7498011122AR Shielded SMT RJ45 10/100Base-T WE-RJ45 -40°C–85°C
7498011122AR — shielded RJ45 with integrated LAN transformer for 10/100Base-T. SMT board-edge mount, DOM LED (yellow-green), 1:1 turns, 350µH inductance, Hipot 2250VDC. Ideal for industrial Ethernet and robust LAN interfaces.
7498011122AR SMT RJ45 Connectors Summary:
High-reliability, shielded RJ45 connector with integrated LAN transformer for 10/100Base-T applications — SMT board-edge mount, yellow-green LED, wide temperature range (-40°C to +85°C), designed for industrial and commercial networking equipment.
Key Highlights:
- 10/100Base-T LAN transformer integrated RJ45 (single port)
- Shielded connector with EMI finger for improved EMC performance
- SMT board-edge mounting for compact PCB designs and automated assembly
- Wide operating temperature (-40°C … +85°C) — suitable for industrial environments
- Compliance to IEEE 802.3u; Auto-MDIX capable; Hipot tested at 2250 VDC / 1 min
Typical applications
- Industrial Ethernet I/O modules
- Network interface cards and embedded routers
- Switches and unmanaged industrial switches (10/100Base-T links)
- PoE-non-powered LAN ports where EMI control and reliability are required
Technical Specifications of WE-RJ45 7498011122AR:
General Specifications
| Parameter | Specification |
|---|---|
| Product Number | 7498011122AR |
| Description | LAN-Transformer WE-RJ45LAN 10/100Base-T |
| Connector Type | RJ45 (Shielded) |
| Ports | 1 |
| Mounting | Board Edge, Surface Mount (SMT) |
| Termination | Solder |
| Shield Tabs | Yes |
| Tab Orientation | Up |
| LED | Yellow-Green |
| PoE Support | Non-PoE |
| Improved CMRR | No |
| Hipot Test | 2250 VDC, 1 min |
| Standards | IEEE 802.3u compliant (10/100Base-TX) |
| Auto MDIX | Yes |
| Operating Temperature | -40°C to +85°C |
Electrical Characteristics
| Parameter | Specification |
|---|---|
| Data Rate | 10 / 100 Mbps |
| Inductance | 350 µH |
| Turns Ratio | 1 : 1 |
| Insertion Loss | ≤ -1.0 dB (1–100 MHz) |
| Return Loss (100 Ω) | 1–30 MHz: ≥ -18 dB |
| 30–60 MHz: ≥ -14 dB | |
| 60–80 MHz: ≥ -12 dB | |
| 80–100 MHz: ≥ -10 dB | |
| Common Mode Rejection (CMR) | ≥ -35 dB (1–100 MHz) |
| Crosstalk | ≥ -35 dB (1–100 MHz) |
7498011122AR RJ45 Drawing:
7498011122AR Schematics
7498011122AR soldering spec.
749801122AR RJ45 Solutions:
1. EMI / signal integrity in industrial environments
Solution: Shielded RJ45 body with EMI finger and integrated transformer (CMR ≥ -35 dB) minimizes common-mode noise coupling.
2. Assembly and reflow compatibility for SMT production
Solution: Board-edge SMT package designed for automated pick-and-place and reflow soldering (follow vendor reflow profile).
3. Uncertain operating range for field equipment
Solution: Specified operating range (-40°C to +85°C) reduces risk in outdoor or industrial deployments.
4. Compliance and test evidence required by QA
Solution: IEEE 802.3u compliance, Hipot 2250 VDC / 1 min — include test reports in procurement pack.
Installation & Engineering otes for RJ45 Magjacks:
- Clean PCB pads and ensure proper board-edge mounting clearance.
- Verify soldering profile is compatible with SMT connector; avoid excessive thermal stress on plastic parts.
- Ensure connector shield is properly tied to chassis/ground for effective EMI control.
- For highest link performance, follow recommended PCB transformer filtering and pair routing practices.
- If PoE is required in your design, select a PoE-capable variant — 7498011122AR is non-PoE.
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