Molex 0527450790 FFC/FPC Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0527450790 is a 7-position FFC/FPC connector with 0.50mm pitch, designed for surface mount, right-angle applications. This connector features top-mounted contacts, slide lock mechanism, and zero insertion force (ZIF) operation. The product is classified as obsolete, making identification of compatible substitute parts essential for ongoing design support and procurement continuity.

Substiute Parts

0527450790

MolexIn Stock: 10960527450790 Datasheet

Current PartRFQ

1734839-7

TE Connectivity AMP ConnectorsIn Stock: 100561734839-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0527450790 is determined by the following critical parameters:

• Position Count: Must be 7 positions
• Pitch: Must be 0.020" (0.50mm)
• Mounting Configuration: Must be surface mount, right angle
• Contact Orientation: Must be top-mounted contacts
• Termination Method: Must be solder termination
• FFC/FPC Thickness: Must accommodate 0.30mm thickness
• Locking Mechanism: Must feature slide lock
• Operational Features: Must support zero insertion force (ZIF)

The TE Connectivity AMP Connectors part number 1734839-7 meets all critical substitution criteria. Both connectors share identical position count, pitch, mounting type, contact orientation, termination method, FFC/FPC thickness compatibility, locking mechanism, and ZIF operation.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity AMP Connectors 1734839-7 is a direct functional substitute for the obsolete Molex 0527450790. Selection of the TE part provides the following advantages:

• Active Product Status: The TE part is actively manufactured and supported, ensuring long-term availability and supply chain continuity.
• Enhanced Compliance: The TE part is ROHS3 compliant, meeting current regulatory requirements, whereas the Molex part is non-compliant.
• Increased Voltage Margin: The TE part provides 250V rating compared to the Molex 50V rating, offering additional safety margin for applications.
• Mechanical Compatibility: Height above board differs by 0.05mm (2.05mm vs 2.00mm), which is within typical PCB design tolerances for surface mount applications.
• Identical Electrical and Mechanical Interface: Both connectors maintain identical position count, pitch, contact configuration, and termination method, ensuring direct form-fit-function compatibility.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 1734839-7 be used as a direct replacement for the Molex 0527450790?

A: Yes. Both connectors share identical position count (7), pitch (0.50mm), mounting configuration (surface mount right angle), contact orientation (top), termination method (solder), and operational features (slide lock, ZIF). The 0.05mm difference in height above board is within standard PCB design tolerances.

Q: What are the key parameters that determine substitution compatibility?

A: Critical parameters are: 7-position count, 0.50mm pitch, surface mount right-angle configuration, top-mounted contacts, solder termination, 0.30mm FFC/FPC thickness compatibility, slide lock mechanism, and zero insertion force operation.

Q: Does the TE part meet current compliance standards?

A: Yes. The TE Connectivity 1734839-7 is ROHS3 compliant. The original Molex part is RoHS non-compliant. Both parts are rated UL94 V-0 for material flammability.

Q: Are there packaging differences between these parts?

A: The Molex part packaging is not specified. The TE Connectivity part is supplied in Tape & Reel (TR) packaging, which is standard for high-volume surface mount applications.

Q: What is the voltage and current rating difference?

A: The TE part provides 250V rating versus the Molex 50V rating. Both parts are rated for 0.5A current. The higher voltage rating of the TE part provides additional design margin without affecting electrical compatibility.

Q: Are the contact materials and finishes compatible?

A: Both parts use phosphor bronze contact material. The Molex part features tin-lead finish; the TE part features gold finish with flash thickness. Gold finish provides superior corrosion resistance and contact reliability.