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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
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Coil Form (DRWW Type)

IFT Cores Series (Bobbin Cores)  
Outline : 
Core-Tech's Thread cup cores (THP series) are combined with drum cores (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 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, Axial Inductor .
 

Ordering Code :

Dimensions & Characteristics :
Unit: mm
NO
ITEM
øA
øB
D
E
F
L1
L2
N
1
DRWW 1.8X2
1.8±0.1
1±0.1
2±0.1
0.6±0.1
0.8±0.1
0.65
0.6
0.6
2
DRWW 1.9X4
1.9±0.1
1.3±0.1
4±0.4
0.85
2.3±0.15
0.85
0.95
1.2
3
DRWW 2X5
2±0.1
1.5±0.15
5±.2
1.35
2.3±0.15
0.85
0.95
1.2
4
DRWW 2.2X7(4)
2.2±0.1
1.5±0.1
7±0.3
1.35
1.8±0.1
1
1.1
1.5
5
DRWW 2.3X4
2.3±0.1
1.5±0.1
4±0.2
1.15±0.15
1.6±0.15
0.85
0.95
1.1
6
DRWW 2.3X7(5)
2.3±0.1
1.5±0.1
7±0.3
1.5±0.15
1±0.1
0.85
0.95
0.75
7
DRWW 2.4X2.3
2.4±0.1
1.2±0.1
2.3±0.1
0.5
1.3±0.1
0.74
0.84
1.3
8
DRWW 2.5X4.5
2.5±0.1
1.5±0.15
4.5±0.2
0.75±0.15
3±0.15
0.9
1
1.5
9
DRWW 2.7X8
2.7±0.15
1.8±0.15
8±0.3
1.4±0.15
5.2±.2
1.09
1.17
1.5
10
DRWW 3X6(S)
3±0.1
2±0.15
6±0.3
1.5±0.15
30.15
1.3
1.39
1.8
11
DRWW 3X8
3±0.1
2±0.15
8±0.3
2±0.15
4±0.15
1.05
1.2
1.8
12
DRWW 3X10
3±0.1
2±0.15
10±0.3
2±0.15
6±0.15
1.05
1.2
1.3
13
DRWW 3.1X9(S)
3.1±0.1
1.65±0.15
9±0.3
1±0.2
7±0.2
0.94
1.03
1.5
14
DRWW 3.3X6
3.3±0.1
2±0.1
6±0.2
1.5±0.1
3±0.2
0.94
1.03
1.24
15
DRWW 3.5X6
3.5±0.1
2.2±0.1
6±0.3
0.75±0.15
4.5±0.15
0.94
1.03
1.24
16
DRWW 3.7X6
3.7±0.1
2±0.1
6±0.3
1.5±0.2
3±0.2
0.94
1.03
1.24
17
DRWW 4X5.5(S)
4±0.15
2±0.15
5.5±0.3
1.6±.15
2.3±0.15
0.94
1.03
1.24
18
DRWW 4X8
4±0.15
2.5±0.15
8±.3
1.5
5±0.3
0.94
1.03
1.32
19
DRWW 4.2X6(S)
4.2±0.15
1.8±0.15
6±0.3
1.6
2.8±0.2
1
1.07
1.34
20
DRWW 4.5X6.5
4.5±0.15
2±0.1
6.5±0.3
1.75±0.15
3±0.15
1.04
1.13
1.54
21
DRWW 5X8
5±0.2
2±0.15
8±0.3
1.5±0.1
5±0.15
1.04
1.21
2.04
22
DRWW 5X13
5±0.2
3.8±0.15
13±0.4
1.5
10±0.2
1.39
1.48
1.54
23
DRWW 6X8.3
6±0.2
2.5±0.15
8.3±0.3
2.15±0.15
4±0.15
1.04
1.21
2
24
DRWW 6X12
6±0.2
2.8±0.15
12±0.4
2±0.15
8±0.2
1.2
1.3
2.04
25
DRWW 6.3X14(S)
6.3±0.2
3±0.1
14±0.5
2±0.15
10±0.2
1.39
1.48
2.04
26
DRWW 7X16.5
7±0.2
3±0.15
16.5±0.5
3.25
10±0.2
1.39
1.48
1.78
27
DRWW 8X10
8±0.2
3.5±0.15
10±0.4
2.25
5.5±0.2
1.04
1.22
1.78
28
DRWW 8X15
8±0.2
4±0.2
15±0.5
2.5
10±0.2
1.04
1.22
1.74
29
DRWW 9X12
9±0.2
4±0.15
12±0.4
2.5
7±0.2
1.48
1.57
2.04
30
DRWW 9.5X19(S)
9.5±0.2
4.6±0.2
19±0.5
2.8
13.4±0.4
1.39
1.48
2
31
DRWW 10X16
10±0.3
6±0.2
16±0.5
3
10±0.2
1.4
1.5
2.04
32
DRWW 10X20
10±0.3
6±0.2
20±0.8
3.3±0.2
13.4±0.2
1.39
1.48
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Shapes :
 
 
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CORE-TECH CORPORATION
FACTORY : NO. 238-6, SHIAH CHUANG TZE, YEONG AN,
HSIN WU, 327, TAO YUAN, TAIWAN, R.O.C.
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