TE Connectivity 1-2029035-2 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-2029035-2 is a 12-position rectangular connector housing plug from the VAL-U-LOK series, designed for panel mount and snap-in applications. This connector features a 0.165" (4.20mm) pitch configuration with crimp contact termination and locking ramp fastening. The part is currently active in production status with 693 pieces available in inventory.

Substitute parts are necessary when the original part becomes unavailable, when alternative color options are required for application-specific needs, or when equivalent connectors from different manufacturers offer improved lead times or inventory availability.

Key Parameters

Parameter	Value
Connector Type	Plug
Contact Type	Male Pin
Number of Positions	12
Pitch	0.165" (4.20mm)
Number of Rows	2
Row Spacing	0.165" (4.20mm)
Mounting Type	Panel Mount, Snap-In
Contact Termination	Crimp
Fastening Type	Locking Ramp
Operating Temperature Range	-40°C to 105°C
Insulation Material	Polyamide (PA), Nylon
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 1-2029035-2 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Connector Type: Plug
Contact Type: Male Pin
Number of Positions: 12
Pitch: 0.165" (4.20mm)
Number of Rows: 2
Row Spacing: 0.165" (4.20mm)
Mounting Type: Panel Mount, Snap-In
Contact Termination: Crimp
Fastening Type: Locking Ramp
Operating Temperature Range: -40°C to 105°C
Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed meet these mandatory parameters. Variations in color (Black versus Natural), insulation material composition (PA versus PA66), series designation (VAL-U-LOK versus Mini-Fit Jr 5559), and product status (Active versus Obsolete) do not affect functional interchangeability for applications requiring a 12-position, 4.20mm pitch rectangular connector plug with crimp termination and locking ramp fastening.

Parameter Comparison

Parameter	1-2029035-2	1-1586018-2	1-1969599-2	1-794953-2	0039012121
Manufacturer	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	Molex
Connector Type	Plug	Plug	Plug	Plug	Plug
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	12	12	12	12	12
Pitch	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)
Number of Rows	2	2	2	2	2
Row Spacing	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)	0.165" (4.20mm)
Mounting Type	Panel Mount, Snap-In	Panel Mount, Snap-In	Panel Mount, Snap-In	Panel Mount, Snap-In	Panel Mount, Snap-In
Contact Termination	Crimp	Crimp	Crimp	Crimp	Crimp
Fastening Type	Locking Ramp	Locking Ramp	Locking Ramp	Locking Ramp	Locking Ramp
Color	Black	Natural	Natural	Natural	Natural
Insulation Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA66), Nylon 6/6	Polyamide (PA), Nylon	Polyamide (PA66), Nylon 6/6
Operating Temperature	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Obsolete	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Series	VAL-U-LOK	VAL-U-LOK	VAL-U-LOK	VAL-U-LOK	Mini-Fit Jr 5559
Inventory (Pcs)	693	3482	3888	1604	17827

Engineering Selection Recommendations

TE Connectivity 1-1586018-2 (Active Status) This part is functionally equivalent to the 1-2029035-2 with active product status and higher inventory availability (3482 pieces). The primary difference is color designation (Natural versus Black). Both parts carry ROHS3 compliance and identical electrical and mechanical specifications. Selection of this part is appropriate when color differentiation is not a design requirement.

TE Connectivity 1-1969599-2 (Obsolete Status) This part meets all functional equivalence criteria but carries obsolete product status. While inventory is available (3888 pieces), this part should be selected only when existing designs specifically require VAL-U-LOK series compatibility and active alternatives are insufficient. The insulation material is specified as PA66 (Nylon 6/6) rather than PA.

TE Connectivity 1-794953-2 (Active Status) This part is functionally equivalent with active product status and adequate inventory (1604 pieces). It is suitable for direct substitution with the 1-2029035-2 when color variation is acceptable. ROHS3 compliance is confirmed.

Molex 0039012121 (Active Status) This part is functionally equivalent across all critical parameters with active product status and the highest inventory availability (17827 pieces). The connector belongs to the Mini-Fit Jr 5559 series rather than VAL-U-LOK. The insulation material is specified as PA66 (Nylon 6/6). This part is suitable for applications where cross-manufacturer compatibility is acceptable and superior lead times are required. REACH status is confirmed as Unaffected.

Frequently Asked Questions (FAQ)

Q: Can I substitute the TE Connectivity 1-2029035-2 with any of the listed alternatives?

A: All listed parts are functionally equivalent based on mandatory electrical and mechanical parameters: 12-position plug configuration, 0.165" (4.20mm) pitch, 2-row layout, crimp termination, and locking ramp fastening. Substitution is valid when these parameters are required by the application. Color differences (Black versus Natural) do not affect functional performance.

Q: What is the difference between the TE Connectivity VAL-U-LOK series and the Molex Mini-Fit Jr 5559 series?

A: Both series meet identical electrical and mechanical specifications for this 12-position, 4.20mm pitch connector configuration. The series designation reflects different product families from different manufacturers. The Molex part (0039012121) is functionally interchangeable for applications requiring these specific parameters.

Q: Why is the TE Connectivity 1-1969599-2 marked as obsolete?

A: Obsolete status indicates the part is no longer in active production. However, inventory remains available. This part should be selected only when existing designs require VAL-U-LOK series compatibility and active alternatives do not meet specific requirements.

Q: Are there any compliance differences between these substitute parts?

A: All parts are RoHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited). The Molex part (0039012121) has confirmed REACH Unaffected status. All parts operate across the identical temperature range of -40°C to 105°C.

Q: What is the significance of insulation material differences (PA versus PA66)?

A: Both Polyamide (PA) and Polyamide (PA66/Nylon 6/6) are acceptable insulation materials for this connector category. The material composition does not affect functional interchangeability for the specified electrical and mechanical parameters.

Q: Which substitute part offers the best inventory availability?

A: The Molex 0039012121 offers the highest inventory availability with 17827 pieces in stock, followed by the TE Connectivity 1-1969599-2 with 3888 pieces and the TE Connectivity 1-1586018-2 with 3482 pieces.

Q: Can I use these parts interchangeably in existing designs?

A: Yes, all listed parts are functionally equivalent and can be used interchangeably in designs requiring a 12-position, 4.20mm pitch rectangular connector plug with crimp termination and locking ramp fastening. Physical form factor, mounting interface, and contact compatibility are identical across all alternatives.

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