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H1270NLT Datasheet, PDF (1/4 Pages) Pulse A Technitrol Company – 10/100BASE-TX DUAL PORT TRANSFORMER MODULES
10/100BASE-TX DUAL PORT
TRANSFORMER MODULES
For Use with Transceivers Requiring
1:1 Transmit and Receive Turns Ratios
RoHS reflow temperature rating 245°C°°
Meets IEEE 802.3 specification
Some models offer AutoMDIX capability
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
Part
Number 1
H1028NL2d
H1049NL2d
H1200NL2d
H1174NL2a
H1244NL2a, 4
H1270NL2a, 4
HX1294NL2a, 3, 4
Insertion Loss
(dB TYP)
0.1-100 MHz
-0.5
-0.5
-1.0
-1.2
-1.2
-1.2
-1.2
2-30 MHz
-21
-21
-16
-18
-18
-18
-16
Return Loss
(dB TYP)
40 MHz
-17
-17
-14.4
-16
-16
-16
-14
50 MHz
-14.5
-14.5
-13
-14
-14
-14
-13.5
1. All products meet input/output breakdown (HiPot) of 1500 Vrms.
2. MSL = Moisture Sensitivity Level a=1, b=2, c=3, d=4
Crosstalk
(dB TYP)
60-80 MHz
-12
-12
-12
-12
-12
-12
-10
1 MHz
-65
-65
-50
-60
-60
-60
-55
30 MHz
-55
-55
-45
-45
-45
-45
-45
60 MHz
-45
-45
-40
-40
-40
-40
-40
100 MHz
-35
-35
-35
-35
-35
-35
-35
3. Operating Temperature -40ºC to +85ºC
4. Suitable for AutoMDIX applications
Differential to Common
Mode Rejection
(dB MIN)
1-60 MHz 60-200 MHz
-45
-35
-45
-35
-37
-33
-45
-35
-45
-35
-45
-35
-30
-20
H1XXXNL
Mechanicals
H1174NL, H1244NL, H1270NL
Inches
± .010
Dimensions: mm Unless otherwi se spec ified, all tolerances are 0,25
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H322.N (9/10)