Molex 0520301429 FPC Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0520301429 is a 14-position FPC (Flat Flexible) connector with vertical, single-sided contacts designed for 1.00mm pitch applications. This connector features a through-hole mounting configuration with kinked pin termination and zero insertion force (ZIF) actuation. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	0520301429
Manufacturer	Molex
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	14
Pitch	0.039" (1.00mm)
Connector Type	Contacts, Vertical - 1 Sided
Mounting Type	Through Hole
Termination	Kinked Pin
Voltage Rating	50V
Current Rating	1A
Operating Temperature	-20°C ~ 80°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the Molex 0520301429 is based on the following critical parameters that must remain constant:

Number of Positions: 14 positions (fixed requirement)
Pitch: 0.039" (1.00mm) (fixed requirement)
Connector Type: Vertical, single-sided contacts (fixed requirement)
Mounting Type: Through hole (fixed requirement)
Voltage Rating: 50V minimum (fixed requirement)
Operating Temperature Range: -20°C ~ 80°C (fixed requirement)
RoHS Compliance: ROHS3 Compliant (fixed requirement)

The substitute part Molex 0528061410 maintains all critical parameters while offering an active product status with improved availability. Variations in housing material, locking mechanism, cable end type, and current rating are secondary parameters that may differ between the main part and substitute, provided the primary electrical and mechanical specifications remain compatible.

Parameter Comparison

Parameter	0520301429 (Main Part)	0528061410 (Substitute)
Manufacturer	Molex	Molex
Number of Positions	14	14
Pitch	0.039" (1.00mm)	0.039" (1.00mm)
Connector Type	Contacts, Vertical - 1 Sided	Contacts, Vertical - 1 Sided
Mounting Type	Through Hole	Through Hole
Termination	Kinked Pin	Kinked Pin
Voltage Rating	50V	50V
Operating Temperature	-20°C ~ 80°C	-20°C ~ 80°C
Material Flammability Rating	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Obsolete	Active
Current Rating	1A	0.5A
Height Above Board	0.205" (5.20mm)	0.213" (5.40mm)

Engineering Selection Recommendations

The Molex 0528061410 serves as the active substitute for the obsolete Molex 0520301429. Both connectors maintain identical electrical specifications (50V voltage rating, -20°C to 80°C operating range) and comply with ROHS3 and REACH requirements. The substitute part is currently in active production status with significantly higher inventory availability (5930 pcs vs. 1126 pcs).

Design considerations for substitution include the reduced current rating of the 0528061410 (0.5A versus 1A) and the marginal increase in height above board (0.213" versus 0.205"). These differences must be evaluated against specific application requirements. The substitute employs polyphenylene sulfide (PPS) housing material in place of polyamide (PA66), which may provide enhanced chemical resistance in certain environments.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0528061410 directly replace the 0520301429 in existing designs?

A: Direct replacement is possible when the application current requirement does not exceed 0.5A and the additional 0.008" (0.20mm) height above board does not create mechanical constraints. All critical electrical parameters and compliance certifications are equivalent.

Q: What is the significance of the current rating difference?

A: The main part supports 1A continuous current, while the substitute supports 0.5A. Applications requiring current levels between 0.5A and 1A cannot use the substitute without thermal analysis and potential design modification.

Q: Are there differences in mating cycles between these parts?

A: The main part does not specify mating cycle data. The substitute part is rated for 10 mating cycles. This parameter should be evaluated based on application duty cycle requirements.

Q: How do the housing materials differ?

A: The 0520301429 uses polyamide (PA66/Nylon 6/6), while the 0528061410 uses polyphenylene sulfide (PPS). Both materials meet UL94 V-0 flammability requirements. PPS offers superior chemical and thermal resistance in specific industrial environments.

Q: What is the impact of the locking feature difference?

A: The main part includes a slide lock mechanism. The substitute part does not specify a locking feature. Applications requiring positive mechanical locking must evaluate this difference against connector retention requirements.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the 0520301429 and 0528061410 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

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