Molex 0761650604 Equivalent & Substitute Parts

Part Overview

The Molex 0761650604 is a 144-position backplane connector header with male pins for through-hole PCB mounting. This component features press-fit termination, gold-plated contacts, and is designed for differential pair applications with 48 differential pairs in a 9×16 configuration. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring compatible interconnect solutions.

Key Parameters

Parameter	Value
Manufacturer Part Number	0761650604
Manufacturer	Molex
Category	Backplane Connectors
Connector Type	Header, Male Pins
Number of Positions	144
Pitch	0.053" (1.35mm)
Configuration	9 Rows × 16 Columns
Mounting Type	Through Hole
Termination	Press-Fit
Contact Finish	Gold, 30.0µin (0.76µm)
Operating Temperature	-55°C ~ 85°C
Voltage Rating	30V
Material Flammability	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the Molex 0761650604 is determined by the following critical parameters:

Primary Compatibility Criteria:

Number of positions: 144
Connector type: Header, Male Pins
Mounting type: Through Hole
Termination method: Press-Fit
Configuration: 9 Rows × 16 Columns
Material flammability: UL94 V-0

Secondary Considerations:

Pitch tolerance (0.053" vs. 0.075")
Contact finish (Gold plating)
Operating temperature range
Voltage rating
RoHS compliance status

The substitute parts are grouped into two categories:

Category 1: Direct Molex Series Equivalent

Part 0761651604: Same series (Impact 76165), identical electrical and mechanical specifications, active product status with tray packaging

Category 2: TE Connectivity AMP Connectors (Z-PACK TinMan Series)

Parts 1934343-1, 1934344-1, 1934345-1, 1934346-1: Alternative manufacturer solutions with 144 positions, through-hole mounting, and press-fit termination. These parts feature a larger pitch (0.075" vs. 0.053") and higher voltage rating (250V vs. 30V), requiring PCB layout verification for pitch compatibility.

Category 3: TE Connectivity Impact Series

Part 2007804-3: Impact connector style matching the original design intent, with comparable pitch (0.075" vs. 0.053") and active product status.

Parameter Comparison

Parameter	0761650604 (Main)	0761651604	1934343-1	1934344-1	1934345-1	1934346-1	2007804-3
Manufacturer	Molex	Molex	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity
Series	Impact 76165	Impact 76165	Z-PACK TinMan	Z-PACK TinMan	Z-PACK TinMan	Z-PACK TinMan	Impact
Positions	144	144	144	144	144	144	144
Pitch	0.053" (1.35mm)	0.053" (1.35mm)	0.075" (1.90mm)	0.075" (1.90mm)	0.075" (1.90mm)	0.075" (1.90mm)	0.075" (1.91mm)
Configuration	9×16	9×16	9×16	9×16	9×16	9×16	9×16
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Press-Fit	Press-Fit	Press-Fit	Press-Fit	Press-Fit	Press-Fit	Press-Fit
Contact Finish	Gold, 30.0µin	Gold, 30.0µin	Not specified	Gold, 30.0µin	Not specified	Gold, 30.0µin	Gold, 30.0µin
Operating Temperature	-55°C ~ 85°C	-55°C ~ 85°C	-65°C ~ 90°C	-65°C ~ 90°C	-65°C ~ 90°C	-65°C ~ 90°C	-55°C ~ 85°C
Voltage Rating	30V	30V	250V	250V	250V	250V	Not specified
Current Rating	Not specified	Not specified	0.5A	0.5A	0.5A	0.5A	Not specified
Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Inventory Availability	793 Pcs	1115 Pcs	1094 Pcs	976 Pcs	977 Pcs	1437 Pcs	769 Pcs

Engineering Selection Recommendations

For Direct Replacement (Preferred): Select Molex 0761651604 when exact electrical and mechanical compatibility is required. This part maintains identical pitch (0.053"), voltage rating (30V), and operating temperature range (-55°C ~ 85°C) as the original 0761650604. Both parts are ROHS3 compliant with UL94 V-0 flammability rating. The 0761651604 is active in production with higher inventory availability (1115 pcs vs. 793 pcs), ensuring supply continuity.

For Alternative Manufacturer Solutions: TE Connectivity AMP Connectors parts (1934343-1, 1934344-1, 1934345-1, 1934346-1) provide functionally equivalent 144-position backplane connectors with through-hole press-fit termination. These parts feature a larger pitch (0.075" vs. 0.053"), which requires PCB layout verification to confirm hole spacing compatibility. The TE parts offer extended operating temperature range (-65°C ~ 90°C) and higher voltage rating (250V), providing additional design margin. All TE alternatives are active products with robust inventory levels.

For Impact Connector Style Preference: TE Connectivity 2007804-3 maintains the Impact connector style of the original design while offering active product status and comparable specifications. The pitch difference (0.075" vs. 0.053") requires PCB verification.

Compliance Considerations: All substitute parts meet UL94 V-0 flammability requirements and RoHS compliance standards. The original part (0761650604) and direct equivalent (0761651604) are ROHS3 compliant. TE Connectivity alternatives carry RoHS or ROHS3 compliance, suitable for regulated applications.

Frequently Asked Questions (FAQ)

Q: Can I use TE Connectivity parts as direct replacements for the Molex 0761650604?

A: TE Connectivity parts are functionally equivalent in terms of position count (144), connector type (header, male pins), mounting method (through-hole), and termination (press-fit). However, the pitch difference (0.075" vs. 0.053") requires PCB layout verification. The hole spacing on your existing PCB must accommodate the larger pitch before substitution.

Q: What is the primary difference between the Molex 0761650604 and 0761651604?

A: Both parts are from the same Impact 76165 series with identical electrical and mechanical specifications. The main difference is product status: 0761650604 is obsolete while 0761651604 is active in production. The 0761651604 also features tray packaging versus the original's unspecified packaging.

Q: Are the TE Connectivity Z-PACK TinMan parts (1934343-1, 1934344-1, 1934345-1, 1934346-1) interchangeable?

A: These four TE parts share identical core specifications: 144 positions, 0.075" pitch, 9×16 configuration, through-hole mounting, and press-fit termination. Differences exist in contact finish (some specify gold plating, others do not) and connector style designation (standard vs. high-speed). Selection depends on your specific contact finish requirements and application performance needs.

Q: Does pitch compatibility require PCB redesign?

A: Pitch compatibility depends on your PCB hole pattern. If your existing PCB is designed for 0.053" pitch (Molex original), substituting a 0.075" pitch connector (TE alternatives) will not align with the drilled holes. PCB redesign or layout modification is necessary for pitch-incompatible substitutes.

Q: Which substitute part offers the best long-term availability?

A: Molex 0761651604 is the recommended choice for long-term availability, as it is the direct equivalent from the original manufacturer with active product status. TE Connectivity alternatives (1934343-1, 1934344-1, 1934345-1, 1934346-1, 2007804-3) are also active products with strong inventory levels, providing secondary sourcing options.

Q: Are all substitute parts RoHS compliant?

A: Yes. The original Molex 0761650604 and direct equivalent 0761651604 are ROHS3 compliant. TE Connectivity alternatives carry RoHS or ROHS3 compliance, meeting regulatory requirements for restricted substance use.

Q: What is the significance of the contact finish difference?

A: The original part and most TE alternatives specify gold plating at 30.0µin (0.76µm) thickness, ensuring consistent contact resistance and corrosion protection. Some TE parts (1934343-1, 1934345-1) do not specify contact finish in the provided data. Verify contact finish specifications with the manufacturer if your application requires specific contact resistance or environmental protection.

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