Stewart Connector: High-Performance Connectivity Solutions

Stewart Connector offers a comprehensive portfolio of passive connectors, premise wiring, and ICM MagJack Active connectors designed to meet the demanding requirements of high-performance communication environments. Our products are engineered for networking equipment, structured cabling systems, and emerging technologies enabling high-speed communication. With a focus on quality and reliability, Stewart Connector products are designed to meet current performance standards, including Category 6a regulations for Gigabit Ethernet and 10Gigabit Ethernet applications.

Product Attributes

• Brand: Stewart Connector
• Parent Company: Bel Fuse Inc.
• Certifications/Compliance: RoHS Compliant, UL 94V-0 rated housing material, DUXR2 and DUXR8 certified (Harmonica/Stacked Jacks)
• Manufacturing Locations: Glen Rock, PA and Hangzhou, China
• Headquarters: Jersey City, New Jersey
• Company Founded: 1949
• Global Presence: Facilities in North America, Asia, and Europe; employs over 10,000 people worldwide.

Technical Specifications

Modular Jacks

General Specifications:

Single Port Right Angle Modular Jacks (Examples):

Single Port Vertical / 45 Degree Modular Jacks (Examples):

ARJ45 Category 7a

Specifications / Design Features:

• Designed for frequencies up to & beyond 1,000 MHz.
• Interface compatible with Nexans GG45 Connector System.
• Patented plug design allows for port density equivalent to standard RJ45 connectors.
• Plug design includes integral slim line strain relief with built-in latch protection.
• Uses data pair isolation technology for high-frequency performance.
• Offers beyond 10GBase-T performance capabilities.

ARJ45 CAT7a Cables (Examples):

ARJ45 CAT7a Connectors (Examples):

MRJ21 Cables & Patch Panels

MRJ21 Cable Assemblies (Examples):

* xxxx denotes desired cable length from 0.5 to 100.0 meters, in 0.5 meter increments.

MRJ21 48 Position Patch Panels (Examples):

Modular Plugs

Modular Plugs (Examples):

EPP-918A Protective Sealant

Specifications / Design Features:

• Improves durability and reliability for RJ11 and RJ45 modular jacks.
• Helps prevent corrosion from harsh environmental conditions.
• Withstands high temperature soldering (in excess of 260 C for 10 seconds).
• Low Level Contact Resistance testing to 10K cycles with no measurable change to gold plated contacts.
• Contains a UV tracer for visible inspection of the EPP-918A coating on the contacts.
• Can be used with any Stewart jack to increase durability and reliability.
• RoHS compliant.

Connectors with Protective Sealant (Examples):

RJ point five Connectors

Specifications / Design Features:

• Designed for up to CAT5e applications.
• Provides nearly double the port density compared to standard RJ45 connector solutions.
• Plug release pull tab readily accessible for ease of removal.
• LED light travels through the plug via fiber optic light pipes.
• Contains an integrated cable strain relief and plug shield.
• Modular receptacle design allows for quick and easy deployment of product extensions.
• Supports Gigabit Ethernet speeds for CAT5e cabling.
• Supports PoE Plus and provides a migration path to 10GBase-T over CAT6a applications.

RJ point five Cable Assemblies (Examples):

RJ point five Connectors (Examples):

Harmonica Jacks

Specifications / Design Features:

• CAT3 to CAT5e connectors available in shielded and unshielded configurations.
• Provides 100 g of Contact Normal Force (minimum).
• Jack dimensions meet FCC requirements when plated with 50 microinches of gold.
• Available in high temperature plastics to meet new manufacturing requirements.
• Enhanced shielding provides optimum protection against EMI.
• Unique panel tabs provide high normal force for superior shielding effectiveness.
• Longer springs allow repeated insertions/withdrawals.
• Can be equipped with EPP-918A contact dressing for increased durability.

Harmonica Jacks (Examples):

Stacked Jacks

Specifications / Design Features:

• CAT3 to CAT5e connectors available in shielded and unshielded configurations.
• Provides 100 g of Contact Normal Force (minimum).
• Jack dimensions meet FCC requirements when plated with 50 microinches of gold.
• Meets RoHS and REACH requirements.
• Plastics are high temperature to meet new manufacturing requirements.
• Enhanced shielding provides optimum protection against EMI.
• Unique panel tabs provide high normal force for superior shielding effectiveness.
• Longer springs allow repeated insertions/withdrawals.
• Can be equipped with EPP-918A contact dressing for increased durability.

Stacked Jacks (Examples):

Company Information

Stewart Connector is part of Bel Fuse Inc., a NASDAQ company founded in 1949. Bel specializes in manufacturing electronic components for the computer, networking, and telecommunication industries, enabling global connectivity and high-speed communication. Stewart Connector focuses on passive connectors, premise wiring, and ICM MagJack Active connectors. Design centers are located in Glen Rock, PA and Hangzhou, China, with manufacturing facilities in Glen Rock, PA.

Contact Information:

• Phone: +1 717.235.7512
• Email: techhelp@belf.com
• Website: stewartconnector.com