TE Connectivity 794077-1 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 794077-1 is a shrouded rectangular connector header designed for through-hole mounting in board-to-cable/wire applications. This connector features 20 positions arranged in 2 rows with a 0.163" (4.14mm) pitch and is part of the Mini-Universal MATE-N-LOK series. The part is classified as obsolete, making identification of active equivalent components essential for ongoing production and maintenance applications. Substitute parts must maintain identical electrical and mechanical specifications to ensure direct compatibility in existing designs.

Substiute Parts

794077-1

TE Connectivity AMP ConnectorsIn Stock: 1097794077-1 Datasheet

Current PartRFQ

1-794077-0

TE Connectivity AMP ConnectorsIn Stock: 13301-794077-0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of rectangular connector headers is determined by strict equivalence across electrical and mechanical parameters. The primary criteria for substitution include:

Critical Matching Parameters:

• Connector type (Header)
• Contact type (Male Pin)
• Number of positions (20)
• Number of rows (2)
• Pitch - mating (0.163" / 4.14mm)
• Row spacing - mating (0.163" / 4.14mm)
• Mounting type (Through Hole)
• Shrouding configuration (Shrouded - 4 Wall)
• Termination method (Solder)
• Voltage rating (600VAC)
• Operating temperature range (-20°C ~ 85°C)
• Material flammability rating (UL94 V-0)
• Series designation (Mini-Universal MATE-N-LOK)

The substitute part 1-794077-0 maintains all critical electrical and mechanical parameters identical to the main part 794077-1. The primary distinction is product status: 794077-1 is obsolete while 1-794077-0 is active, and contact finish specifications differ (Tin-Lead versus Tin). These differences do not affect functional compatibility in applications where the connector specifications are met.

Parameter Comparison

Engineering Selection Recommendations

The substitute part 1-794077-0 is the direct active equivalent for the obsolete 794077-1. Both parts maintain identical mechanical and electrical specifications across all critical parameters including connector geometry, pitch, row spacing, mounting configuration, and voltage/temperature ratings.

Product Status Consideration: The 794077-1 is classified as obsolete, while 1-794077-0 is active. For new designs and ongoing production, 1-794077-0 is the appropriate selection to ensure continued component availability and supply chain stability.

Compliance Consideration: The substitute part 1-794077-0 is RoHS compliant, whereas the main part 794077-1 is RoHS non-compliant. This distinction is relevant for applications subject to RoHS regulations. The contact finish difference (Tin versus Tin-Lead) reflects the RoHS compliance change and does not affect electrical or mechanical compatibility.

Packaging Consideration: The main part 794077-1 is supplied in standard packaging, while 1-794077-0 is supplied in bulk packaging. Packaging selection should be based on procurement and inventory requirements.

Frequently Asked Questions (FAQ)

Q: Can 1-794077-0 be used as a direct replacement for 794077-1?

A: Yes. The parts are electrically and mechanically equivalent across all critical specifications including connector type, position count, pitch, row spacing, mounting type, shrouding, termination method, voltage rating, and operating temperature range. The primary difference is product status: 794077-1 is obsolete while 1-794077-0 is active.

Q: What is the significance of the contact finish difference between Tin-Lead and Tin?

A: The contact finish difference reflects RoHS compliance status. The 794077-1 uses Tin-Lead finish (RoHS non-compliant), while 1-794077-0 uses Tin finish (RoHS compliant). Both finishes provide equivalent electrical and mechanical performance at the specified contact thickness of 150.0µin (3.81µm).

Q: Are there any dimensional differences between these parts?

A: No. Both parts share identical dimensions including pitch (0.163" / 4.14mm), row spacing (0.163" / 4.14mm), contact post length (0.175" / 4.45mm), and insulation height (0.531" / 13.50mm). They are mechanically interchangeable.

Q: What is the difference between standard and bulk packaging?

A: Packaging type affects order quantity and handling but does not impact connector specifications or performance. Standard packaging is used for 794077-1, while bulk packaging is used for 1-794077-0. Selection depends on procurement volume and inventory management requirements.

Q: Why should I select 1-794077-0 over 794077-1?

A: The 794077-1 is obsolete, making 1-794077-0 the recommended choice for new designs and ongoing production. The active status of 1-794077-0 ensures continued availability and supply chain support. Additionally, 1-794077-0 is RoHS compliant, which may be required for applications subject to regulatory requirements.

Q: Are both parts suitable for the same applications?

A: Yes. Both parts are rated for general-purpose board-to-cable/wire applications with identical electrical specifications (600VAC voltage rating) and operating temperature range (-20°C ~ 85°C). They are functionally equivalent for all applications where the connector specifications are met.

Q: What is the current rating for these connectors?

A: The current rating varies by wire gauge. Refer to the connector datasheet for specific current ratings based on the wire gauge used in your application.