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E2452NL Datasheet, PDF (1/2 Pages) Pulse A Technitrol Company – ISOLATION TRANSFORMERS FOR 10BASE-T APPLICATIONS
ISOLATION TRANSFORMERS
FOR 10BASE-T APPLICATIONS
For Adapter Cards, Hubs and Motherboards
Designed to meet or exceed IEEE802.3, 10Base-T
specifications
Peak solder reflow Temperature rating per Table 5-2
defined in IPC/JEDEC J-STD-020C
Available with Common Mode Choke options for EMI suppression
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
Part
Turns Ratio
Number1, 2 Transmit
Receive
Primary
Pins
TX/RX
Common
Mode
Choke
Inductance
Primary
(µH)
Interwinding
Capacitance
(pfMAX)
Leakage
Winding
Inductance Resistance
(µH MAX)
(MAX)
Vrms
E2452NL 1CT:1CT
1CT:1CT
1-3/6-8
None
140/140
12
0.3
0.3
1500
E2454NL 1CT:2CT
1CT:1CT
1-3/6-8
TX only
50/200
12
0.3
1.0
1500
E2457NL 1CT:1.41CT 1CT:1CT
6-8/1-3
None
140/140
12
0.2
0.3
1500
E2458NL 1CT:1.41CT 1CT:1CT
6-8/1-3
Shared
160/160
12
0.4
0.3
1500
E2466NL 1CT:2CT
1CT:1CT
6-8/1-3
None
20/100
12
0.3
0.6
1500
E2467NL 1CT:2CT
1CT:1CT
6-8/1-3
Shared
20/100
12
0.3
0.6
1500
1. All above parts Moisture Sensitivity Level (MSL) = 1
2. All parts are supplied in Tubes but Tape & Reel options can be requested by adding “T” to the end of the part code, eg. E2457NLT will be the
Tape & Reel version of E2457NL.
E24XXNL
Schematics
1
16
2
15
3
14
Pri-Sec
6
11
7
10
8
9
Part without Choke
1
16
2
15
3
14
Pri-Sec
6
11
7
10
8
9
Part with TX Choke
1
16
2
15
3
14
Pri-Sec
6
11
7
10
8
9
Part including Shared Choke
USA 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 6287 8998 • Shanghai 86 21 32181071 • China 86 769 5538070 • Taiwan 886 2 26980228
www.pulseeng.com
1
E124.A (1/06)