LINK-PP INT'L TECHNOLOGY CO., LIMITED
| Payment Terms | TT,NET30/60/90 Days |
| Supply Ability | 3000000/Month |
| Delivery Time | 3-5 days |
| Packaging Details | 120pcs/reel,6Reel=35*35*35cm=9KGS(720pcs)/Carton |
| Specification | J0C-0003NL |
| Part No | LPJ19113DNL |
| Series | RJ45 Connector with Integrated Magnetics |
| Ethernet | 10/100Base-TX |
| Mounting | Surface Mount (SMT) |
| Isolation Voltage | 1500Vrms |
| Turns Ratio | TX:1CT:1 / RX:1CT:1 |
| OCL | ≥350 µH |
| Brand Name | LINK-PP |
| Model Number | J0C-0003NL |
| Certification | ISO9001,SGS,UL,CE,REACH,RoHS |
| Place of Origin | GuangDong, China |
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Product Specification
| Payment Terms | TT,NET30/60/90 Days | Supply Ability | 3000000/Month |
| Delivery Time | 3-5 days | Packaging Details | 120pcs/reel,6Reel=35*35*35cm=9KGS(720pcs)/Carton |
| Specification | J0C-0003NL | Part No | LPJ19113DNL |
| Series | RJ45 Connector with Integrated Magnetics | Ethernet | 10/100Base-TX |
| Mounting | Surface Mount (SMT) | Isolation Voltage | 1500Vrms |
| Turns Ratio | TX:1CT:1 / RX:1CT:1 | OCL | ≥350 µH |
| Brand Name | LINK-PP | Model Number | J0C-0003NL |
| Certification | ISO9001,SGS,UL,CE,REACH,RoHS | Place of Origin | GuangDong, China |
| High Light | J0C-0003NL ，Surface Mount Ethernet MagJack ，10/100Base-TX RJ45 SMT Connector | ||
J0C-0003NL is a single-port RJ45 connector with integrated magnetics (MagJack) designed for 10/100Base-TX Ethernet applications.
It belongs to the PulseJack J0C series and integrates Ethernet isolation transformers and common-mode filtering inside the connector housing, simplifying PCB design and improving EMI performance.
The device uses a surface-mount (SMT) footprint and a low-profile structure, making it suitable for compact network devices such as routers, set-top boxes, and industrial controllers.
| Parameter | Specification |
|---|---|
| Turns Ratio | 1CT:1 (TX), 1CT:1 (RX) |
| Connector Orientation | Tab Up |
| LED Indicators | Green / Yellow |
| EMI Finger | Yes |
| BST Circuit | No |
| Frequency | Insertion Loss (Max) |
|---|---|
| 1 – 65 MHz | -1.0 dB |
| Frequency | Return Loss (Min) |
|---|---|
| 1 – 10 MHz | -20 dB |
| 30 MHz | -16 dB |
| 60 – 80 MHz | -12 dB |
| Frequency | Crosstalk (Min) |
|---|---|
| 1 – 10 MHz | -40 dB |
| 30 – 60 MHz | -35 dB |
| 60 – 100 MHz | -30 dB |
| Frequency | CMR (Min) |
|---|---|
| 1 – 50 MHz | -30 dB |
| 50 – 130 MHz | -20 dB |
| Parameter | Specification |
|---|---|
| Hi-Pot Isolation Voltage | 1500 Vrms @ 60 Hz |
| Parameter | Specification |
|---|---|
| Connector Type | RJ45 with Integrated Magnetics |
| Port Configuration | 1 × 1 |
| Number of Contacts | 8P8C |
| Mounting Type | Surface Mount (SMT) |
| Orientation | Right Angle (90°) |
| Shielding | Shielded |
| Housing Material | High-temperature Thermoplastic |
| Contact Material | Phosphor Bronze |
| Contact Plating | Gold over Nickel |
| Height Above PCB | ~13.6 mm |
The J0C-0003NL is used in 10/100Base-TX Ethernet interfaces where a compact RJ45 connector with integrated magnetics is required.
Typical applications include routers, switches, and embedded networking devices.
Yes.
The connector integrates LAN isolation transformers and common-mode filtering, which eliminates the need for external magnetics.
The connector supports 10 Mbps and 100 Mbps Ethernet (10/100Base-TX) networks.
The device is designed for surface-mount (SMT) PCB assembly, making it suitable for automated manufacturing.
Compared with discrete transformer + RJ45 solutions, integrated MagJack connectors like the J0C-0003NL offer several advantages:
Ethernet transformers are integrated inside the connector housing, reducing board area requirements.
Designers can directly connect the Ethernet PHY to the MagJack interface without complex transformer routing.
Integrated common-mode filtering improves electromagnetic interference suppression.
Fewer external components reduce manufacturing complexity and assembly cost.
The J0C-0003NL integrated MagJack connector provides a compact and reliable solution for 10/100Base-TX Ethernet interfaces.
With built-in magnetics, strong EMI performance, and standard RJ45 connectivity, it simplifies Ethernet hardware design while maintaining compliance with IEEE networking standards.
This makes it an excellent choice for embedded networking systems, routers, switches, and industrial Ethernet equipment.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
$30-$50 million
Employee Number:
300~600
Ecer Certification：
Verified Supplier
LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m... LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m...
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