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EMI RPS TYPE
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EMI RP TYPE
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EMI CTRC, CTNF TYPE
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EMI SLEEVE CORES RH TYPE
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EMI / INDUCTOR TOROIDAL CORES T TYPE
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EMI S*H TYPE
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EMI SM BEAD SMB TYPE
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EMI BEADS FBS / FBD FBR TYPE
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COMMON MODE CHOKE CM TYPE
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COMMON MODE CHOKE BN TYPE
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COMMON MODE CHOKE BN TYPE-2
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COMMON MODE CHOKE TR TYPE
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WIDE BAND CHOKES R6H TYPE
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EMI D - SUB D*S TYPE
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RHH / R4H / RID TYPE
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EMI FERRITE - TILE
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SMD POWER CHOKE
SQUARE RI + DR TYPE
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SMD POWER CHOKE
ROUND RI + DR TYPE
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SMD POWER CHOKE
SILVERING I TYPE
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SMD POWER CHOKE
SILVERING CT TYPE
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MINIATURE DRUM
TYPE DR TYPE
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ROD CORE R TYPE
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BOBBIN DR TYPE
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COIL FORM DR2W / DR3W / DR4W TYPE
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COIL FORM DRWW TYPE
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COIL FORM RWW TYPE
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THREAD TH TYPE
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CUP P TYPE
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THREADED CUP THP TYPE
E-mail
Coil Form
(DR2W/DR3W/DR4W Type)

Outline : 
Core-Tech's Thread cup cores (THP series) are combined with drumcores (DR series) for building up IFT coil and oscillator coil etc...for achieving fine tuning of portable radio.Thread cores (TH series cores) are combined with cup cores (THP series) to build up IFT coils and oscillator to achieve frquency adjustment. Pot cores (p core) is combined with thread cores (TH seroes) to build up the IFT coils and OSC coils.
 
Features : 
Peaking coils and choke coils. Stable characteristics. Accurate inductance adjustment.
 
Applications :
FM/AM Radio Tunner, converter transformers .
 

Ordering Code :

Dimensions :
Unit: mm
NO
ITEM
øA
øB
D
E
F
P
L1
L2
L3
Fig
1
DR2W 3X4
3±0.15
1.5±0.15
4±0.2
1.35
1.5±0.15
1.44
0.78
0.85
1.09
2
DR2W 3X7
3±0.1
1.8±0.15
7±0.3
1.25±0.15
4.5±0.15
1.44
0.78
0.85
1.99
3
DR2W 4X5.5
4±0.15
2±0.15
5.5±0.3
1.6±.15
2.3±0.15
1.76
0.91
1
1.2
4
DR2W 4X5.5(S)
4±0.15
2±0.15
5.5±0.3
1.6±0.15
2.3±0.15
1.76
0.91
1
1.2
5
DR2W 4X10
4±0.15
2±0.15
10±0.3
2.5±0.2
5±0.2
1.76
0.91
1
1.2
6
DR2W 4.5X5.5
4.5±0.15
2±0.15
5.5±0.2
1.6±0.15
2.3±0.15
2
0.9
1.04
1.34
7
DR2W 4.5X6.5(S)
4.5±0.15
2±0.15
6.5±0.3
1.75±0.2
3±0.15
2
0.9
1
1.34
8
DR2W 5X7
5±0.2
2±0.15
7±0.3
2±0.15
3±0.15
2.5
1.04
1.21
1.54
9
DR2W 6X8.3
5±0.2
2.5±0.15
8.3±0.3
2.15
4±0.15
3
1.04
1.21
1.54
10
DR2W 6X8.3(S)
6±0.2
2.5±0.15
8.3±0.3
2.15
4±0.15
3
1.04
1.21
1.54
11
DR2W 6.5X7.5
6.5±0.2
3±0.22
7.5±0.3
1.75±0.2
4±0.2
3.2
1.01
1.21
1.35
12
DR2W 7.8X6.8(S)
7.8±0.2
4±0.2
6.8±0.3
1.8
..1±0.15
5
1.2
1.29
1.5
13
SDR2W 8X8
8±0.2
3±0.15
8±0.3
2±0.15
4±0.15
5
1.04
1.22
1.5
14
DR2W 8X10(S)
8±0.2
4±0.2
10±0.3
2.5
5±0.2
5
1.04
1.22
1.5
15
DR2W 9X12
9±0.2
4±0.2
12±0.5
2.5
7±0.2
5
1.48
1.57
1.74
16
DR2W 9X12(S)
9±0.2
4±0.2
12±0.5
2.5
7±0.2
5
1.48
4.57
1.74
17
DR2W 10X8
10±0.3
5±0.2
8±0.3
1.5±0.15
5±0.2
7
1.39
1.48
1.5
18
DR2W 10X8(S)
10±0.3
5±0.2
8±0.3
1.5±0.15
5±0.2
7
1.39
1.48
1.5
19
DR2W 10X12
10±0.3
4±0.2
12±0.4
3±0.2
6±0.2
7
1.39
1.34
1.3
20
DR2W 10X16
10±0.3
5.5±0.2
16±0.6
3
10±0.4
7
1.39
1.34
1.3
21
DR2W 11X10(S)
11±0.3
4±0.2
10±0.4
2.25
5.5±0.2
7
1.48
4.57
1.9
22
DR2W 12X15
12±0.3
6±0.2
15±0.5
2.5
10±0.2
7.5
1.3
1.38
1.74
23
DR2W 12X15(S)
12±0.3
6±0.2
15±0.5
2.5
10±0.2
5.5
1.25
1.35
2
24
DR2W 13X15
13±0.3
4.3±0.2
15±0.5
2.5±0.15
10±0.2
8.67
1.39
1.53
1.79
25
DR2W 13X15(S)
13±0.3
4.3±0.2
15±0.5
2.5±0.15
10±0.2
8.5
1.25
1.35
3.03
26
DR2W 13.2X8(S)
13.2±0.3
4.5±0.2
8±0.2
1.8±0.1
3.7±0.1
5.5
0.9
0.98
1.5
27
DR2W 14X15
14±0.3
5±0.2
15±0.5
2.5±0.2
10±0.3
8.8
1.96
2.04
2
28
DR2W 19X18
16±0.3
10±0.2
18±0.4
2.5±0.2
13±0.3
9.48
1.96
2.01
2
29
DR2W 18X18
18±0.3
10±0.2
18±0.5
4
10±0.3
12.8
1.63
1.69
2
30
DR2W 18X20
18±0.3
9±0.2
20±0.5
3
14±0.3
12.8
1.63
1.69
2
31
DR4W 6X8.3
6±0.2
2.5±0.15
8.3±0.3
2.15
4±0.15
2.18
1.04
1.21
1.54
32
DR4W 8X8(S)
8±0.2
3±0.15
8±0.3
2.0±0.15
4±0.15
3.59
1.24
1.34
1.3
33
DR4W 8X10
8±0.2
4±0.2
10±0.3
2.5
5±0.2
3.5
1.01
1.22
1.83
34
DR4W 9X12
9±0.2
4±0.2
12±0.5
2.5
7±0.2
5
1.48
1.57
1.85
35
DR4W 10X8
10±0.3
5±0.2
8±0.3
1.5±0.15
5±0.2
3.57
1.24
1.34
1.3
36
DR4W 10X8(S)
10±0.3
5±0.2
8±0.3
1.5±0.15
5±0.2
3.59
1.24
1.34
1.3
37
DR4W 10X16
10±0.3
5.5±0.2
10±0.6
3
10±0.4
3.59
1.36
1.5
1.5
38
DR2W 6X6.2S
6±0.2
2.5±0.15
6.2±0.3
1
2.7±0.15
4
-
-
-
39
DR4W 10X8S
10±0.3
4.5±0.15
8±0.3
1.1
4±0.15
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Shapes :
 
 
Fig 1
 
 
Fig 2
 
 
 
Fig 3
 
 
Fig 4
 
 
 
Fig 5
 
 
Fig 6
 
 
 

   
 

CORE-TECH CORPORATION
FACTORY : NO. 238-6, SHIAH CHUANG TZE, YEONG AN,
HSIN WU, 327, TAO YUAN, TAIWAN, R.O.C.
TEL : 886-3-4861211~3 , 4862437 , 4861198
FAX : 886-3-4861210
E-mail : mailto:coretech@tpts1.seed.net.tw
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