Molex 0528930833 FFC Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0528930833 is an 8-position FPC bottom-contact connector with 0.5mm pitch, designed for surface mount right-angle applications. This connector features a flip lock mechanism and zero insertion force (ZIF) design, operating across -40°C to 85°C with a 50V voltage rating. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing production support, design revisions, and legacy system maintenance.

Substiute Parts

0528930833

MolexIn Stock: 8970528930833 Datasheet

Current PartRFQ

FFC2B35-08-T

GCTIn Stock: 3983FFC2B35-08-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0528930833 is determined by strict alignment with the following critical parameters:

• Electrical Compatibility: Voltage rating (50V minimum), current rating (0.5A minimum), and operating temperature range must meet or exceed the original specification
• Mechanical Compatibility: 8-position configuration, 0.5mm pitch, bottom-contact orientation, surface mount right-angle mounting, and 2.00mm height above board
• Interface Compatibility: Flip lock mechanism, zero insertion force (ZIF) design, and solder termination
• Regulatory Compliance: UL94 V-0 flammability rating and ROHS3 compliance

The GCT FFC2B35-08-T meets these core substitution criteria across all electrical and mechanical parameters, with documented differences noted in the parameter comparison table below.

Parameter Comparison

Engineering Selection Recommendations

The GCT FFC2B35-08-T is a qualified substitute for the obsolete Molex 0528930833 based on matching electrical and mechanical specifications. Both connectors maintain UL94 V-0 flammability compliance and ROHS3 certification, ensuring regulatory alignment for applications requiring these standards.

The GCT substitute exhibits the following documented differences:

• Current Rating: The substitute is rated at 0.4A versus the original 0.5A. Applications operating at or below 0.4A are fully compatible; applications requiring the full 0.5A rating must be evaluated against actual circuit requirements.
• Operating Temperature Range: The substitute operates from -25°C to 85°C versus the original -40°C to 85°C. Applications requiring operation below -25°C must retain the original Molex part or identify alternative solutions.
• Mating Cycles: The substitute supports 30 mating cycles versus the original 20 cycles, providing enhanced durability for high-cycle applications.
• Product Status: The GCT part is actively manufactured, ensuring long-term availability and supply chain continuity compared to the obsolete Molex offering.

Selection of the GCT substitute is appropriate for applications where the narrower temperature range and lower current rating do not conflict with system requirements.

Frequently Asked Questions (FAQ)

Q: Can the GCT FFC2B35-08-T directly replace the Molex 0528930833 in all applications?

A: Direct replacement is possible for applications operating within -25°C to 85°C and drawing 0.4A or less per contact. Applications requiring -40°C operation or 0.5A current must evaluate whether the substitute meets functional requirements or if alternative solutions are necessary.

Q: Are the mechanical dimensions identical between these connectors?

A: Yes. Both connectors share identical pitch (0.5mm), position count (8), height above board (2.00mm), and FFC thickness (0.30mm). PCB footprints and mating interfaces are compatible.

Q: What is the significance of the different housing materials?

A: The Molex uses polyamide (PA) nylon housing with polyphenylene sulfide (PPS) glass-filled actuator. The GCT uses liquid crystal polymer (LCP) for both housing and actuator. Both materials meet UL94 V-0 flammability requirements. Material selection may affect thermal performance and chemical resistance in specific environments; application-specific validation is recommended if material compatibility is a design concern.

Q: Does the GCT substitute support the same locking mechanism?

A: Yes. Both connectors feature flip lock mechanisms and zero insertion force (ZIF) design, ensuring identical mating and unmating procedures.

Q: Why does the GCT part have a higher mating cycle rating?

A: The GCT FFC2B35-08-T is rated for 30 mating cycles versus the Molex 20 cycles. This reflects the mechanical durability characteristics of the LCP materials used in the GCT design. For applications with frequent connector cycling, the GCT substitute provides enhanced reliability margins.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the Molex 0528930833 and GCT FFC2B35-08-T are ROHS3 compliant. The Molex part is REACH unaffected; the GCT part status is not specified in the provided data.

Q: What packaging formats are available for the GCT substitute?

A: The GCT FFC2B35-08-T is supplied in Tape & Reel (TR) packaging format, suitable for automated assembly processes.