TE Connectivity 1-794637-2 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-794637-2 is a Micro MATE-N-LOK rectangular connector header designed for surface mount applications. This 12-position, 2-row connector operates at 250V with an operating temperature range of -40°C to 105°C and features gold-plated mating contacts with tin-lead post finishes. The connector is classified as Active product status and serves general-purpose board-to-cable/wire interconnection applications. Identification of equivalent and substitute parts is necessary to address packaging requirements, compliance certifications, and inventory availability across manufacturing and procurement workflows.

Substiute Parts

1-794637-2

TE Connectivity AMP ConnectorsIn Stock: 8351-794637-2 Datasheet

Current PartRFQ

4-794637-2

TE Connectivity AMP ConnectorsIn Stock: 61784-794637-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1-794637-2 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Pitch - Mating: 0.118" (3.00mm)
• Number of Positions: 12
• Number of Rows: 2
• Row Spacing - Mating: 0.118" (3.00mm)
• Voltage Rating: 250V
• Operating Temperature Range: -40°C ~ 105°C
• Contact Finish - Mating: Gold

Mechanical Compatibility Parameters:

• Connector Type: Header
• Contact Type: Male Pin
• Mounting Type: Surface Mount
• Shrouding: Shrouded - 4 Wall
• Termination: Solder
• Fastening Type: Locking Ramp
• Insulation Material: Polyamide (PA), Nylon
• Insulation Height: 0.364" (9.25mm)
• Contact Shape: Square
• Contact Material: Brass

Functional Parameters:

• Series: Micro MATE-N-LOK
• Style: Board to Cable/Wire
• Features: Solder Retention
• Applications: General Purpose

The substitute part 4-794637-2 maintains full equivalence across all electrical and mechanical parameters. The primary distinction is packaging format: the main part number 1-794637-2 is supplied in standard packaging, while 4-794637-2 is supplied in Tape & Reel (TR) format. Secondary differences include RoHS compliance status and post contact finish material specification.

Parameter Comparison

Engineering Selection Recommendations

Part Selection Based on Compliance and Certification:

The 4-794637-2 substitute part is functionally and mechanically equivalent to the 1-794637-2 main part across all critical electrical and mechanical parameters. The primary differentiators are:

1. Packaging Format: The 4-794637-2 is supplied in Tape & Reel (TR) format, suitable for automated assembly processes. The 1-794637-2 is supplied in standard packaging. Selection between these variants depends on manufacturing process requirements and assembly automation capabilities.

2. RoHS Compliance: The 4-794637-2 is ROHS3 compliant, while the 1-794637-2 is RoHS non-compliant. Applications subject to RoHS regulatory requirements must utilize the 4-794637-2 variant.

3. Post Contact Finish: The 1-794637-2 features tin-lead post finish, while the 4-794637-2 features tin post finish. Both specifications maintain equivalent electrical performance and solder joint reliability for the stated operating conditions.

4. Inventory Availability: The 4-794637-2 maintains higher inventory levels (6166 Pcs) compared to the 1-794637-2 (725 Pcs), supporting supply chain continuity for high-volume production requirements.

Both parts maintain identical electrical ratings, operating temperature ranges, and mechanical dimensions. Selection should be based on specific manufacturing process requirements, regulatory compliance mandates, and supply chain logistics.

Frequently Asked Questions (FAQ)

Q: Are the 1-794637-2 and 4-794637-2 electrically interchangeable?

A: Yes. Both parts maintain identical electrical specifications including 250V voltage rating, -40°C to 105°C operating temperature range, 12-position configuration with 0.118" (3.00mm) pitch, and gold-plated mating contacts. Electrical performance is equivalent across all rated conditions.

Q: What is the primary difference between these two part numbers?

A: The primary difference is packaging format. The 1-794637-2 is supplied in standard packaging, while the 4-794637-2 is supplied in Tape & Reel (TR) format for automated assembly processes. Secondary differences include RoHS compliance status and post contact finish material composition.

Q: Can I use the 4-794637-2 in place of the 1-794637-2 in my design?

A: Yes, the 4-794637-2 is a direct functional substitute for the 1-794637-2. Mechanical dimensions, electrical ratings, and connector interface specifications are identical. The 4-794637-2 additionally provides ROHS3 compliance, making it suitable for applications with RoHS regulatory requirements.

Q: Does the difference in post contact finish (tin-lead vs. tin) affect performance?

A: No. Both tin-lead and tin post finishes provide equivalent electrical performance and solder joint reliability for the stated operating conditions and voltage ratings. The selection between these finishes is determined by manufacturing process requirements and regulatory compliance mandates.

Q: Which part should I select for high-volume automated assembly?

A: The 4-794637-2 is recommended for high-volume automated assembly due to its Tape & Reel (TR) packaging format, which is optimized for pick-and-place equipment. The 4-794637-2 also maintains higher inventory availability (6166 Pcs) supporting production continuity.

Q: Are there any mechanical dimension differences between these parts?

A: No. Both parts maintain identical mechanical specifications including 0.364" (9.25mm) insulation height, 0.118" (3.00mm) pitch and row spacing, square contact shape, and shrouded 4-wall configuration. PCB footprints and mating interface dimensions are identical.

Q: What is the significance of the RoHS compliance difference?

A: The 4-794637-2 is ROHS3 compliant, while the 1-794637-2 is RoHS non-compliant. Applications subject to RoHS regulatory requirements, including European Union markets and certain industrial sectors, must utilize the 4-794637-2 variant to maintain regulatory compliance.

Q: Can I mix these part numbers in the same assembly?

A: Yes. Both parts are electrically and mechanically equivalent and can be used interchangeably within the same assembly. However, for supply chain traceability and quality documentation purposes, maintaining consistent part number usage within a single production lot is recommended.

Q: What is the Moisture Sensitivity Level (MSL) for both parts?

A: Both the 1-794637-2 and 4-794637-2 are classified as MSL 1 (Unlimited), indicating no moisture sensitivity limitations. These parts do not require special moisture control handling or storage conditions.