8261 Datasheet, PDF (1/1 Pages) Filtran LTD – LAN 10/100 Base-T Single Port Transformer Module

LAN
10/100 Base-T Single Port
Transformer Module
8261- 8263
• Provides excellent EMI filtering
• Designed for use with data grade unshielded twisted pair cable (UTP-5)
• Suitable for adapter card cable and multiport applications
• Meets IEEE 802.3 and ANSI X3.263 standards, including 350µH OCL
with 8mADC bias
MECHANICAL AND SCHEMATIC (All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC
Center-tapped inductor not included in 8261, so pin 12 connects to the transformer center tap.
ELECTRICAL SPECIFICATION @ 25˚C
Part
Number
Insertion
Loss
(dB MAX)
Return Loss
(dB MIN @ 100Ω)
0.1-100
MHz
1-30 40
50 60-80
MHz MHz MHz MHz
Differential to Common
Mode Rejection
(dB MIN)
30
MHz
60
MHz
100
MHz
Crosstalk
(dB TYP)
30
60
100
MHz MHz MHz
Hipot
(Vrms MIN)
8261
8262¹
-1.0
-22
-20
-18
-12
-42
-38
-32
-50
-40
-40
1500
-1.0
-22
-20
-18
-12
-45
-40
-35
-50
-40
-40
1500
8263
-1.0
-20
-20
-18
-14
-42
-36
-33
-50
-40
-40
1500
1. Rise time optimized for National’s DP83843.
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
An ISO 9001 Registered Company Tel: [phone] Fax: [phone] www.filtran.com