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  Datasheet File OCR Text:
 MODEM MAGNETICS
European V.34 Modem Transformer
TM00406
* *
Provides isolation and very low harmonic distortion Impedance matching for various countries can be achieved using the appropriate resistor and capacitor values Qualified per Bellcore TR-TSY-000357-1
*
Approved for use in applications requiring reinforced insulation Approved by UL, CSA and BABT Minimum interwinding breakdown voltage 3000 Vrms
* *
*
ELECTRICAL SPECIFICATIONS at 25 C
Insertion Loss dB @ 1 kHz Return Loss dB Frequency Response dB 100 Hz - 4 kHz Pri DCR max Sec Harmonic Distortion dB -10 dBm, 600 Hz > 90 Longitudinal Balance dB 300 Hz - 3500 Hz
Part Number
Turns Ratio 2%
300 Hz - 3500 Hz
2793A
1:1
< 2.0
> 20
< 1.2
115
115
> 60
SCHEMATIC
2793A
1
6
3 Primary
4 Secondary
TYPICAL SPICE TRANSMISSION MODEL
24.5 mH
1
94
94
6 10 pF 4
10 pF 3
65 k
17 H
(c)2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com T4-13
MODEM MAGNETICS
TM00406
European V.34 Modem Transformer
MECHANICAL
2793A
0.40 [10.16] max
0.118 [3.00]
0.020 [0.508] sq. wire 0.710 [18.03] max sq. 0.50 [12.7]
3 0.300 [7.62] 1
4
6
Compatible with water-soluble flux and total immersion cleaning process.
(c)2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00
CORPORATE
Bel Fuse Inc. 198 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
FAR EAST
Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com
EUROPE
Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com
T4-14


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