Molex 0514412093 FFC Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0514412093 is a 20-position FFC (Flat Flexible) connector with 0.5mm pitch, designed for surface mount, right-angle applications. This connector features a flip lock mechanism, zero insertion force (ZIF) design, and solder termination for reliable board-level connections in compact electronic assemblies.

The 0514412093 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for systems utilizing this connector.

Substiute Parts

0514412093

MolexIn Stock: 8100514412093 Datasheet

Current PartRFQ

FFC2B35-20-T

GCTIn Stock: 4601FFC2B35-20-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0514412093 is determined by strict alignment of the following critical parameters:

• Position Count: 20 positions (fixed requirement)
• Pitch: 0.020" (0.50mm) (fixed requirement)
• Mounting Configuration: Surface mount, right-angle orientation (fixed requirement)
• Contact Arrangement: Bottom contacts (fixed requirement)
• Termination Method: Solder termination (fixed requirement)
• Voltage Rating: Minimum 50V (equal or higher acceptable)
• Current Rating: Minimum 0.5A (equal or higher acceptable)
• Operating Temperature Range: Must encompass or exceed -20°C ~ 85°C
• Locking Mechanism: Flip lock (required for mechanical compatibility)
• FFC Thickness: 0.30mm (required for cable compatibility)
• Flammability Compliance: UL94 V-0 (required for safety standards)
• RoHS Compliance: ROHS3 compliant (required for regulatory alignment)

The GCT FFC2B35-20-T meets all critical substitution criteria and is identified as the manufacturer-recommended equivalent.

Parameter Comparison

Engineering Selection Recommendations

The GCT FFC2B35-20-T is the qualified substitute for the obsolete Molex 0514412093 based on the following engineering criteria:

Compliance & Regulatory Alignment: Both parts maintain ROHS3 compliance and UL94 V-0 flammability certification, ensuring regulatory continuity for applications subject to environmental and safety standards.

Electrical Specifications: Voltage rating is identical at 50V. The substitute's current rating of 0.4A is lower than the original 0.5A specification. Applications operating at or below 0.4A are fully compatible. Applications requiring the full 0.5A rating must be evaluated against actual circuit current demands.

Mechanical Compatibility: Both connectors feature identical 20-position, 0.5mm pitch configurations with flip lock mechanisms and bottom contact arrangements. The substitute's increased height above board (2.00mm versus 1.12mm) requires verification of available PCB clearance in the target assembly. The substitute's improved mating cycle rating (30 versus 20) provides enhanced durability for high-cycle applications.

Supply Chain Status: The substitute is in active production with substantial inventory availability (4508 units), whereas the original part is obsolete with limited stock (800 units). Selection of the active substitute ensures long-term supply continuity.

Frequently Asked Questions (FAQ)

Q: Can the GCT FFC2B35-20-T be used as a direct replacement for the Molex 0514412093?

A: The GCT FFC2B35-20-T is mechanically and electrically compatible for applications where the current requirement does not exceed 0.4A and PCB clearance accommodates the increased height of 2.00mm above the board. All other electrical and mechanical parameters align with the original specification.

Q: What is the significance of the current rating difference (0.5A vs. 0.4A)?

A: The substitute part is rated for 0.4A maximum continuous current, compared to the original 0.5A rating. Applications operating below 0.4A are unaffected. Applications requiring sustained current at or above 0.5A must be evaluated to determine if the lower rating presents a constraint. Transient current spikes above 0.4A may be tolerable depending on duty cycle and thermal conditions; this requires circuit-level analysis.

Q: Does the increased height above board affect PCB layout?

A: The substitute connector is 0.88mm taller (2.00mm versus 1.12mm). PCB designs with tight vertical clearance constraints must be reviewed to ensure the increased height does not interfere with adjacent components, shielding, or enclosure geometry. Designs with adequate clearance are unaffected.

Q: Are the packaging formats compatible?

A: The original part is supplied in standard packaging, while the substitute (FFC2B35-20-T) is supplied in Tape & Reel (TR) format. This affects handling and assembly processes but does not impact electrical or mechanical compatibility. Tape & Reel format is standard for high-volume surface mount assembly.

Q: What is the advantage of the substitute's higher mating cycle rating?

A: The GCT FFC2B35-20-T is rated for 30 mating cycles compared to the original 20 cycles. This provides additional mechanical durability for applications involving connector mating and unmating operations, extending the operational life of the connector interface.

Q: Are both parts RoHS and flammability compliant?

A: Both the Molex 0514412093 and GCT FFC2B35-20-T are ROHS3 compliant and carry UL94 V-0 flammability certification. Regulatory compliance is maintained with the substitute part.