Equivalent & Substitute Parts: Molex 0533988604

Part Overview

The Molex 0533988604 is a PicoBlade 1.25 surface mount rectangular connector header designed for board-to-cable/wire applications. This connector features a 4-position, single-row configuration with 0.049" (1.25mm) pitch spacing and shrouded 3-wall design. The part is classified as Obsolete and is no longer in active production. Due to its obsolete status, identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for ongoing production, maintenance, and repair applications.

Substiute Parts

0533988604

MolexIn Stock: 12370533988604 Datasheet

Current PartRFQ

0533984004

MolexIn Stock: 88520533984004 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 0533988604 is determined by strict alignment of the following critical parameters:

Substitution Criteria:

• Manufacturer series compatibility (PicoBlade 53398 family)
• Connector type (Header)
• Number of positions (4)
• Pitch specification (0.049" / 1.25mm)
• Mounting technology (Surface Mount)
• Shrouding configuration (Shrouded - 3 Wall)
• Electrical ratings (125VAC/DC minimum)
• Operating temperature range (-40°C ~ 105°C minimum)
• Contact material and finish specifications
• Termination method (Solder)

The substitute part Molex 0533984004 meets all these criteria and is classified as Active product status, providing a direct functional replacement with current manufacturing support and availability.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0533984004 is the direct substitute for the obsolete Molex 0533988604 based on the following engineering factors:

Product Status Alignment: The substitute part maintains Active product status with current manufacturing support, ensuring long-term component availability and supply chain continuity.

Compliance and Certifications: The substitute part is ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution. Both parts share identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications.

Electrical and Mechanical Compatibility: The substitute part provides identical mechanical and electrical specifications across all critical parameters: 4-position configuration, 0.049" (1.25mm) pitch, surface mount technology, shrouded 3-wall design, and solder termination. The 125VAC/DC voltage rating and -40°C ~ 105°C operating temperature range of the substitute part establish adequate performance margins for applications previously served by the main part.

Packaging and Availability: The substitute part is supplied in Tape & Reel (TR) packaging with 8778 pieces currently in stock, providing immediate availability compared to the obsolete main part with limited remaining inventory.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0533984004 be used as a direct replacement for the 0533988604 in existing designs?

A: Yes. The 0533984004 is a direct functional substitute. Both parts share identical connector type, position count, pitch spacing, mounting method, and shrouding configuration. The substitute part is from the same PicoBlade 53398 series and maintains compatibility with mating connectors and PCB layouts designed for the original part.

Q: What is the primary reason for substitution?

A: The Molex 0533988604 is classified as Obsolete and is no longer in active production. The 0533984004 is an Active product with current manufacturing support, ensuring component availability for new production runs and ongoing maintenance requirements.

Q: Are there any electrical rating differences between the two parts?

A: The substitute part is rated for 125VAC/DC operation across the -40°C ~ 105°C temperature range. Detailed electrical ratings for the main part were not provided in the original specifications. The substitute part's ratings establish adequate performance for standard rectangular connector applications.

Q: What packaging format is the substitute part supplied in?

A: The Molex 0533984004 is supplied in Tape & Reel (TR) packaging, which is standard for surface mount components. This packaging format is suitable for automated assembly processes and provides efficient component handling and storage.

Q: Are both parts compliant with current regulatory standards?

A: The substitute part is ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements. Both parts share identical ECCN and HTSUS classifications, indicating equivalent export control and tariff treatment.

Q: What is the MSL rating difference between the parts?

A: The main part lists MSL as Not Applicable. The substitute part carries an MSL rating of 1 (Unlimited), indicating minimal moisture sensitivity and no special storage or handling requirements prior to soldering.

Q: Is the contact finish specification the same?

A: The substitute part features gold flash mating contact finish with phosphor bronze contact material and tin post finish. These specifications are standard for the PicoBlade 53398 series and provide reliable electrical contact and corrosion resistance for the intended application.