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Home > Products > Magnetic RJ45 Jack > KLA1T109-43 LF 1000Base-T RJ45 Magjack Match ATMEGA88PV-10MUR IC

KLA1T109-43 LF 1000Base-T RJ45 Magjack Match ATMEGA88PV-10MUR IC

Product Details

Place of Origin: China

Brand Name: LINK-PP

Certification: UL,ROHS,Reach,ISO

Model Number: KLA1T109-43 LF

Document: LPJG0801ABNL.pdf

Payment & Shipping Terms

Minimum Order Quantity: 50/500/1000

Price: $0.95

Packaging Details: 50pcs/tray,1200pcs/carton

Delivery Time: in Stock Ship within 3days

Payment Terms: TT,NET30/60/90 Days

Supply Ability: 4600K.PCS/Month

Get Best Price
Highlight:

KLA1T109-43 LF

,

RJ45 Magnetic Jack

,

RJ45 with Magnetics

Part Number:
KLA1T109-43 LF
Mass Production:
LPJG0801ABNL
Original Munafactuer:
LINK-PP
Application:
10/100/1000Base-T
Termination:
Solder
LEDs:
Green/Yellow
IC Match:
ATMEGA88PV-10MUR
Products Type:
1000Base-T RJ45 Magjack
Part Number:
KLA1T109-43 LF
Mass Production:
LPJG0801ABNL
Original Munafactuer:
LINK-PP
Application:
10/100/1000Base-T
Termination:
Solder
LEDs:
Green/Yellow
IC Match:
ATMEGA88PV-10MUR
Products Type:
1000Base-T RJ45 Magjack
KLA1T109-43 LF 1000Base-T RJ45 Magjack Match ATMEGA88PV-10MUR IC


The KLA1T109-43LF is a single-port 1000BASE-T RJ45 MagJack (Integrated Magnetics Connector, IMC) designed for Gigabit Ethernet networking equipment. This 1×1 right-angle RJ45 connector integrates Ethernet isolation transformers, common-mode filtering, impedance matching resistors, and a high-voltage capacitor into a compact package, significantly reducing PCB space while improving EMI performance.


Compliant with IEEE 802.3ab and FCC requirements, the KLA1T109-43LF supports 1000BASE-T transmission over Category 5 UTP cable and features dual integrated LEDs for link and activity indication. With 1500Vrms isolation, 350μH minimum OCL, and 750 mating cycles, it is an ideal solution for enterprise networking, industrial Ethernet, IP communication devices, and embedded networking systems.




KLA1T109-43 LF Single-Port Integrated Magnetics Connector with LEDs Key Features:


  • Gigabit Performance: Specifically designed for 1000 BASE-T transmission over standard UTP-5 cabling.
  • Space Optimization: Matches standard RJ-45 dimensions to maximize valuable PCB board real estate.
  • Superior EMI Reduction: Integrated magnetics minimize electromagnetic interference, improving overall system EMI performance.
  • Built-in Status Indicators: Integrated Yellow and Green LEDs for immediate link/activity diagnostics.
  • Robust Isolation: Provides 1500 Vrms (Input to Output @ 60Hz) isolation voltage for enhanced circuit protection.
  • Global Compliance: Fully compliant with IEEE 802.3ab standards, FCC regulations, and RoHS environmental requirements.




Technical Specifications


Parameter Specification
Part Number KLA1T109-43LF
Product Type Integrated Magnetics RJ45 Connector (MagJack)
Configuration 1 × 1 Single Port
Ethernet Standard IEEE 802.3ab
Data Rate 1000BASE-T Gigabit Ethernet
Mounting Type Right Angle Through Hole
Shielding Shielded
Magnetics Integrated
Operating Temperature 0°C to +70°C
Storage Temperature -25°C to +85°C
Compliance RoHS, IEEE 802.3ab, FCC




Electrical Specifications (@ 25°C)


Parameter Specification
Turns Ratio (±5%) TX: 1CT:1CT / RX: 1CT:1CT
Open Circuit Inductance (OCL) 350 μH Min. (@ 100 kHz, 0.1 V, 8 mA DC Bias)
Isolation Voltage (HI-POT) 1500 Vrms (@ 60 Hz, Input to Output)
Insertion Loss (Max.) ≤ 1.0 dB (1–100 MHz)
Cross Talk (Min.)

≥ 40 dB (0.3–30 MHz)

≥ 35 dB (30–60 MHz)

≥ 30 dB (60–100 MHz)

Return Loss (Min. @ 100 Ω Load)

≥ 16 dB (1–30 MHz)

≥ 13.5 dB (30–40 MHz)

≥ 11.5 dB (40–50 MHz)

≥ 10 dB (50–80 MHz)

Common Mode Rejection (CMR)

≥ 30 dB (1–30 MHz)

≥ 25 dB (30–60 MHz)

≥ 20 dB (60–125 MHz)





KLA1T109-43 LF Magnetics RJ45 Connector Datasheet


1. KLA1T109-43LF Datasheet -  Mechanical


KLA1T109-43LF Datasheet -  Mechanical


2. KLA1T109-43LF Datasheet - Schematic


KLA1T109-43LF Datasheet - Schematic


3. KLA1T109-43LF Datasheet -  PCB Layout Mounting Hole(Top View)


KLA1T109-43LF Datasheet -  PCB Layout Mounting Hole(Top View)




Mechanical & Material Specifications


Feature Material / Specification
Housing Material Thermoplastic, UL 94V-0, Black
Metal Shield Brass with 20 μin Nickel Plating
Contact / Spring Wire Phosphor Bronze with Selective Gold Plating
Solder Pins SUS430, Solder Plated, 0.50 × 0.35 mm
Mating Durability Minimum 750 Mating Cycles
Operating Temperature 0°C to +70°C
Storage Temperature -25°C to +85°C




KLA1T109-43LF Mechanical Dimensions (Unit: mm [inch])


Category Parameter Dimension
Overall Dimensions Width 16.00 mm [0.630 in]

Height (Housing)* 13.60 mm [0.536 in]

Depth (Length) 21.30 mm [0.839 in]
Pins & Locating Posts Rear Signal Pin Length 3.20 mm [0.126 in]

Plastic Locating Post Height 3.20 mm [0.126 in]

Front LED Pin Size (Thickness × Width) 0.50 × 0.60 mm [0.020 × 0.024 in] (4 Pins)

Rear Signal Pin Thickness 0.35 mm [0.014 in] (8 Pins)
Front View (LED Layout) LED Configuration Left: Green LED / Right: Yellow LED

Left (Green) LED Pin Pitch 3.10 mm [0.122 in]

Right (Yellow) LED Pin Pitch 3.00 mm [0.118 in]

Far-Left LED Pin to Connector Edge 3.10 mm [0.122 in]

Outer LED Pins Center Span 11.43 mm [0.450 in]
Side View Spacing Front LED Pin to Front Shield Tab 6.35 mm [0.250 in]

Front LED Pin to Plastic Post Center 8.89 mm [0.350 in]

Plastic Post Center to 1st Signal Pin Row 3.15 mm [0.124 in]

1st Signal Pin Row to 2nd Signal Pin Row 1.20 mm [0.047 in]
Bottom View / PCB Footprint Front Shield Tabs Span 11.43 mm [0.450 in]

Bottom Plastic Locating Posts Span 11.43 mm [0.450 in]

Rear Signal Pin Pitch (Adjacent Pins) 1.27 mm [0.050 in]

Front Face to Rear Shield Tab Center 10.70 mm [0.422 in]

Plastic Post Center to Rear Shield Tab Center 5.08 mm [0.200 in]

Front Shield Tab Center to Plastic Post Center 3.38 mm [0.133 in]




PCB Layout & Mounting


The KLA1T109-43LF is designed with a standardized PCB footprint that supports automated through-hole assembly.


Key design advantages include:


  • Standard PCB mounting pattern
  • Integrated locating posts for assembly stability
  • Optimized signal pin arrangement
  • Shield grounding tabs for improved EMI performance
  • Compatible with conventional wave soldering processes


The standardized footprint helps reduce redesign effort when replacing compatible Gigabit RJ45 MagJack connectors.




Frequently Asked Questions

What is the KLA1T109-43LF?

The KLA1T109-43LF is a single-port Gigabit RJ45 connector with integrated magnetics, designed for IEEE 802.3ab 1000BASE-T Ethernet applications.


Does the connector include Ethernet transformers?

Yes. It integrates Ethernet isolation transformers, impedance matching resistors, and a high-voltage capacitor into the RJ45 connector housing.


What Ethernet speed does it support?

The connector supports 1000BASE-T Gigabit Ethernet transmission over Category 5 UTP cable.


What is the isolation voltage?

The integrated magnetics provide 1500Vrms isolation between the Ethernet PHY and the network cable.


Are LEDs integrated?

Yes. The connector includes one Green LED and one Yellow LED, commonly used for Link, Speed, or Activity indication.


Is the connector RoHS compliant?

Yes. The KLA1T109-43LF complies with RoHS environmental requirements.


Can LINK-PP provide an equivalent replacement?

Yes. LINK-PP offers compatible LPJG0801ABNL Gigabit RJ45 MagJack solutions with equivalent electrical performance, PCB compatibility, and long-term manufacturing support.