RJSNEJ38P08 Modular Connector Jack 8P8C RJ45 Equivalent & Substitute Parts

Part Overview

The RJSNEJ38P08 is a modular connector jack manufactured by Amphenol ICC (Commercial Products) in the 8P8C (RJ45, Ethernet) category. This shielded, right-angle jack connector features through-hole solder termination with board lock functionality and dual LED indicators (Green-Red). The part operates across the temperature range of -40°C to 85°C and is RoHS compliant with MSL 1 rating.

The RJSNEJ38P08 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this connector type.

Substiute Parts

RJSNEJ38P08

Amphenol ICC (Commercial Products)In Stock: 786RJSNEJ38P08 Datasheet

Current PartRFQ

RJSAE538B08

Amphenol ICC (Commercial Products)In Stock: 937RJSAE538B08 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RJSNEJ38P08 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Connector type: Jack
• Contact configuration: 8P8C (RJ45, Ethernet)
• Mounting type: Through hole
• Orientation: 90° angle (right)
• Termination method: Solder
• Shielding: Shielded with EMI finger
• Contact material: Phosphor bronze
• Contact finish: Gold
• Housing material: Thermoplastic
• Number of ports: 8
• Number of rows: 2
• Tab direction: Up and down
• Board lock feature: Present
• RoHS compliance: Yes
• MSL rating: 1 (Unlimited)

The RJSAE538B08 meets all mandatory matching parameters and qualifies as a direct substitute. Differences in contact finish thickness (50.0µin vs. 30.0µin) and operating temperature range (-55°C to 85°C vs. -40°C to 85°C) represent enhanced specifications that do not preclude substitution. The RJSAE538B08 maintains active product status, ensuring ongoing availability and support.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: RJSAE538B08

The RJSAE538B08 is the qualified substitute for the obsolete RJSNEJ38P08. Selection is based on the following engineering criteria:

1. Functional Equivalence: Both parts are 8P8C (RJ45, Ethernet) jack connectors with identical mechanical and electrical interface specifications. Through-hole solder termination, right-angle orientation, and shielded construction with EMI finger are preserved.

2. Compliance Status: Both parts maintain RoHS compliance and MSL 1 rating. The RJSAE538B08 carries active product status, ensuring continued manufacturer support, quality assurance, and supply chain availability.

3. Enhanced Specifications: The RJSAE538B08 provides superior contact finish thickness (50.0µin vs. 30.0µin) and an extended lower operating temperature limit (-55°C vs. -40°C). These enhancements do not introduce incompatibility and support broader application requirements.

4. Packaging Consideration: The RJSAE538B08 is supplied in tray packaging, which is standard for production environments and supports automated assembly processes.

5. Inventory Status: The RJSAE538B08 maintains active inventory (863 pcs new original in stock), supporting immediate procurement without lead-time constraints.

Frequently Asked Questions (FAQ)

Q1: Can the RJSAE538B08 be used as a direct replacement for the RJSNEJ38P08 in existing designs?

A: Yes. The RJSAE538B08 meets all mandatory electrical and mechanical specifications for the RJSNEJ38P08. Pin configuration, contact arrangement, mounting footprint, and solder termination are identical. No design modification is required.

Q2: What is the significance of the contact finish thickness difference (30.0µin vs. 50.0µin)?

A: Contact finish thickness affects durability and wear resistance. The RJSAE538B08 provides 50.0µin (1.27µm) thickness compared to 30.0µin (0.76µm) in the RJSNEJ38P08. This enhanced thickness extends contact life and improves performance in high-cycle mating applications. This difference does not affect electrical compatibility.

Q3: Does the extended operating temperature range of the RJSAE538B08 (-55°C to 85°C) impact compatibility?

A: No. The RJSAE538B08 supports the full operating range of the RJSNEJ38P08 (-40°C to 85°C) and extends capability to lower temperatures. If your application operates within -40°C to 85°C, both parts perform identically. The extended range provides additional design flexibility for future applications.

Q4: Are there any packaging differences that affect component handling or assembly?

A: The RJSAE538B08 is supplied in tray packaging, which is standard for production environments. The RJSNEJ38P08 packaging specification was not provided. Tray packaging supports automated pick-and-place assembly and is compatible with standard manufacturing processes.

Q5: Why is the RJSNEJ38P08 classified as obsolete?

A: Obsolescence indicates the manufacturer has discontinued active production and support. The RJSAE538B08, as an active product from the same manufacturer, provides continuity and ensures access to current manufacturing quality standards and supply chain support.

Q6: Are both parts RoHS compliant?

A: Yes. Both the RJSNEJ38P08 and RJSAE538B08 are RoHS compliant with MSL 1 (Unlimited) moisture sensitivity rating. No additional handling or storage precautions are required beyond standard component management practices.

Q7: What is the LED indicator configuration difference between the two parts?

A: The RJSNEJ38P08 features Green-Red, Green LED indicators. The RJSAE538B08 features Red, Green-Red, Green indicators. Both configurations support dual-color LED signaling for network status indication. The difference does not affect connector functionality or electrical performance.