| Physical Dimensions |
OD = 0.440 in. / 11.2 mm
ID = 0.229 in. / 5.82 mm
Ht =
0.159 in. / 4.04 mm |
| Magnetic Dimensions |
 = 2.68 cm
A = 0.099
cm2
V = 0.266 cm3 |
| Dimensional Tolerance |
OD - 0.02 in.
ID - 0.02 in.
Ht - 0.02 in. |
AL
uH =
(AL * Turns2) / 1000 |
4.2 |
| Basic Iron Powder |
Carbonyl SF |
| Material Permeability
(µ°) |
8.5 |
Temperature Stability (ppm
/°C)
* averaged from -55C° to 흮 |
35 |
Magnetic Tolerance
* tested with evenly-spaced windings |
5 % |
| Toroidal Color Code |
Yellow/Clear |
Resonant Circuit Frequency
Range
* range is given to optimize Q and
core loss |
3MHz - 40MHz |
|
|
# of
Turns |
Inductance
in
uH |
length
in inches
includes
1 inch tails |
| 6 |
.16 |
5.6" |
| 8 |
.27 |
6.8" |
| 10 |
.43 |
8.0" |
| 12 |
.61 |
9.2" |
| 14 |
.83 |
10.4" |
| 16 |
1.1 |
11.6" |
| 18 |
1.4 |
12.8" |
| 20 |
1.7 |
14.0" |
| 22 |
2.1 |
15.2" |
| 24 |
2.5 |
16.4" |
| 26 |
2.9 |
17.6" |
| 28 |
3.3 |
18.8" |
| 30 |
3.8 |
20.0" |
| 32 |
4.4 |
21.2" |
| 34 |
4.9 |
22.4" |
| 36 |
5.5 |
23.6" |
| 38 |
6.1 |
24.8" |
| 40 |
6.8 |
26.0" | |
