Modular Jack Components Bel Fuse 943-SP-370808SM2-A264 for Gigabit and 10 Gigabit Ethernet Networks
Stewart Connector - High-Performance Connectivity Solutions
Stewart Connector, a division of Bel Fuse Inc., 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. With a focus on Ethernet connectivity, Stewart Connector provides interconnect products including passive jacks, plugs, and cable assemblies for networking equipment and structured cabling systems. All products are engineered to meet current performance standards, including Category 6a regulations for Gigabit Ethernet and 10 Gigabit Ethernet applications. Bel Fuse Inc. is a NASDAQ company founded in 1949, headquartered in Jersey City, New Jersey, and committed to enabling global connectivity through advanced electronic components.
Company Profile
- Brand: Stewart Connector (Division of Bel Fuse Inc.)
- Parent Company: Bel Fuse Inc.
- Founded: 1949
- Headquarters: Jersey City, New Jersey
- Certifications: RoHS Compliant (with specific exemptions noted for lead in solder for certain applications)
- Manufacturing Facilities: Glen Rock, PA; Hangzhou, China
- Design Centers: Glen Rock, PA; Hangzhou, China
Product Categories
- Modular Jacks (Single Port Right Angle, Vertical/45 Degree, Stacked, Harmonica)
- ARJ45 Category 7a
- MRJ21 Cables & Assemblies
- MRJ21 48 Position Patch Panels
- Modular Plugs
- RJ point five Connectors
- Protective Sealant (EPP-918A)
Featured Products & Specifications
Single Port Modular Jacks
Designed for high-performance communication environments, including harsh conditions for mobile electronics. Available in various height configurations for versatility and reliability.
| Model | Performance | Contacts | Shield | Shield Type | Orientation | Current Rating | Voltage Rating |
|---|---|---|---|---|---|---|---|
| SS-60300-010 | 10G | 8 | Yes | PG4 | Horizontal (90) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS-60300-002 | CAT6a | 8 | Yes | PG4 | Horizontal (90) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS-60000-009 | CAT6 | 8 | Yes | NF | Horizontal (90) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS-60000-010 | CAT6 | 8 | No | NF | Horizontal (90) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS-64100-082 | Standard | 10 | Yes | NF | Horizontal (90) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS-60300-014 | CAT6a | 8 | Yes | PG4 | Vertical (180) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS-60000-007 | CAT6 | 8 | No | NF | Vertical (180) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS-71100-001 | CAT5e | 8 | Yes | NF | Angle (45) | 1.5 A (max) @ 25C | 150 VAC (max) |
| SS71800-027F | CAT5e | 8 | Yes | NF | Vertical (180) | 1.5 A (max) @ 25C | 150 VAC (max) |
ARJ45 Category 7a
A connector system for Category 7 and 7a premise wiring, supporting 10 Gigabit Ethernet and higher speeds up to 1000 MHz. Interface compatible with Nexans GG45 Connector System.
| Model | Performance | Contacts | Shield Type | Orientation | Port Opening |
|---|---|---|---|---|---|
| CA77-001M0-2 | CAT7a | N/A | N/A | N/A | N/A |
| CA76-001M0-2 | CAT6a | N/A | N/A | N/A | N/A |
| SS-77100-004 | CAT7a | 8 | PG4 | Horizontal (90) | Tab Up |
MRJ21 Cables & Assemblies
Designed for increased patch panel density in telecom and premise wiring. Supports Gigabit Ethernet, VoIP, and PoE applications. Features dense, double-bladed design for higher port density and robust construction.
| Model | Description | Cable Type | Shielding |
|---|---|---|---|
| MRJxxxxAF-A | 6 RJ45 Plugs to MRJ21 Angled | CMR | Unshielded |
| MRJxxxxDD-A | MRJ21 Straight to MRJ21 Straight | CMR | Unshielded |
| MRJxxxxAF-C | 6 RJ45 Plugs to MRJ21 Angled | CMP | Unshielded |
MRJ21 48 Position Patch Panels
High-density cabling devices that transition MRJ21 connectivity to traditional RJ45 ports. Available in 48-port versions for Gigabit Ethernet and 10/100 Base-T, fitting standard 19 racks.
| Model | Performance | Shield | Ports | Profile | Certifications |
|---|---|---|---|---|---|
| ASY21000-006 | 10/100/1000 BASE-T | Yes | 48 | 1 RU | UL listed |
| ASY21000-005 | 10/100 BASE-T | Yes | 48 | 1 RU | UL listed |
Modular Plugs
A wide array of RJ45 modular plugs, including next-generation shielded and unshielded CAT6a plugs with wire management systems for reliable patch cord assemblies. Designed to exceed TIA-568 and IEC 60603-7 performance specifications.
| Model | Performance | Contacts | Shield | Conductor Size | Cable Diameter |
|---|---|---|---|---|---|
| SS-39100-030 | CAT6a | 8 | No | .033-.037 (0.84mm-0.94mm) | .235 max (5.97mm max) |
| SS-39200-020 | CAT6a | 8 | Yes | .036-.042 (0.91mm-1.07mm) | .220-.240 (5.59mm-6.10mm) |
| SS-39100-008 | CAT6 | 8 | No | .036-.042 (0.91mm-1.07mm) | .220-.230 (5.59mm-5.84mm) |
| SS-37000-007 | CAT5e | 8 | No | .036-.042 (0.91mm-1.07mm) | .235 max (5.97mm max) |
| 940-SP-301010R | Standard | 10 | No | .032-.038 (0.81mm-0.97mm) | .235 max (5.97mm max) |
EPP-918A Protective Sealant
Improves durability and reliability for RJ11 and RJ45 modular jacks by preventing corrosion and wear from harsh environmental conditions and repetitive mating cycles. Withstands high temperatures and contains a UV tracer for visible inspection.
| Application | Benefits | Temperature Resistance | RoHS Compliance |
|---|---|---|---|
| RJ11 and RJ45 Modular Jacks | Moisture, humidity, corrosion resistance; shields against wear from mating forces. | In excess of 260 C for 10 seconds | Yes |
RJ point five Connectors
The next-generation Ethernet link, providing nearly double the port density compared to standard RJ45 solutions. Supports CAT5e applications and Gigabit Ethernet speeds, with potential for PoE Plus and 10GBase-T over CAT6a.
| Model | Performance | Shield | Conn End A | Conn End B | Wiring Pattern | Length |
|---|---|---|---|---|---|---|
| RJP50030AA-A | CAT5e | No | RJ point five Plug | RJ point five Plug | Standard | 3.0 meters |
| RJP50030AB-A | CAT5e | No | RJ point five Plug | RJ-45 Plug, Unshielded | Standard | 3.0 meters |
| RJP50050AA-A | CAT5e | No | RJ point five Plug | RJ point five Plug | Standard | 5.0 meters |
Harmonica Jacks
Space-saving modular jacks offering high reliability and performance for integrated data systems. Available in CAT3 to CAT5e, shielded and unshielded configurations. Enhanced shielding for EMI protection.
| Model | Performance | Shield | Shield Type | Ports | Port Opening |
|---|---|---|---|---|---|
| SS71800-035F | CAT5e | Yes | PG4 | 2 | Tab Down |
| SS-718804-NF | CAT5e | No | NF | 4 | Tab Down |
| SS66800-014F | Standard | Yes | NF | 3 | Tab Down |
Stacked Jacks
Space-saving StackJack modular jacks for integrated data systems. Available in CAT3 to CAT5e, shielded and unshielded configurations. Enhanced shielding for EMI protection and high normal force.
| Model | Performance | Shield | Shield Type | Ports | Rear Solder Tails |
|---|---|---|---|---|---|
| SS-73100-009 | CAT5e | Yes | NF | 4X4 | Off Center |
| SS-73100-013 | CAT5e | No | N/A | 4X4 | N/A |
| SS73100-060F | CAT5e | Yes | PG4 | 6X6 | On Center |
| SS7388H22S-PG4-AC-50 | Standard | Yes | PG4 | 2X2 | Off Center |
Custom designs are available on request. For specific application needs, please email techhelp@belf.com. Data sheets with electrical and mechanical specifications are available at stewartconnector.com.
2411041631_Bel-Fuse-943-SP-370808SM2-A264_C5569222.pdf