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
Ω
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
©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