Molex 0391001009 Equivalent & Substitute Parts

Part Overview

The Molex 0391001009 is a 9-circuit Eurostyle terminal strip connector with 0.394" (10.00mm) pitch, rated for 30A at 600V. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new design implementations. The terminal strip features screw-type top termination, enclosed barrier design, and supports wire gauges from 10-18 AWG across 18 wire entry points arranged in 2 rows.

Key Parameters

Parameter	Value
Number of Circuits	9
Pitch	0.394" (10.00mm)
Number of Wire Entries	18
Number of Rows	2
Current Rating	30A
Voltage Rating	600V (Main Part)
Wire Gauge	10-18 AWG
Top Termination	Screws
Bottom Termination	Closed
Barrier Type	Enclosed
Terminal Block Type	Eurostyle Terminal Strip
Mounting Type	Chassis, Panel
Material - Insulation	Polyamide (PA66), Nylon 6/6
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0391001009 is determined by strict alignment with the following critical parameters:

Circuit Configuration: 9 circuits with 18 wire entries in 2-row arrangement
Pitch Specification: 0.394" (10.00mm) center-to-center spacing
Electrical Ratings: Minimum 30A current capacity and compatible voltage rating
Termination Method: Screw-type top termination with closed bottom termination
Physical Design: Enclosed barrier Eurostyle terminal strip format
Wire Gauge Compatibility: Support for 10-18 AWG minimum range
Mounting Configuration: Chassis and panel mounting capability
Material & Compliance: Polyamide (PA66) insulation with ROHS3 compliance

The two substitute parts identified meet these core substitution criteria while maintaining functional equivalence in standard industrial applications.

Parameter Comparison

Parameter	Molex 0391001009 (Main)	Molex 0391002009 (Direct Substitute)	TE Connectivity 1776296-9 (Alternative)
Manufacturer	Molex	Molex	TE Connectivity AMP Connectors
Number of Circuits	9	9	9
Pitch	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)
Number of Wire Entries	18	18	18
Number of Rows	2	2	2
Current Rating (Amps)	30A	30A	30A
Voltage Rating	600V	600V	250V
Wire Gauge	10-18 AWG	10-18 AWG	10-24 AWG
Top Termination	Screws	Screws	Screws
Bottom Termination	Closed	Closed	Closed
Barrier Type	Enclosed	Enclosed	Enclosed
Terminal Block Type	Eurostyle Terminal Strip	Eurostyle Terminal Strip	Eurostyle Terminal Strip
Mounting Type	Chassis, Panel	Chassis, Panel	Chassis, Panel
Material - Insulation	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Operating Temperature Range	Up to 100°C	-40°C ~ 105°C	-35°C ~ 100°C
Material Flammability Rating	UL94 V-2	UL94 V-0	UL94 V-2

Engineering Selection Recommendations

Molex 0391002009 is the primary direct substitute for the obsolete Molex 0391001009. Both components share identical circuit configuration, pitch, wire entry arrangement, current rating, and voltage rating. The Molex 0391002009 maintains active product status, ensuring long-term availability and supply chain continuity. It features an expanded operating temperature range (-40°C to 105°C) and superior flammability rating (UL94 V-0), providing enhanced performance margins. Both parts carry ROHS3 compliance and identical insulation material specifications.

TE Connectivity 1776296-9 serves as an alternative cross-manufacturer substitute. This component maintains full mechanical and electrical compatibility for applications operating at or below 250V. The TE part supports an extended wire gauge range (10-24 AWG), offering greater flexibility for varied conductor sizes. The voltage rating of 250V represents the primary design constraint for this alternative; applications requiring the full 600V rating of the original part must use the Molex 0391002009 substitute. The TE part carries ROHS3 compliance and identical insulation material specifications.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0391002009 be used as a direct replacement for the Molex 0391001009?

A: Yes. Both components share identical electrical ratings (30A, 600V), circuit configuration (9 circuits), pitch (0.394"), wire entry arrangement (18 entries in 2 rows), and termination method (screw-type). The Molex 0391002009 is the recommended substitute due to its active product status and enhanced operating temperature range.

Q: What is the primary limitation of the TE Connectivity 1776296-9 substitute?

A: The TE Connectivity 1776296-9 has a voltage rating of 250V, compared to the 600V rating of the original Molex 0391001009. This part is suitable only for applications operating at or below 250V. For applications requiring 600V operation, the Molex 0391002009 must be used.

Q: Are there packaging differences between the substitute parts?

A: The Molex 0391001009 original part does not specify packaging details. The Molex 0391002009 substitute is supplied in bulk packaging. The TE Connectivity 1776296-9 is also supplied in bulk packaging. Verify packaging requirements with your procurement specifications.

Q: Do the substitute parts support the same wire gauge range?

A: The Molex 0391001009 and Molex 0391002009 both support 10-18 AWG wire gauges. The TE Connectivity 1776296-9 supports a broader range of 10-24 AWG, providing additional flexibility for smaller conductor applications.

Q: Are all substitute parts RoHS compliant?

A: Yes. The Molex 0391001009, Molex 0391002009, and TE Connectivity 1776296-9 are all ROHS3 compliant. All three components use Polyamide (PA66) insulation material meeting the same material specifications.

Q: What is the difference in flammability ratings between the parts?

A: The Molex 0391001009 and TE Connectivity 1776296-9 both carry UL94 V-2 flammability ratings. The Molex 0391002009 features a superior UL94 V-0 rating, indicating enhanced flame resistance characteristics.

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