8.11.15

Constructional -Ceramic standoffs-TOROIDS- wires SWG to mm

 Ceramics
Τα κεραμικά στηρίγματα. Τι είναι: Οταν θέλουμε να περάσουμε υψηλά ρεύματα είτε Ηλεκτρικά είτε Ηλεκτρομαγνητικά θα πρέπει να βρισκονται σε αποσταση ασφαλείας από τις γειώσεις . Αυτο μας το εξασφαλίζουν Κεραμικοί διαχωριστες . Είναι μικρά πράγματα που δίνουν ποιότητα σε μια κατασκευή . Μονωτήρες ρευμάτων και θερμοκρασιών . Είναι κεραμικά αλλά εμεις τα λέμε και πορσελάνες διοτι και αυτες τετοια πραγματα είναι, ψημένες γαίες.    


πωλούνται                                                     for sale





Round Ceramic Threaded Standoffs - Military
Cat. No. Length "L" Inch [mm] O.D. Thread Size Thread Depth "D" Inch [mm] NL#
7661 .500 [12,70] .375 [9,53] 6-32 .156 [ 3,96] NL523W01-004
7662 .625 [15,88] .375 [9,53] 6-32 .250 [ 6,35] NL523W01-005
7663 .625 [15,88] .500 [12,70] 8-32 .187 [ 4,75] NL523W02-005
7664 .750 [19,05] .375 [9,53] 6-32 .250 [ 6,35] NL523W01-006
7665 .750 [19,05] .500 [12,70] 8-32 .250 [ 6,35] NL523W02-006
7666 1.000 [25,40] .375 [9,53] 6-32 .375 [ 9,53] NL523W01-008
7667 1.000 [25,40] .500 [12,70] 8-32 .375 [ 9,53] NL523W02-008
7668 1.000 [25,40] .750 [19,05] 10-32 .375 [ 9,53] NL523W03-008
7669 1.250 [31,75] .375 [9,53] 6-32 .375 [ 9,53] NL523W01-010
7670 1.250 [31,75] .500 [12,70] 8-32 .375 [ 9,53] NL523W02-010
7671 1.250 [31,75] 1.000 [25,40] 1/4-20 .437 11,10] NL523W04-010
7672 1.500 [38,10] .375 [9,53] 6-32 .375 [ 9,53] NL523W01-012
7673 1.500 [38,10] .500 [12,70] 8-32 .375 [ 9,53] NL523W02-012
7674 1.500 [38,10] .750 [19,05] 10-32 .375 [ 9,53] NL523W03-012
7675 1.500 [38,10] 1.000 [25,40] 1/4-20 .500 [12,70] NL523W04-012
7676 2.000 [50,80] .375 [9,53] 6-32 .375 [ 9,53] NL523W01-016
7677 2.000 [50,80] .500 [12,70] 8-32 .375 [ 9,53] NL523W02-016
7678 2.000 [50,80] .750 [19,05] 10-32 .375 [ 9,53] NL523W03-016

TOROIDS

Amidon IRON POWDER TOROIDAL CORES

Iron Powder Material
Basic Iron Powder
Material Permeability µo
Temperature Stability (ppm/°C)
Resonant Circuit Frequency Range (MHz)
Color Code
0
Phenolic
1
0
100.0 - 300.0
Tan
1
Carbonyl C
20
280
0.5 - 5.0
Blue
2
Carbonyl E
10
95
2.0 - 30.0
Red
3
Carbonyl HP
35
370
0.05 - 0.5
Grey
6
Carbonyl SF
8
35
10.0 - 50.0
Yellow
7
Carbonyl TH
9
30
5.0 - 35.0
White
10
Carbonyl W
6
150
30.0 - 100.0
Black
12
Synthetic Oxide
4
170*
50.0 - 200.0
Green/White
15
Carbonyl GS6
25
190
0.10 - 2.0
Red/White
17
Carbonyl
4
50
50.00 - 200.0
Blue/Yellow
26
Special
75
882
LF filters, chokes
Yellow/White
Material #17 has been developed as a temperature stable alternative to the #12.
Frequency ranges shown are for best 'Q'/ Useful over broader frequency ranges with lower 'Q'.

  • MATERIAL #0 (µ=1): Most commonly used for frequencies above 100 MHz. Available in toroidal form only. Note: Due to the nature of this material the inductance resulting from the use of a given AL value may not be as accurate as we would like. Inductance vs. number of turns will vary greatly depending upon the winding technique.
  • MATERIAL #1 (µ=20): A Carbonyl 'C' material, very similar to material #3 except that it has higher volume resistivity and better stability. Available in toroidal form and shielded coil form.
  • MATERIAL #2 (µ=10): A Carbonyl 'E' iron powder material having high volume resistivity. Offers high 'Q' for the 2 MHz to 20 MHz frequency range. Available in toroidal form and shielded coil form.
  • MATERIAL #3 (µ=35): A Carbonyl 'HP' material having excellent stability and good 'Q' for the lower frequencies from 50 KHz to 500 KHz. Available in toroidal form and shielded coil form.
  • MATERIAL #6 (µ=8): A Carbonyl 'SF' material. Offers very good 'Q' and temperature stability for the 20 to 50 MHz frequency range. Available in both toroidal and shielded coil form.
  • MATERIAL #7 (µ=9): A Carbonyl 'TH' material. Very similar to the #2 and #6 materials but offers better temperature stability than either. Available in both toroidal and shielded coil form.
  • MATERIAL #10 (µ=6): A powdered iron 'W' material. Offers good 'Q' and high stability for frequencies from 40 MHz to 100 MHz. Available in toroidal form and shielded coil form.
  • MATERIAL #12 (µ=4): A Synthetic oxide material which provides good 'Q' and moderate stability for frequencies from 50 MHz to 200 MHz. If high 'Q' is of prime importance this material is a good choice. If stability is of a prime importance, consider the #17 material. The #12 material is available in all sizes up to T-94, in toroidal form. Not available in shielded coil form.
  • MATERIAL #15 (µ=25): A carbonyl 'GS6' material. Has excellent stability and good 'Q'. A good choice for commercial broadcast frequencies where good 'Q' and stability are essential. Available in toroidal form only.
  • MATERIAL #17 (µ=4): This is a new carbonyl material which is very similar to the #12 material except tatar it has better temperature stability. However, as compared to the #12 material, there is a slight 'Q' loss of about 10% from 50 MHz to 100 MHz. Above 100 MHz, the 'Q' will gradually deteriorate to approximately 20% lower. It is available in both toroidal form and the shielded coil form.
  • MATERIAL #26 (µ=75): A Hydrogen Reduced material. Has highest permeability of all of the iron powder materials. Used for EMI filters and DC chokes. The #26 is very similar to the older #41 material but can provide and extended frequency range. See AC Line Filter and CD Choke sections for size, permeability and frequency range information.


  MATERIAL 0 -- Permeability 1, Freq Range 100 MHz - 300 MHz, Color - Tan
Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-0 .125 .062 .050 .74 .010 .007 3.0
T-16-0 .160 .078 .060 .95 .016 .015 3.0
T-20-0 .200 .088 .070 1.15 .025 .029 3.5
T-25-0 .255 .120 .096 1.50 .042 .063 4.5
T-30-0 .307 .151 .128 1.83 .065 .119 6.0
T-37-0 .375 .205 .128 2.32 .070 .162 4.9
T-44-0 .440 .229 .159 2.67 .107 .286 6.5
T-50-0 .500 .303 .190 3.03 .121 .367 6.4
T-68-0 .690 .370 .190 4.24 .196 .831 7.5
T-80-0 .795 .495 .250 5.15 .242 1.246 8.5
T-94-0 .942 .560 .312 6.00 .385 2.310 10.6
T-106-0 1.060 .570 .437 6.50 .690 4.485 19.0
T-130-0 1.300 .780 .437 8.29 .730 6.052 15.0
Note:
    Due to the nature of the '0' material, the inductance resulting from the use of the given AL value may vary greatly depending upon the winding technique. This may cause discrepancy between calculated and measured inductance.

    MATERIAL 1 -- Permeability 20, Freq. Range 0.5 MHz to 5 MHz, Color - Blue
Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
X
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-1 .125 .062 .050 .74 .010 .007 48
T-16-1 .160 .078 .060 .95 .016 .015 44
T-20-1 .200 .088 .070 1.15 .025 .029 52
T-25-1 .255 .120 .096 1.50 .042 .063 70
T-30-1 .307 .151 .128 1.83 .065 .119 85
T-37-1 .375 .205 .128 2.32 .070 .162 80
T-44-1 .440 .229 .159 2.67 .107 .286 105
T-50-1 .500 .303 .190 3.03 .121 .367 100
T-68-1 .69 .370 .190 4.24 .196 .831 115
T-80-1 .795 .495 .250 5.15 .242 1.246 115
T-94-1 .942 .560 .312 6.00 .385 2.310 160
T-106-1 1.060 .570 .437 6.50 .690 4.485 325
T-130-1 1.300 .780 .437 8.29 .730 6.052 200
T-157-1 1.570 .950 .570 10.05 1.140 11.457 320
T-184-1 1.840 .950 .710 11.12 2.040 22.685 500
T-200-1 2.000 1.250 .550 12.97 1.330 17.250 250
Note:
    Most cores can be very useful well below the lower frequency limits shown here.

MATERIAL 2 -- Permeability 10, Freq. Range 2 MHz to 30 MHz, Color - Red

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-2 .125 .062 .050 .74 .010 .007 20
T-16-2 .160 .078 .060 .95 .016 .015 22
T-20-2 .200 .088 .070 1.15 .025 .029 25
T-25-2 .255 .120 .096 1.50 .042 .063 34
T-30-2 .307 .151 .128 1.83 .065 .119 43
T-37-2 .375 .205 .128 2.32 .070 .162 40
T-44-2 .440 .229 .159 2.67 .107 .286 52
T-50-2 .500 .303 .190 3.03 .121 .367 49
T-68-2 .690 .370 .190 4.24 .196 .831 57
T-80-2 .795 .495 .250 5.15 .242 1.246 55
T-94-2 .942 .560 .312 6.00 .385 2.310 84
T-106-2 1.060 .780 .437 6.50 .690 4.485 135
T-130-2 1.300 .950 .437 8.29 .730 6.052 110
T-157-2 1.570 .950 .570 10.05 1.140 11.457 140
T-184-2 1.840 1.250 .710 11.12 2.040 22.685 240
T-200-2 2.000 1.250 .550 12.97 1.330 17.250 120
T-200A-2 2.000 1.405 1.000 12.97 2.240 29.050 218
T-225-2 2.250 1.485 .550 14.56 1.508 21.956 120
T-225A-2 2.250 1.250 1.000 14.56 2.730 39.749 215
T-300-2 3.058 1.925 .500 19.83 1.810 35.892 114
T-300A-2 3.048 1.925 1.000 19.83 3.580 70.991 228
T-400-2 4.000 2.250 .650 24.93 3.660 91.244 180
T-400A-2 4.000 2.250 1.300 24.93 7.432 185.250 360
T-520-2 5.200 3.080 .800 33.16 5.460 181.000 207

MATERIAL 3 -- Permeability 35, Freq. Range 0.05 MHz to 0.5 MHz, Color - Gray

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-3 .125 .062 .050 .74 .010 .007 60
T-16-3 .160 .078 .060 .95 .016 .015 61
T-20-3 .200 .088 .070 1.15 .025 .029 76
T-25-3 .255 .120 .096 1.50 .042 .063 100
T-30-3 .307 .151 .128 .183 .065 .119 140
T-37-3 .375 .205 .128 2.32 .070 .162 120
T-44-3 .440 .229 .159 2.67 .107 .286 180
T-50-3 .500 .303 .190 3.03 .121 .367 175
T-68-3 .690 .370 .190 4.24 .196 .831 195
T-80-3 .795 .495 .250 5.15 .242 1.246 180
T-94-3 .942 .560 .312 6.00 .385 2.310 248
T-106-3 1.060 .570 .437 6.50 .690 4.485 450
T-130-3 1.300 .780 .437 8.29 .730 6.052 350
T-157-3 1.570 .950 .570 10.05 1.140 11.457 420
T-184-3 1.840 .950 .710 11.12 2.040 22.685 720
T-200-3 2.000 1.250 .550 12.97 1.330 17.250 425
T-200A-3 2.000 1.250 1.000 12.97 2.240 29.050 460
T-225-3 2.250 1.405 .550 14.56 1.508 21.956 425

MATERIAL 6-- Permeability 8, Freq. Range 10 MHz to 50 MHz, Color - Yellow

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-6 .125 .062 .050 .74 .010 .007 17
T-16-6 .160 .078 .060 .95 .016 .015 19
T-20-6 .200 .088 .070 1.15 .025 .029 22
T-25-6 .255 .120 .096 1.50 .042 .063 27
T-30-6 .307 .151 .128 .183 .065 .119 36
T-37-6 .375 .205 .128 2.32 .070 .162 30
T-44-6 .440 .229 .159 2.67 .107 .286 42
T-50-6 .500 .303 .190 3.03 .121 .367 46
T-68-6 .690 .370 .190 4.24 .196 .831 47
T-80-6 .795 .495 .250 5.15 .242 1.246 45
T-94-6 .942 .560 .312 6.00 .385 2.310 70
T-106-6 1.060 .570 .437 6.50 .690 4.485 116
T-130-6 1.300 .780 .437 8.29 .730 6.052 96
T-157-6 1.570 .950 .570 10.05 1.140 11.457 115
T-184-6 1.840 .950 .710 11.12 2.040 22.685 195
T-200-6 2.000 1.250 .550 12.97 1.330 17.250 100
T-200A-6 2.000 1.250 1.000 12.97 2.240 29.050 180
T-225-6 2.250 1.405 .550 14.56 1.508 21.956 100

MATERIAL 7 -- Permeability 9, Freq. Range 3 MHz to 35 MHz, Color - White

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-25-7 .255 .120 .096 1.50 .042 .063 29
T-37-7 .375 .205 .128 2.32 .070 .162 32
T-50-7 .500 .303 .190 3.03 .121 .367 43
T-68-7 .690 .370 .190 4.24 .196 .831 52

MATERIAL 10-- Permeability 6, Freq. Range 30 MHz to 100 MHz, Color - Black

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-10 .125 .062 .050 .74 .010 .007 12
T-16-10 .160 .078 .060 .95 .016 .015 13
T-20-10 .200 .088 .070 1.15 .025 .029 16
T-25-10 .255 .120 .096 1.50 .042 .063 19
T-30-10 .307 .151 .128 .183 .065 .119 25
T-37-10 .375 .205 .128 2.32 .070 .162 25
T-44-10 .440 .229 .159 2.67 .107 .286 33
T-50-10 .500 .303 .190 3.03 .121 .367 31
T-68-10 .690 .370 .190 4.24 .196 .831 32
T-80-10 .795 .495 .250 5.15 .242 1.246 32
T-94-10 .942 .560 .312 6.00 .385 2.310 58

MATERIAL 12-- Permeability 4, Freq. Range 50 MHz to 200 MHz, Color - Green & White

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-12 .125 .062 .050 .74 .010 .007 7.5
T-16-12 .160 .078 .060 .95 .016 .015 8.0
T-20-12 .200 .088 .070 1.15 .025 .029 10
T-25-12 .255 .120 .096 1.50 .042 .063 12.0
T-30-12 .307 .151 .128 .183 .065 .119 16.0
T-37-12 .375 .205 .128 2.32 .070 .162 15.0
T-44-12 .440 .229 .159 2.67 .107 .286 18.5
T-50-12 .500 .303 .190 3.03 .121 .367 18.0
T-68-12 .690 .370 .190 4.24 .196 .831 21.0
T-80-12 .795 .495 .250 5.15 .242 1.246 22.0
T-94-12 .942 .560 .312 6.00 .385 2.310 32.0

MATERIAL 15-- Permeability 25, Freq. Range 0.1 MHz to 2.0 MHz, Color - Red & White

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-15 .125 .062 .050 .74 .010 .007 50
T-16-15 .160 .078 .060 .95 .016 .015 55
T-20-15 .200 .088 .070 1.15 .025 .029 65
T-25-15 .255 .120 .096 1.50 .042 .063 85
T-30-15 .307 .151 .128 .183 .065 .119 93
T-37-15 .375 .205 .128 2.32 .070 .162 90
T-44-15 .440 .229 .159 2.67 .107 .286 160
T-50-15 .500 .303 .190 3.03 .121 .367 135
T-68-15 .690 .370 .190 4.24 .196 .831 180
T-80-15 .795 .495 .250 5.15 .242 1.246 170
T-94-15 .942 .560 .312 6.00 .385 2.310 200
T-106-15 1.060 .570 .437 6.50 .690 4.485 345
T-130-15 1.300 .780 .437 8.29 .730 6.052 250
T-157-15 1.570 .950 .570 10.05 1.140 11.457 360

MATERIAL 17-- Permeability 4, Freq. Range 20 MHz to 200 MHz, Color - Blue & Yellow

Core Number O.D.
(inches)
I.D.
(inches)
Hgt
(inches)
le
(cm)
Ae
(cm)2
Ve
(cm)3
AL Value
µh/100 Turns
T-12-17 .125 .062 .050 .74 .010 .007 7.5
T-16-17 .160 .078 .060 .95 .016 .015 8.0
T-20-17 .200 .088 .070 1.15 .025 .029 10.0
T-25-17 .255 .120 .096 1.50 .042 .063 12.0
T-30-17 .307 .151 .128 .183 .065 .119 16.0
T-37-17 .375 .205 .128 2.32 .070 .162 15.0
T-44-17 .440 .229 .159 2.67 .107 .286 18.5
T-50-17 .500 .303 .190 3.03 .121 .367 18.0
T-68-17 .690 .370 .190 4.24 .196 .831 21.0
T-80-17 .795 .495 .250 5.15 .242 1.246 32.0
T-90-17 .942 .560 .312 6.00 .385 2.310 32.0


WIRES

SWG to mm conversion chart

SWG # Diameter
(mm)
Area
(mm2)
7/0 12.700 126.6769
6/0 11.786 109.0921
5/0 10.973 94.5638
4/0 10.160 81.0732
3/0 9.449 70.1202
2/0 8.839 61.3643
0 8.230 53.1921
1 7.620 45.6037
2 7.010 38.5989
3 6.401 32.1780
4 5.893 27.2730
5 5.385 22.7735
6 4.877 18.6793
7 4.470 15.6958
8 4.064 12.9717
9 3.658 10.5071
10 3.251 8.3019
11 2.946 6.8183
12 2.642 5.4805
13 2.337 4.2888
14 2.032 3.2429
15 1.829 2.6268
16 1.626 2.0755
17 1.422 1.5890
18 1.219 1.1675
19 1.016 0.8107
20 0.914 0.6567
21 0.813 0.5189
22 0.711 0.3973
23 0.610 0.2919
24 0.559 0.2452
25 0.5080 0.2027
26 0.4572 0.1642
27 0.4166 0.1363
28 0.3759 0.1110
29 0.3454 0.0937
30 0.3150 0.0779
31 0.2946 0.0682
32 0.2743 0.0591
33 0.2540 0.0507
34 0.2337 0.0429
35 0.2134 0.0358
36 0.1930 0.0293
37 0.1727 0.0234
38 0.1524 0.0182
39 0.1321 0.0137
40 0.1219 0.0117
41 0.1118 0.0098
42 0.1016 0.0081
43 0.0914 0.0066
44 0.0813 0.0052
45 0.0711 0.0040
46 0.0610 0.0029
47 0.0508 0.0020
48 0.0406 0.0013
49 0.0305 0.0007
50 0.0254 0.0005

screws


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