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Home > Products > Discrete Magnetic Transformers > H1260NL / H1260NLT SMT LAN Transformer for 100BASE-TX Ethernet

H1260NL / H1260NLT SMT LAN Transformer for 100BASE-TX Ethernet

Product Details

Place of Origin: Guangdong,China

Brand Name: LINK-PP

Certification: UL,RoHS,Reach,ISO

Model Number: H1260NL H1260NLT

Payment & Shipping Terms

Minimum Order Quantity: 400/2000/10K/25K

Price: $0.06-$3.2

Packaging Details: T&R

Delivery Time: Stock

Payment Terms: TT,NET30/60/90 Days

Supply Ability: 3KK/Month

Get Best Price
Highlight:

H1260NL

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H1260NLT

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Pulse LAN Transformer

PN:
H1260NL / H1260NLT
Data Rate:
100BASE-TX
Free Samples:
Available
Package:
16-pin SMD
Temperature:
0℃ TO +70℃
RoHS Compliant:
YES
Isolation Voltage:
1500 VAC
Turns Ratio:
1CT:1CT
PN:
H1260NL / H1260NLT
Data Rate:
100BASE-TX
Free Samples:
Available
Package:
16-pin SMD
Temperature:
0℃ TO +70℃
RoHS Compliant:
YES
Isolation Voltage:
1500 VAC
Turns Ratio:
1CT:1CT
H1260NL / H1260NLT SMT LAN Transformer for 100BASE-TX Ethernet

The H1260NL (and its Tape & Reel counterpart H1260NLT) is a professional-grade, single-port Surface Mount (SMD) LAN transformer module designed by Pulse Electronics. Engineered specifically for 100BASE-TX applications, this component ensures reliable signal integrity and robust isolation for networking hardware.



 Technical Specifications of 100BASE-TX SMT LAN Transformer 

Parameter Specification
Part Number H1260NL / H1260NLT
Device Type SMT LAN Transformer
Ethernet Standard 100BASE-TX
Turns Ratio 1CT:1CT / 1:1
Number of Channels Single
Mounting Style SMD
Operating Temperature 0°C to 70°C
Storage Temperature -20°C to +125°C
Isolation Voltage 1500 VAC / 1500 VRMS
RoHS Yes




Electrical Characteristics of H1260NL / H1260NLT Pulse Transformer 


Parameter Specification
Turns Ratio 1:1 ±2%
Insertion Loss 100 kHz: -1.2 dB max1–125 MHz: -0.2 − 0.002·f^1.4 dB max
Return Loss, 100BT (Zout = 100 Ω ±15%) 0.1–30 MHz: -16 dB min30–60 MHz: -10 + 20·log10(f/60 MHz) dB min60–80 MHz: -10 dB min
Inductance (OCL) 350 µH min
Crosstalk, Adjacent Channels 1 MHz: -50 dB min10–100 MHz: -55 + 22·log10(f/10) dB min
Common Mode Rejection Ratio 2 MHz: -50 dB min30–200 MHz: -15 + 20·log10(f/200) dB min
DC Resistance, 1/2 Winding 0.65 Ω max
DC Resistance Imbalance ±0.065 Ω max
Input-Output Isolation 1500 VRMS min @ 60 seconds




H1260NL / H1260NLT Ethernet Transformer Datasheet


1. H1260NL / H1260NLT Drawing - SCHEMATIC


H1260NL H1260NLT Drawing - SCHEMATIC


2. H1260NL / H1260NLT Drawing - Dimensions

H1260NL H1260NLT Drawing - Dimensions




Key Features and Benefits of H1260NL / H1260NLT SMT LAN Magnetics


  1. IEEE 802.3 Compliant: Fully meets the rigorous electrical specifications for Ethernet connectivity.
  2. Superior Thermal Stability: Operates efficiently within a 0-70℃ temperature range.
  3. RoHS Compliant: Built with environmentally friendly materials and processes.
  4. Highly Durable Header: Utilizes thermoset plastic material with a UL 94V-0 flammability rating or better.
  5. Industry-Standard Soldering: Compliant with J-STD-002, J-STD-020 (MSL Level 1), and J-STD-075 (R7 profile) for reliable reflow soldering at 245°C.




FAQs About 100BASE-TX LAN Magnetics


If you need a compact SMT LAN transformer for 100BASE-TX Ethernet, the H1260NL / H1260NLT offers a practical combination of 1:1 coupling, 1500 VRMS isolation, RoHS compliance, and tape-and-reel availability. It is a solid fit for Ethernet hardware that needs dependable signal integrity and streamlined surface-mount production.


1. Is H1260NL the same as H1260NLT?

Yes. H1260NLT is the tape-and-reel packaging version of H1260NL; the datasheet states that adding the “T” suffix indicates tape & reel packaging.


2. What Ethernet speed does the H1260NL support?

The datasheet specifies 100BASE-TX support.


3. What is the isolation rating?

The datasheet lists 1500 VRMS minimum for 60 seconds and also identifies the isolation voltage as 1500 VAC.


4. Is this transformer suitable for SMT assembly?

Yes. The part is specified as an SMD / SMT device.