TE Connectivity AMP Connectors 794542-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 794542-4 is a 4-position rectangular connector plug housing with 0.165" (4.20mm) pitch, designed for free-hanging in-line applications. This connector belongs to the AMP-DUAC series and features crimp contact termination with locking ramp fastening. The part is classified as obsolete, making identification of active equivalent and substitute components essential for ongoing production and maintenance applications. Substitute parts must maintain identical electrical and mechanical parameters to ensure direct compatibility in existing designs.

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
Color	Natural
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of rectangular connector housings is determined by strict equivalence across all mechanical and electrical parameters. The following criteria establish valid substitutes for the 794542-4:

Critical 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 method (Crimp)
Fastening type (Locking Ramp)
Housing color (Natural)
Moisture sensitivity level (MSL 1)

All identified substitute parts meet these parameters. Substitutes are grouped into two categories: TE Connectivity AMP-DUAC series alternatives (1586000-4 and 1969604-4 from the VAL-U-LOK series) and cross-manufacturer alternatives (0039013043 from Molex Mini-Fit Jr 5559 series).

Parameter Comparison

Parameter	794542-4 (Main)	1586000-4	1969604-4	0039013043
Manufacturer	TE Connectivity	TE Connectivity	TE Connectivity	Molex
Series	AMP-DUAC	VAL-U-LOK	VAL-U-LOK	Mini-Fit Jr 5559
Product Status	Obsolete	Active	Active	Active
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	Natural	Natural	Natural	Natural
Insulation Material	Not specified	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA66), Nylon 6/6
Operating Temperature	Not specified	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory Status	879 Pcs	20117 Pcs	10982 Pcs	83174 Pcs

Engineering Selection Recommendations

TE Connectivity VAL-U-LOK Series (1586000-4 and 1969604-4): Both parts are active TE Connectivity products from the VAL-U-LOK series and represent the primary substitutes for the obsolete 794542-4. These parts maintain identical mechanical and electrical specifications while offering ROHS3 compliance and documented operating temperature ranges. The VAL-U-LOK series provides direct functional replacement with enhanced compliance documentation. Part 1586000-4 offers the highest inventory availability (20117 units), while 1969604-4 provides an alternative within the same manufacturer ecosystem (10982 units).

Molex Mini-Fit Jr 5559 Series (0039013043): This cross-manufacturer substitute meets all critical mechanical and electrical parameters and is ROHS3 compliant with REACH Unaffected status. The Molex part offers the highest inventory availability (83174 units) and represents a viable alternative for applications where cross-manufacturer compatibility is acceptable. The insulation material differs slightly (PA66 versus PA), but both materials meet the specified operating temperature range of -40°C to 105°C.

Selection Basis:

All three substitute parts satisfy the mandatory electrical and mechanical parameters
All substitutes are active products with documented compliance certifications
Selection should prioritize supply chain continuity and existing design validation
The obsolete status of 794542-4 necessitates transition to one of the active alternatives

Frequently Asked Questions (FAQ)

Q: Can 1586000-4 or 1969604-4 be used as direct replacements for 794542-4?

A: Yes. Both TE Connectivity VAL-U-LOK parts (1586000-4 and 1969604-4) are parametric equivalents to the obsolete 794542-4. All critical specifications match: 4-position plug housing, 0.165" pitch, 2-row configuration, crimp termination, and locking ramp fastening. Both are active products with superior compliance documentation.

Q: What is the difference between 1586000-4 and 1969604-4?

A: Both parts are functionally identical TE Connectivity VAL-U-LOK series connectors with matching electrical and mechanical specifications. The primary difference is inventory availability: 1586000-4 has 20117 units in stock, while 1969604-4 has 10982 units. Selection between these two should be based on supply chain requirements and lead time considerations.

Q: Can the Molex 0039013043 be used instead of the TE Connectivity parts?

A: Yes. The Molex 0039013043 from the Mini-Fit Jr 5559 series meets all critical mechanical and electrical parameters required for substitution. It is a cross-manufacturer alternative with ROHS3 compliance and the highest inventory availability (83174 units). Compatibility depends on design validation for cross-manufacturer connector use.

Q: Are there any material differences between the substitute parts?

A: The TE Connectivity substitutes (1586000-4 and 1969604-4) specify Polyamide (PA) Nylon insulation material, while the Molex part (0039013043) specifies Polyamide (PA66) Nylon 6/6. Both material compositions support the identical operating temperature range (-40°C to 105°C) and MSL rating (1 - Unlimited). Material selection should be validated against specific application requirements.

Q: Do all substitute parts include contacts?

A: No. All parts listed—the main part 794542-4 and all substitutes (1586000-4, 1969604-4, and 0039013043)—are connector housings only. Contacts are not included and must be sourced separately. Ensure that replacement contacts are compatible with the selected housing series.

Q: What is the significance of the MSL rating?

A: All parts carry an MSL rating of 1 (Unlimited), indicating unlimited shelf life without moisture sensitivity concerns. This specification is consistent across the main part and all substitutes, ensuring equivalent handling and storage requirements.

Q: Which substitute part should be selected for new designs?

A: For new designs, either TE Connectivity VAL-U-LOK part (1586000-4 or 1969604-4) is recommended as the primary choice due to manufacturer continuity and active product status. The Molex 0039013043 is suitable if cross-manufacturer qualification has been completed and supply chain benefits justify the transition.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message