LPJ16183A28NL 10/100BASE-T Tab-Up RJ45 Magnetic Jack with 250Ω Resistor LEDs

Technical Specifications Table

10/100Base-T RJ45 Connector Datasheet - Schematic

Mechanical Footprint & PCB Layout Guidelines (Plain Text Format)

1. Overall Outer Dimensions:
- Length / Depth into PCB: 21.25 mm (Ultra-compact short body)
- Front Mating Face Width: 15.95 mm
- Height above PCB: 13.45 mm
- Solder Pin Tail Length: 3.70 mm (4.0 ± 0.30 mm overall)

2. Recommended PCB Hole Layout (Top View):
- Total Drilled Holes: 16 holes
  - Signal Leads (Pins 1–8): 8 holes of Ø0.90 mm [8 x Ø0.90 mm]
  - LED Indicator Leads (Pins 9–12): 4 holes of Ø1.02 mm [4 x Ø1.02 mm]
  - Shield Ground & Mounting Posts: 2 holes of Ø1.70 mm and 2 holes of Ø3.25 mm

3. Panel Opening Recommendation:
- Opening Width: 16.50 mm ~ 17.00 mm
- Opening Height: 13.50 mm ~ 14.00 mm
- Shell Feature: Built with SUS 304 stainless steel equipped with top and side EMI spring fingers to ensure continuous metallic contact with the chassis bezel.

4. Wave Soldering Parameters:
- Recommended Peak Tip Temperature: 250°C Max
- Solder Contact Dwell Time: 5 Seconds Max

Application Brief: Intel MinnowBoard MAX Powered by LINK-PP LPJG16314A4NL Gigabit RJ45 MagJack

The Intel® MinnowBoard MAX is an open-hardware, ultra-compact single-board computer (SBC, 99 mm × 74 mm) driven by the 64-bit Intel® Atom™ E3800 Series Processor (formerly Bay Trail-I). Designed for developer prototyping and commercial embedded deployments, the board requires an industrial-grade, space-efficient Gigabit Ethernet interface capable of continuous, high-throughput physical-layer connectivity.

The LINK-PP LPJG16314A4NL single-port 1000BASE-T Integrated Connector Module (ICM / MagJack) serves as the primary Ethernet interface on the MinnowBoard MAX reference ecosystem, bridging the onboard PCIe Gigabit PHY transceiver (e.g., Realtek RTL8111 series) with external local area networks.

Key Engineering Benefits Delivered by LPJG16314A4NL

1.Optimized Signal Integrity for 1000BASE-T Links: Equipped with high-performance 1CT:1CT magnetic isolation transformers and common-mode chokes across all 4 differential pairs, the LPJG16314A4NL delivers low insertion loss (< -1.0 dB up to 100 MHz) and strict 100 Ω differential impedance matching, guaranteeing clean eye-diagram margins and zero packet retries over extended Cat5e/Cat6 runs.
2. Compact Footprint for High-Density SBC Real Estate: The MinnowBoard MAX packs a rich set of I/O—including USB 3.0, Micro-HDMI, SATA2, and high-speed expansion headers—into a palm-sized footprint. By integrating discrete coils, Bob Smith termination resistors, and high-voltage capacitors into a single through-hole connector, the LPJG16314A4NL saves over 60% of PCB routing space compared to conventional discrete magnetic solutions.
3. 1500 Vrms Isolation & Robust EMI Suppression: Featuring a 0.20 mm nickel-plated copper alloy shell with multi-point EMI grounding spring fingers, the connector delivers 1500 Vrms dielectric isolation and direct low-impedance ground bonding to the chassis enclosure, effectively shielding sensitive Intel Atom processor silicon from ESD surges and common-mode industrial noise.
4. Integrated Dual-Status LEDs: Front-facing integrated LEDs provide real-time visual feedback for Link, Speed, and Activity states without requiring separate light pipes or auxiliary daughterboards.

Target Industry Deployments

1. Edge Computing & Industrial IoT Gateways: Enables fanless, continuous Gigabit data uplinks in harsh factory automation and remote monitoring environments.
2. Industrial Robotics & Machine Vision: Delivers stable, low-latency bandwidth for GigE camera integration and real-time motion control communications.
3. Smart Retail & Interactive Kiosks: Powers connected vending kiosks, digital signage players, and point-of-sale (POS) systems demanding round-the-clock network reliability.
4. Embedded Network Appliances: Serves as the reliable physical link for compact hardware firewalls, network monitoring probes, and field test equipment.

Technical FAQs

Q1: What is the main advantage of the built-in 250Ω resistor in LPJ16183A28NL?

Most standard RJ45 connectors feature raw LED diodes requiring external series resistors on the PCB to limit current. The LPJ16183A28NL integrates a 250 Ω resistor directly in series with both the Green and Yellow LEDs, allowing direct connection to 3.3V or 5V GPIO lines without adding discrete SMD resistors to your motherboard BOM.

Q2: How does the 21.25 mm body depth benefit compact enclosure designs?

Standard 10/100BASE-T MagJacks measure approximately 32.5 mm in depth. At only 21.25 mm deep, the LPJ16183A28NL saves over 11 mm of critical board space, making it ideal for low-profile SOHO routers, set-top boxes, smart TV motherboards, and shallow DIN-rail industrial gateways.

Q3: Does the LPJ16183A28NL support Power over Ethernet (PoE)?

No. The LPJ16183A28NL is a Non-PoE Fast Ethernet connector. It is engineered strictly for high-reliability data communication. For PoE applications, consider LINK-PP PoE models such as LPJK1014A8NL (PoE 15.4W) or LPJG0928GENL (PoE 600mA).