Molex 0520441445 FFC/FPC Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0520441445 is a 14-position FFC/FPC connector with 0.049" (1.25mm) pitch, designed for through-hole, right-angle mounting applications. This connector features kinked pin termination and operates across -40°C to 85°C with a 200V rating. The product is currently obsolete, making equivalent substitute parts necessary for ongoing design support and component sourcing.

Substiute Parts

0520441445

MolexIn Stock: 10600520441445 Datasheet

Current PartRFQ

0039532144

MolexIn Stock: 125540039532144 Datasheet

MFR RecommendedRFQ

1-84533-4

TE Connectivity AMP ConnectorsIn Stock: 10531-84533-4 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Molex 0520441445 are qualified based on the following critical parameters:

• Position Count & Pitch: Both substitute parts maintain 14 positions at 0.049" (1.25mm) pitch, ensuring mechanical and electrical compatibility with existing cable assemblies and PCB layouts.
• Mounting Configuration: All parts feature through-hole, right-angle mounting with top-side contacts, maintaining identical board-level integration.
• Electrical Ratings: Voltage and current ratings must support the application requirements. The main part specifies 200V/1A; substitutes are evaluated for compatibility within this envelope.
• Termination Type: The main part uses kinked pin termination. Substitute 0039532144 uses solder termination (different assembly method but equivalent electrical function), while 1-84533-4 maintains kinked pin termination.
• Material & Compliance: All parts use PBT housing material and maintain RoHS3 compliance and MSL 1 rating for moisture sensitivity.

Parameter Comparison

Engineering Selection Recommendations

Molex 0039532144 is the primary recommended substitute. It maintains identical position count, pitch, and mounting configuration as the main part. Both are Molex products within the same connector family, ensuring design continuity. The part is active and in high inventory (12,502 pcs). The solder termination differs from the kinked pin design but provides equivalent electrical function with the addition of a slide lock locking feature and Zero Insertion Force (ZIF) capability. Operating temperature range is slightly reduced (-20°C to 80°C versus -40°C to 85°C), which must be evaluated against application requirements. Both parts maintain UL94 V-0 flammability rating and ROHS3 compliance.

TE Connectivity 1-84533-4 is a secondary substitute option. It maintains the same position count, pitch, and kinked pin termination as the main part, with identical operating temperature range (-40°C to 85°C). However, the voltage rating is significantly lower at 50V compared to the main part's 200V rating. This part is suitable only for applications where the 50V rating is sufficient. The housing material differs (glass-filled PBT versus polyester PBT), and flammability rating is not specified. This part remains active with 1,011 pcs in inventory.

Selection between these substitutes depends on application voltage requirements and termination method compatibility with existing assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0039532144 directly replace the 0520441445 in existing designs?

A: The 0039532144 maintains mechanical and electrical compatibility for the same 14-position, 1.25mm pitch connector footprint. The primary difference is termination method: solder versus kinked pin. PCB assembly processes must accommodate solder termination. The operating temperature range is narrower (-20°C to 80°C), so applications requiring -40°C operation must be evaluated. The addition of slide lock and ZIF features provides enhanced functionality.

Q: What is the voltage limitation of the TE Connectivity 1-84533-4?

A: The 1-84533-4 has a 50V voltage rating, compared to the main part's 200V rating. This part is suitable only for applications operating at 50V or below. Applications requiring higher voltage operation must use the Molex 0039532144 or equivalent 200V-rated alternatives.

Q: Are there differences in contact finish between the substitutes?

A: Yes. The main part (0520441445) and TE Connectivity part (1-84533-4) use tin finish. The Molex substitute (0039532144) uses tin bismuth finish with a slightly higher thickness (39.4µin versus 35.4µin). Both finishes are compatible with standard PCB assembly and soldering processes.

Q: How do height differences affect PCB layout?

A: The three parts have slightly different heights above board: 0.197" (5.00mm) for the main part, 0.213" (5.40mm) for the Molex substitute, and 0.189" (4.80mm) for the TE Connectivity part. These variations are within typical PCB clearance tolerances but should be verified against specific board design constraints, particularly for applications with height restrictions.

Q: What is the significance of the slide lock feature on the Molex 0039532144?

A: The slide lock feature provides mechanical retention of the mated connector, preventing accidental disconnection. This is an enhancement over the main part, which has no locking feature specified. The Zero Insertion Force (ZIF) capability further reduces mating force requirements.

Q: Are all substitutes RoHS compliant?

A: Yes. The main part and Molex substitute are ROHS3 compliant. The TE Connectivity part is RoHS compliant. All three parts meet RoHS requirements for lead-free and restricted substance compliance.