7250 Datasheet, PDF (1/1 Pages) Filtran LTD – V.90 Modem Transformer

V.90
Modem Transformer
• Suitable for modem speeds up to V.90/56kpbs
• Complies with UL1459 safety norms
• Reflects 600Ω on Primary with 294Ω Secondary load
• Thin (PCMCIA) Profile
• Operating Temperature Range: -40°C to +105°C
7250
Mechanical and Schematic (All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC
ELECTRICAL SPECIFICATION @ 25˚C
Part
Nu mber
7250
Turns
Ratio
(±2%)
1:1
Inse r tion
Loss
(dB TYP)
1 kHz
2.65
Return
Loss
(dB MIN)
0.2 - 4
kHz
25
F r eque ncy
Re sponse
(dB)
Longitudinal
Balance
(dB MIN)
0.2 - 4 0.06 - 1 1 - 4
kHz
kHz
kHz
±0.25
60
40
Total Harmonic
Distortion
(dB TYP)
600 Hz, 150 Hz,
-10 dBm -3 dBm
-86
-61
DCR
@ 20ºC, ±10%
(Ω TYP)
Pri Sec
156 145
Hipot
(V AC)
0.2mA,
2sec
1250
An ISO 9001 Registered Company
229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3
Tel: [phone] Fax: [phone] www.filtran.com