TE Connectivity 2029027-4 Rectangular Connector Plug Housing Equivalent & Substitute Parts

Part Overview

The TE Connectivity 2029027-4 is a 4-position rectangular connector plug housing from the VAL-U-LOK series. This component is a black polyamide housing designed for crimp contact termination with a 0.165" (4.20mm) pitch configuration. The part is classified as Active product status with full RoHS compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent rectangular connectors share identical electrical and mechanical parameters, including connector type, position count, pitch spacing, row configuration, mounting method, contact termination type, and operating temperature range. Alternative sources and color variations are available from the same manufacturer and qualified cross-platform suppliers.

Key Parameters

Parameter	Specification
Connector Type	Plug
Contact Type	Male Pin
Number of Positions	4
Pitch	0.165" (4.20mm)
Number of Rows	2
Row Spacing	0.165" (4.20mm)
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Fastening Type	Locking Ramp
Insulation Material	Polyamide (PA), Nylon
Operating Temperature	-40°C ~ 105°C

Substitute Part Grouping Explanation

Substitute parts for the 2029027-4 are qualified based on matching all critical electrical and mechanical parameters. The substitution criteria include:

Mandatory Matching Parameters:

Connector type: Plug
Contact type: Male Pin
Number of positions: 4
Pitch: 0.165" (4.20mm)
Number of rows: 2
Row spacing: 0.165" (4.20mm)
Mounting type: Free Hanging (In-Line)
Contact termination: Crimp
Fastening type: Locking Ramp
Operating temperature range: -40°C ~ 105°C
Insulation material: Polyamide (PA) or Nylon-based

Substitute parts may vary in color, series designation, manufacturer, and RoHS certification revision level while maintaining full functional and mechanical compatibility. All identified substitutes are Active product status with unlimited moisture sensitivity rating.

Parameter Comparison

Parameter	2029027-4 (Main)	1586000-4	1969604-4	0039013043
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	Molex
Series	VAL-U-LOK	VAL-U-LOK	VAL-U-LOK	Mini-Fit Jr 5559
Connector Type	Plug	Plug	Plug	Plug
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	4	4	4	4
Pitch	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)
Number of Rows	2	2	2	2
Row Spacing	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Contact Termination	Crimp	Crimp	Crimp	Crimp
Fastening Type	Locking Ramp	Locking Ramp	Locking Ramp	Locking Ramp
Color	Black	Natural	Natural	Natural
Insulation Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA66), Nylon 6/6
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active
Inventory Availability	904 Pcs	20117 Pcs	10982 Pcs	83174 Pcs

Engineering Selection Recommendations

All identified substitute parts maintain Active product status and meet or exceed RoHS compliance requirements. Selection between the main part and substitutes is determined by application-specific requirements:

TE Connectivity 2029027-4 (Black): Primary selection when black housing color is specified or required for visual identification or application aesthetics.

TE Connectivity 1586000-4 (Natural): Direct VAL-U-LOK series equivalent with natural color housing. Maintains identical electrical and mechanical specifications with ROHS3 compliance. Suitable for applications where color differentiation is not critical.

TE Connectivity 1969604-4 (Natural): Direct VAL-U-LOK series equivalent with natural color housing. Maintains identical electrical and mechanical specifications with ROHS3 compliance. Suitable for applications where color differentiation is not critical.

Molex 0039013043 (Natural): Cross-platform substitute from Mini-Fit Jr 5559 series. Meets all electrical and mechanical parameters with polyamide PA66 insulation material. ROHS3 compliant with REACH Unaffected status. Highest inventory availability. Suitable for applications requiring multi-source qualification.

All substitutes are rated for -40°C to 105°C operating temperature and feature unlimited moisture sensitivity rating. Contact termination is crimp-based across all options. Contacts are not included with any housing and must be sourced separately.

Frequently Asked Questions (FAQ)

Q: Can the 2029027-4 be directly replaced with the 1586000-4 or 1969604-4?

A: Yes. Both parts are TE Connectivity VAL-U-LOK series housings with identical electrical and mechanical specifications. The primary difference is housing color (black versus natural). All other parameters including pitch, position count, row configuration, mounting type, contact termination, and operating temperature are identical.

Q: Is the Molex 0039013043 a direct substitute for the 2029027-4?

A: The Molex 0039013043 meets all critical electrical and mechanical parameters required for substitution. It shares the same connector type, position count, pitch, row configuration, mounting method, contact termination, fastening type, and operating temperature range. The part belongs to a different series (Mini-Fit Jr 5559 versus VAL-U-LOK) and uses PA66 insulation material instead of standard PA. These differences do not affect functional compatibility when all specified parameters match.

Q: What is the significance of color differences between the black 2029027-4 and natural-colored substitutes?

A: Color is a visual characteristic only and does not affect electrical or mechanical function. Selection between black and natural color is based on application requirements, visual identification needs, or design specifications. All parts maintain identical performance characteristics.

Q: Are contacts included with these connector housings?

A: No. All listed parts are housings only. Contacts must be sourced separately and must match the 4-position, male pin, crimp termination specification.

Q: What is the difference between RoHS Compliant and ROHS3 Compliant?

A: Both designations indicate RoHS compliance. ROHS3 represents the current revision of the RoHS directive. All parts listed meet RoHS requirements and are suitable for applications requiring RoHS-compliant components.

Q: Can these connector housings be used interchangeably in the same assembly?

A: Yes, provided the application does not specify a particular color or series requirement. All parts share identical electrical and mechanical specifications, operating temperature range, and moisture sensitivity rating. Interchangeability is determined by design specifications and application requirements.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the lowest moisture sensitivity classification. These components can be stored and handled without special moisture control measures and have unlimited shelf life under normal conditions.

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