TALEMA COJ-16-470

CMO Series - Common Mode Octal Chokes for Quad Port E1/T1
Features
• Low profile (5.8mm) and light weight (4.0 g), Talema common mode
choke modules provide excellent EMI reduction in Quad Port T1/E1
applications
• High density board placement with modular design
• SMD package facilitates pick and place compatability while
ensuring consistent and reliable coplanarity
• Excellent quality at extremely competitive price due to high volume
production
• Manufactured in ISO-9001 approved Talema facility
Electrical Specifications
Ratings@ 25°C ambient
Test voltage between windings: 500 Vrms
Operating Temperature Range: 0 to +70°C
Storage Temperature: -25°C to +105°C
Test Frequency: Inductance measured @ 100kHz/20mVrms
Standard packing in either anti-static tubes or in tape and reel
Weight: 4 grams
Applications
The Talema 16 data line common mode choke module has been designed for T1/E1 applications and provides EMI suppression for data and signal line filtering
COJ Octal Common Mode Chokes for Data and Signal Line EMI Noise Suppression
Part Number
OCL
(µH Min.)
DCR
(mOhms Typ.)
47
200
COJ-16-470
COJ-16-502
5000
400
Common Mode Attenuation
(dB Typ.)
100kH z
1MHz
10MHz
30MHz
50MHz
100MHz
7
27
40
44
42
36
26
100kH z
300kH z
1MHz
3MHz
5MHz
10MHz
30MHz
26.4
38.2
40.1
32.2
26.4
20.8
15.6
Schematic
COJ Module
Suggested Pad layout
TALEMA IN
WK/YR
Part Number
0.076
(1.93)
19 x 0.050
(19 x 1,27)
19 x 0.05
(1,27)
1.102
(28.00)
0.030
(0,77)
0.661 0.480
(16,80) (12,20)
0° - 8°
0.638 0.575
(16.20) (14.60)
300MHz
0.091
(2,30)
0.950
(24,13)
0.236 0.189
(6.00) (4.80)
0.020 x 0.012
(0.50 x 0.30)
Surface coplanarity will be <0.004 (0.10)
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
1
40
2
39
3
38
5
36
6
35
7
34
8
33
10
31
11
30
12
29
13
28
15
26
16
25
17
24
18
23
20
21
Sales & Marketing, Design and Manufacturing Facilities
http://www.talema-nuvotem.com
Eastern Europe &
Czech Republic
NT MAGNETICS s.r.o.
Chebská 27
322 00 Plzeñ
Tel: Int. + 420 37 - 744 9303
Fax: Int. + 420 37 - 744 3697
Email: [email protected]
Germany
Ireland
India
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Sembdnerstr. 5, Postfach 2523
82110 Germering
Tel: Int. + 49 89 - 841 00 - 0
Fax: Int. + 49 89 - 841 00 25
Email: [email protected]
NUVOTEM TEO.
Crolly
Co. Donegal
Tel: Int. + 353 74 - 954 8666
Fax: Int. + 353 74 - 954 8139
Email: [email protected]
TALEMA ELECTRONIC PVT. LTD.
Opposite the SIDCO Industrial Estate
Gins Towers
4/5S.H/1, Omalur Main Road
Salem - 636 004, Tamil Nadu
Tel: Int. + 91 427 - 244 1325
Fax: Int. + 91 427 - 243 0034
E-mail: [email protected]
Germany: Int.+49 89 - 841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 37 - 744 9303 • India: Int.+91 427 - 244 1325
THE TALEMA GROUP
•
World Wide Toroidal Specialists
http://www.talema-nuvotem.com
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