634108185521 8P8C Low Profile RJ45 Connector CAT 3 SMT Modular Jack

Product Overview

The 634108185521 8P8C Low Profile RJ45 Jack manufactured by LINK-PP is a premium-grade Surface Mount Technology (SMT) Ethernet connector specifically engineered for high-density printed circuit board (PCB) layouts. Featuring a compact, low-profile design, this CAT 3 modular jack ensures reliable signal transmission and structural stability for modern telecom equipment and networking devices. Fully compliant with UL, RoHS, REACH, and ISO standards, it is the optimal choice for engineers seeking space-saving and durable connectivity solutions.

Key Features

• Space-Optimized Low Profile Design: The reduced height of the 634108185521 connector makes it highly suitable for slim devices and compact telecom enclosures without compromising structural integrity.
• Automated Assembly Ready: SMT (Surface Mount) pins are designed for pick-and-place automated manufacturing, significantly reducing assembly time and labor costs.
• Robust 8P8C Configuration: Guarantees stable and reliable Ethernet connectivity and continuous data transmission for critical telecom infrastructure.
• Strict Quality Control: Manufactured under ISO guidelines and fully RoHS/REACH compliant, ensuring environmental safety and global market access.

 Key Specifications of 634108185521 Low Profile RJ45 Modular Jack

1. Technical Specifications 

2. Electrical Characteristics

3. Mechanical Dimensions

4. Materials & Compliance

5. Packaging & Ordering

634108185521 Datasheet

Applications of 634108185521 Low Profile RJ45 Connector

The 634108185521 SMT RJ45 Jack is highly versatile and widely deployed in various networking and communication systems, including:

▶ Telecom Equipment

Suitable for:

• Communication terminals
• Network gateways
• Access equipment

▶ Industrial Ethernet Devices

Used in:

• Industrial controllers
• Automation systems
• Embedded networking products

▶ Compact Consumer Electronics

Ideal for:

• Small form-factor networking devices
• Smart appliances
• IoT hardware

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Q&A

1. What is a low profile RJ45 connector?

A low profile RJ45 connector is a compact Ethernet modular jack designed with reduced vertical height compared with standard RJ45 connectors. It is commonly used in devices where PCB space and enclosure size are limited.

2. Is 634108185521 an SMT RJ45 connector?

Yes. The 634108185521 is an SMT (Surface Mount Technology) RJ45 modular jack designed for direct PCB surface mounting.

3. What does 8P8C mean in an RJ45 connector?

8P8C refers to eight positions and eight contacts. It is the common interface configuration used for Ethernet modular connectors.

4. Does 634108185521 include integrated magnetics?

No. This model is a connector-only RJ45 jack without integrated transformer or Ethernet magnetics.

5. What applications require low profile RJ45 connectors?

Low profile RJ45 connectors are commonly used in telecom equipment, industrial Ethernet systems, embedded devices, and compact networking hardware where PCB height is restricted.

6. Can this RJ45 connector support automated PCB assembly?

Yes. The SMT design allows compatibility with automated surface mount assembly processes.

7. What is the difference between SMT and through-hole RJ45 connectors?

SMT RJ45 connectors are mounted directly on PCB surface pads, enabling automated assembly and compact designs, while through-hole connectors require drilled PCB holes and provide stronger mechanical retention.