TE Connectivity 770966-1 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 770966-1 is a right-angle rectangular connector header from the Mini-Universal MATE-N-LOK series. This through-hole, shrouded 2-position connector is designed for board-to-cable/wire applications with solder termination and locking ramp fastening. The part is designated as Last Time Buy, indicating discontinued production status. Identification of equivalent substitute parts is necessary to support ongoing procurement requirements and ensure design continuity for applications currently utilizing this connector.

Substiute Parts

770966-1

TE Connectivity AMP ConnectorsIn Stock: 225873770966-1 Datasheet

Current PartRFQ

1-770966-0

TE Connectivity AMP ConnectorsIn Stock: 23151-770966-0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 770966-1 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Series: Mini-Universal MATE-N-LOK
• Number of Positions: 2
• Pitch - Mating: 0.163" (4.14mm)
• Connector Type: Header
• Contact Type: Male Pin
• Mounting Type: Through Hole, Right Angle
• Shrouding: Shrouded - 4 Wall
• Termination: Solder
• Voltage Rating: 600VAC
• Operating Temperature Range: -20°C ~ 85°C
• Material Flammability Rating: UL94 V-0

The substitute part 1-770966-0 meets all mandatory matching parameters. Variations in contact finish composition (Tin-Lead versus Tin) and regulatory compliance status (RoHS and REACH) do not affect electrical or mechanical interchangeability within the specified operating envelope.

Parameter Comparison

Engineering Selection Recommendations

The substitute part 1-770966-0 is electrically and mechanically equivalent to the 770966-1 across all functional parameters. Both connectors share identical mating pitch, contact configuration, mounting geometry, and electrical ratings.

Product Status Consideration: The 770966-1 is designated Last Time Buy, indicating end-of-life status. The 1-770966-0 is in Active production status, ensuring long-term availability and supply chain continuity.

Compliance Advantage: The 1-770966-0 is RoHS Compliant, whereas the 770966-1 is RoHS non-compliant. For applications subject to RoHS directives or customer requirements mandating RoHS compliance, the 1-770966-0 provides regulatory alignment without functional compromise.

Contact Finish Difference: The 770966-1 features Tin-Lead contact finish, while the 1-770966-0 uses Tin finish. Both finishes meet the specified contact finish thickness of 150.0µin (3.81µm) and deliver equivalent electrical performance within the 600VAC, -20°C to 85°C operating envelope.

Selection of the 1-770966-0 as a direct substitute is supported by identical electrical specifications, mechanical dimensions, and functional performance characteristics.

Frequently Asked Questions (FAQ)

Q: Are the 770966-1 and 1-770966-0 connectors mechanically interchangeable?

A: Yes. Both connectors share identical mating pitch (0.163" / 4.14mm), 2-position configuration, through-hole right-angle mounting, shrouded 4-wall design, and all dimensional parameters including contact length and insulation height. They are mechanically interchangeable in board-to-cable/wire applications.

Q: What is the difference between Tin-Lead and Tin contact finishes?

A: The 770966-1 uses Tin-Lead contact finish, while the 1-770966-0 uses Tin finish. Both are applied at 150.0µin (3.81µm) thickness. Both finishes provide equivalent electrical conductivity and corrosion resistance within the specified operating temperature range of -20°C to 85°C and voltage rating of 600VAC.

Q: Why is the 770966-1 marked as Last Time Buy?

A: Last Time Buy designation indicates that the manufacturer has discontinued production of this part number. The 1-770966-0 is the active production equivalent and is recommended for new designs and ongoing procurement to ensure supply availability.

Q: Does the RoHS compliance difference affect electrical performance?

A: No. RoHS compliance status reflects manufacturing process and material sourcing requirements, not electrical or mechanical performance. Both connectors deliver identical electrical specifications and operating characteristics. The 1-770966-0 RoHS Compliant status provides regulatory advantage for applications subject to RoHS directives.

Q: Can I use the 1-770966-0 as a direct replacement in existing designs using the 770966-1?

A: Yes. The 1-770966-0 is a direct substitute with identical electrical ratings (600VAC), operating temperature range (-20°C to 85°C), contact configuration, mating pitch, and mechanical mounting. No design modification is required.

Q: What is the current rating for these connectors?

A: Current rating varies by wire gauge. Refer to the connector datasheet and wire gauge selection tables provided by TE Connectivity for specific current capacity at your selected wire gauge.

Q: Are both connectors suitable for general-purpose applications?

A: Yes. Both the 770966-1 and 1-770966-0 are rated for general-purpose applications with UL94 V-0 material flammability rating and board lock features for secure mounting.