LAN
Isolation Transformers for 10 Base-T
7325-7329
• Available with common mode chokes for EMI suppression
• Exceeds IEEE 802.3, 10 Base-T specifications
• Isolation voltage 2000 Vrms
MECHANICAL AND SCHEMATIC
(All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC 1
SCHEMATIC 2
UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.005
ELECTRICAL SPECIFICATION @ 25˚C
7325-7329
Part
Number
7325
7326
7327
7328
7329
Turns Ratio
(±5%)
Transmit
1CT:1CT
1CT: √2CT
2CT:1CT
1CT: √2CT
1CT:2CT
Receive
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
Primary
Pins
1-3 / 6-8
6-8 / 1-3
1-3 / 6-8
6-8 / 1-3
6-8 / 1-3
Common
Mode
Choke
Sine Wave
C
W/W1
OCL
1
(pF MAX)
(µH MIN)
200
200
100
12
15
10
12
12
L
L1
(µH MAX)
0.3
0.5
0.4
0.5
0.2
DCR
(Ω MAX)
0.3
0.4
0.5
0.6
0.6
Schem.
1
1
1
2
2
06/05/02
X
X
200
140
ISSUE: B
1. OCL, CW/W and LL are measured at 20 mVrms, 100 kHz.
229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124
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