AR11-3827I 1000Base-T Magnetic RJ45 Jack Single Port With LED
AR11-3827I Gigabit RJ45 Magjack Overview
The AR11-38271 is a high-performance, single-port (1x1) Gigabit RJ45 Jack featuring integrated magnetics and advanced EMI shielding. Designed for 10/100/1000 Base-T Ethernet applications, this connector is an industry-standard solution for networking hardware requiring high-speed data transmission and robust signal integrity.
Engineered to operate in extreme conditions, it supports an industrial temperature range (-40°C to +85°C), making it ideal for industrial automation, outdoor telecommunications, and ruggedized computing environments.
Key Features and Benefits
- Integrated Magnetics: Simplifies PCB design by integrating the transformer and choke directly into the RJ45 housing, saving board space and reducing EMI.
- Gigabit Performance: Fully supports 1000 Base-T speeds with AutoMDIX capability.
- Enhanced Shielding: Features a brass shield with full EMI fingers to provide superior grounding and electromagnetic interference protection.
- Industrial Durability: Rated for -40°C to +85°C; built with high-grade Thermoplastic (UL94V-0) and Phosphor Bronze contacts.
- LED Indicators: Integrated Green/Yellow (G/Y) LEDs for immediate port status and link activity feedback.
- Cross-Brand Compatibility: Fully compatible with ALLIED equivalent components, ensuring a seamless drop-in replacement for existing designs.
Technical Specifications of AR11-3827I 1000Base-T Magnetic RJ45 Jack
1. Mechanical Specifications
| Item | Specification |
|---|---|
| Part Number | AR11-38271 |
| Alternate Reference | AR11-3827I |
| Connector Type | RJ45 |
| Number of Ports | 1x1 |
| Number of Positions / Contacts | 8P10C |
| Speed | 1000 Base-T |
| Application LAN | Non-PoE |
| Mounting Type | Through Hole |
| Orientation | 90° Angle / Right Angle |
| Tab Direction | Down |
| LED | With LED |
| Shielding | Shielded, EMI Finger |
| Temperature Range | -40°C to +85°C |
| Product Length | 21.3 mm |
| Product Height | 13.4 mm |
| Product Width | 15.9 mm |
| Height Above Board | 13.65 mm |
| Termination | Solder |
| Packaging | Tray |
| Contact Material | Phosphor Bronze |
| Shield Material | Brass |
| Housing Material | Thermoplastic / UL94V-0 materials |
| Contact Plating | Gold options available |
| RoHS | Yes, RoHS-5 with lead in solder exemption |
2. Electrical Performance Specifications
| Parameter | Condition | Specification |
|---|---|---|
| OCL (Inductance) | @ 100 kHz, 0.1V, 8 mA DC Bias | ≥ 350 µH |
| Turns Ratio (Chip:Cable) | ±2% | 1CT : 1CT |
| Insertion Loss | 1–100 MHz | ≤ -1.0 dB |
| Return Loss | 1–30 MHz | ≥ -18 dB |
| Return Loss | 30–60 MHz | ≥ -18 - 20Log(F/30MHz) dB |
| Return Loss | 60–80 MHz | ≥ -12 dB |
| Cross Talk | 0.5–1 MHz / 10 MHz | ≥ -50 dB |
| Cross Talk | 30 MHz | ≥ -40 dB |
| Cross Talk | 50 MHz | ≥ -35 dB |
| Cross Talk | 100 MHz | ≥ -30 dB |
| CMR (Common Mode Rejection) | 0.3–1 MHz | ≥ -50 dB |
| CMR (Common Mode Rejection) | 10 MHz | ≥ -47 dB |
| CMR (Common Mode Rejection) | 30 MHz | ≥ -42 dB |
| CMR (Common Mode Rejection) | 60 MHz | ≥ -37 dB |
| CMR (Common Mode Rejection) | 100 MHz | ≥ -30 dB |
| CDMR (Common to Differential Mode Rejection) | 0.3–1 MHz / 10 / 30 MHz | ≥ -50 dB |
| CDMR | 60 MHz | ≥ -45 dB |
| CDMR | 100 MHz | ≥ -40 dB |
| HI-POT | 0.5 mA / 2 sec | 1500 Vrms |
AR11-3827I Gigabit RJ45 Connector Datasheet
1. AR11-3827I Datasheet - MECHANICAL
2. AR11-3827I Datasheet - SCHEMATICS
3. AR11-3827I Datasheet - PCB LAYOUT
AR11-3827I Single Port RJ45 Connector Material Details
This connector is built with durable materials intended for stable mechanical performance and long service life.
- Shield: 0.25 mm thick brass C2680, nickel-plated
- Housing: Nylon 66 / PBT / thermoplastic, glass-filled, UL94V-0, black
- RJ terminal plastic: Nylon 66, UL94V-0, black
- Pins: Phosphor bronze C5210, nickel and tin plating, with gold-plated options available
- Input terminal pin: SUS430, nickel and tin plating
Frequently Asked Questions about AR11-3827I RJ45 Magjack
This 10-pin Gigabit connector is the preferred choice for hardware designers seeking a balance between compact footprint and rugged environmental performance. With its integrated magnetics and right-angle through-hole mounting, it provides a stable, low-noise connection that prevents data loss in high-traffic networks.
1. What is the AR11-38271 used for?
AR11-38271 is used as a Gigabit RJ45 connector with integrated magnetics for 100/1000Base-T Ethernet applications.
2. Is AR11-38271 suitable for PoE?
No. This part is specified for Non-PoE applications.
3. Does the connector include LED indicators?
Yes. The product is listed as With LED, which supports port status indication.
4. What is the mounting style?
It uses a through-hole, right-angle mounting design.
5. What is the operating temperature range?
The connector supports -40°C to +85°C industrial temperature operation.
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