
2.64 |
2.94 |
| FBCC75 |
0.75mH,
0.8mm Wire, DCR 0.18 Ohms |
2.64 |
2.86 |
3.16 |
| FBCC82 |
0.82mH,
0.8mm Wire, DCR 0.19 Ohms |
2.80 |
3.08 |
3.36 |
| FBCC91 |
0.91mH,
0.8mm Wire, DCR 0.21 Ohms |
2.96 |
3.25 |
3.54 |
| FBCC10 |
1.00mH,
0.8mm Wire, DCR 0.22 Ohms |
3.14 |
3.45 |
3.76 |
| FBCC12 |
1.20mH,
0.8mm Wire, DCR 0.24 Ohms |
3.30 |
3.63 |
3.96 |
| FBCC15 |
1.50mH,
0.8mm Wire, DCR 0.27 Ohms |
3.46 |
3.80 |
4.14 |
| FBCC18 |
1.80mH,
0.8mm Wire, DCR 0.31 Ohms |
3.54 |
3.89 |
4.24 |
| FBCC22 |
2.20mH,
0.8mm Wire, DCR 0.35 Ohms |
3.70 |
4.07 |
4.44 |
| FBCC25 |
2.50mH,
0.8mm Wire, DCR 0.38 Ohms |
3.86 |
4.24 |
4.62 |
*
Air Cored Crossover
Bobbins.
 Three
sizes of Glass reinforced polyamid coil formers suitable
for the DIY constructor to wind custom coils for that
special project. Using 1.0mm copper wire the following
inductance ranges can be achieved. Type 1 Bobbin (0.1 - 0.39)mH,
Type 2 Bobbin (0.1 - 0.91)mH and Type 3 Bobbin (0.47 - 2.2)mH.
|
Order Code |
Description |
Price GBP 1 to 5 |
6 to 10 |
11 to 20 |
| ACFRMS1 |
Air Core
Bobbin Height 17mm, Diam 40mm, |
0.50/ea |
0.47/ea |
****** |
| ACFRMS2 |
Air Core
Bobbin Height 15mm, Diam 47mm |
0.62/ea |
0.60/ea |
****** |
| ACFRMS3 |
Air Core
Bobbin Height 25mm, Diam 58mm |
0.75/ea |
0.72/ea |
****** |
* Air Cored
Crossover Coils.
Air cored coils wound on hard glass-reinforced Polyamid formers.
Type 1 Bobbin (0.1 to 0.39)mH, (17 * 40)mm
Type 2 Bobbin (0.1 to 0.68)mH, (15 * 47)mm
Type 3 Bobbin (0.47 to 2.2)mH, (25 * 58)mm
Centre boltdown with M4 Nylon bolt or fix with
Silicone.
Tolerances +/- (10%, 5% or 2%).
* Air core coils, Type 1 Bobbin, (17
* 40)mm.
Price per piece.
|
Order Code |
Description |
Price GBP each |
|
|
| |
Air Cored
Coils, Type 1 Bobbin. |
Tolerance 10% |
5% |
2% |
| ACC110 |
0.10mH,
1.0mm Wire, DCR 0.12 Ohms |
2.43 |
2.67 |
2.92 |
| ACC115 |
0.15mH,
1.0mm Wire, DCR 0.16 Ohms |
2.59 |
2.85 |
3.11 |
| ACC122 |
0.22mH,
1.0mm Wire, DCR 0.20 Ohms |
3.02 |
3.32 |
3.63 |
| ACC133 |
0.33mH,
1.0mm Wire, DCR 0.25 Ohms |
3.17 |
3.48 |
3.81 |
| ACC139 |
0.39mH,
1.0mm Wire, DCR 0.29 Ohms |
3.25 |
3.58 |
3.90 |
* Air core coils, Type 2 Bobbin,
(15 * 47)mm. Price per piece.
|
Order Code |
Description |
Price GBP each |
|
|
| |
Air Cored
Inductors, Type 2 Bobbin. |
Tolerance 10% |
5% |
2% |
| ACC210 |
0.10mH,
1.0mm Wire, DCR 0.13 Ohms |
2.43 |
2.67 |
2.92 |
| ACC215 |
0.15mH,
1.0mm Wire, DCR 0.16 Ohms |
2.59 |
2.85 |
3.11 |
| ACC222 |
0.22mH,
1.0mm Wire, DCR 0.20 Ohms |
3.02 |
3.32 |
3.63 |
| ACC233 |
0.33mH,
1.0mm Wire, DCR 0.25 Ohms |
3.17 |
3.48 |
3.81 |
| ACC239 |
0.39mH,
1.0mm Wire, DCR 0.27 Ohms |
3.25 |
3.58 |
3.90 |
| ACC247 |
0.47mH,
1.0mm Wire, DCR 0.30 Ohms |
3.33 |
3.66 |
4.00 |
| ACC256 |
0.56mH,
1.0mm Wire, DCR 0.34 Ohms |
3.58 |
3.93 |
4.29 |
| ACC268 |
0.68mH,
1.0mm Wire, DCR 0.38 Ohms |
3.82 |
4.20 |
4.59 |
* Air core coils, Type 3
Bobbin, (25 *
58)mm. Price per piece.
|
Order Code |
Description |
Price GBP each |
|
|
| |
Air Cored
Inductors, Type 3 Bobbin. |
Tolerance 10% |
5% |
2% |
| ACC347 |
0.47mH,
1.0mm Wire, DCR 0.30 Ohms |
3.33 |
3.66 |
4.00 |
| ACC356 |
0.56mH,
1.0mm Wire, DCR 0.34 Ohms |
3.58 |
3.93 |
4.29 |
| ACC368 |
0.68mH,
1.0mm Wire, DCR 0.38 Ohms |
3.82 |
4.20 |
4.59 |
| ACC375 |
0.75mH,
1.0mm Wire, DCR 0.41 Ohms |
4.01 |
4.41 |
4.81 |
| ACC382 |
0.82mH,
1.0mm Wire, DCR 0.45 Ohms |
4.19 |
4.60 |
5.02 |
| ACC391 |
0.91mH,
1.0mm Wire, DCR 0.49 Ohms |
4.44 |
4.87 |
5.33 |
| ACC310 |
1.00mH,
1.0mm Wire, DCR 0.51 Ohms |
4.69 |
5.16 |
5.62 |
| ACC312 |
1.20mH,
1.0mm Wire, DCR 0.60 Ohms |
5.17 |
5.68 |
6.21 |
| ACC315 |
1.50mH,
1.0mm Wire, DCR 0.64 Ohms |
5.66 |
6.22 |
6.79 |
| ACC318 |
1.80mH,
1.0mm Wire, DCR 0.71 Ohms |
5.93 |
6.52 |
7.11 |
| ACC322 |
2.20mH,
1.0mm Wire, DCR 0.81 Ohms |
6.18 |
6.80 |
7.43 |
|
Order Code |
Description |
Price GBP 1 to 5 |
6 to 10 |
11 to 20 |
| Carriage |
Packaging &
Postage UK mainland only. GBP |
5.00 |
5.50 |
6.00 |
Issue 4: Last modified
September 19, 2007
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