Molex 1040040903 USB Mini B Female Header Connector Equivalent & Substitute Parts

Part Overview

The Molex 1040040903 is a USB mini B female header connector designed for vertical through-hole mounting applications. This 5-position connector features solder termination and is classified as an active product with full RoHS compliance. The connector is shielded with gold-plated contacts and phosphor bronze shielding material, meeting UL94 V-0 flammability standards. Substitute parts are identified when equivalent electrical and mechanical parameters are required for component selection, inventory management, or supply chain continuity.

Substiute Parts

1040040903

MolexIn Stock: 7941040040903 Datasheet

Current PartRFQ

1040040711

MolexIn Stock: 9041040040711 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Molex 1040040903 are identified based on strict equivalence across the following critical parameters:

Electrical Parameters:

• Connector Type: USB - mini B
• Number of Contacts: 5
• Contact Finish: Gold
• Shielding: Shielded

Mechanical Parameters:

• Gender: Female Header
• Mounting Type: Through Hole
• Mounting Feature: Vertical
• Termination: Solder
• Number of Ports: 1

Material & Compliance Parameters:

• Shell/Shielding Material: Phosphor Bronze
• Material Flammability Rating: UL94 V-0
• Insulation Color: Black
• RoHS Status: RoHS Compliant

The substitute part Molex 1040040711 matches all critical parameters across electrical, mechanical, and compliance categories, establishing it as a parametric equivalent for direct substitution in applications requiring USB mini B female header connectors with vertical through-hole mounting.

Parameter Comparison

Engineering Selection Recommendations

The Molex 1040040711 is a direct parametric equivalent to the Molex 1040040903 for applications requiring USB mini B female header connectors with vertical through-hole solder termination. Both parts are active products with identical electrical, mechanical, and compliance specifications. Selection between these parts may be based on inventory availability, lead time, or packaging requirements, as both parts maintain RoHS compliance and UL94 V-0 flammability certification. The Molex 1040040711 currently maintains higher inventory levels (847 pieces) compared to the Molex 1040040903 (753 pieces), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the Molex 1040040711 be used as a direct replacement for the Molex 1040040903?

A: Yes. Both parts are parametric equivalents with identical connector type, contact count, mounting configuration, termination method, and material specifications. Direct substitution is supported for applications requiring USB mini B female header connectors.

Q: Are there any differences in electrical performance between these two parts?

A: No. Both parts share identical electrical parameters including connector type (USB mini B), contact count (5), contact finish (gold), and shielding configuration (shielded phosphor bronze).

Q: Do both parts meet the same compliance standards?

A: Yes. Both the Molex 1040040903 and Molex 1040040711 are RoHS compliant, carry UL94 V-0 flammability ratings, and share identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications.

Q: What is the significance of the base product number 104004?

A: The base product number 104004 indicates both parts belong to the same product family and share the same core design specifications for USB mini B female header connectors with vertical through-hole mounting.

Q: Are there packaging differences between these substitute parts?

A: Both parts are supplied in bulk packaging. Selection should be based on specific quantity requirements and inventory availability for your application.

Q: Can these connectors be used in applications requiring high-frequency signal transmission?

A: The provided specifications do not include frequency or signal integrity parameters. Consult detailed electrical specifications or application notes for high-frequency performance requirements.

Q: What mounting considerations apply to these vertical through-hole connectors?

A: Both parts are designed for vertical through-hole mounting with solder termination. PCB design should accommodate the vertical orientation and provide appropriate solder pad dimensions for reliable mechanical and electrical connections.