Equivalent & Substitute Parts for 74233-221LF

Part Overview

The 74233-221LF is a USB-A and Power combo plug connector manufactured by Amphenol ICC (FCI). This 8-position solder-terminated connector combines USB 2.0 functionality with integrated power delivery in a free-hanging (in-line) configuration. The part is currently classified as obsolete, making identification of active equivalent alternatives essential for ongoing design support and procurement.

Substiute Parts

74233-221LF

Amphenol ICC (FCI)In Stock: 116074233-221LF Datasheet

Current PartRFQ

74233-3029LF

Amphenol ICC (FCI)In Stock: 72574233-3029LF Datasheet

Parametric EquivalentRFQ

74233-302LF

Amphenol ICC (FCI)In Stock: 95074233-302LF Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute parts 74233-3029LF and 74233-302LF are parametric equivalents to the 74233-221LF based on the following critical matching parameters:

• Connector Type: USB-A and Power, Combo (identical)
• Number of Contacts: 8 (identical)
• Gender: Plug (identical)
• USB Specifications: USB 2.0 (identical)
• Mounting Type: Free Hanging (In-Line) (identical)
• Termination: Solder (identical)
• Operating Temperature Range: -55°C ~ 85°C (identical)
• Current Rating: 1.5A, 3A (identical)
• Mating Cycles: 1500 (identical)
• Shielding: Shielded (identical)
• Contact Finish: Gold, GXT™ (identical)
• Shell/Shielding Material: Steel, Stainless (identical)
• Material Flammability Rating: UL94 V-0 (identical)
• Moisture Sensitivity Level: 1 (Unlimited) (identical)

Both substitute parts are manufactured by the same supplier (Amphenol ICC / FCI) and share the same base product number (74233), confirming their functional and mechanical compatibility with the original part.

Parameter Comparison

Engineering Selection Recommendations

Both 74233-3029LF and 74233-302LF are active production alternatives to the obsolete 74233-221LF. Selection between these two substitute parts should be based on the following factors:

Product Status: The 74233-221LF is obsolete. Both substitute parts are in active production status, ensuring long-term availability and supply chain continuity.

Compliance & Certifications: Both substitute parts carry RoHS Compliant certification, meeting current environmental and regulatory requirements. The original part does not specify RoHS status. Both maintain UL94 V-0 flammability rating and identical electrical safety parameters.

Voltage Rating Consideration: The main part specifies 48V rated voltage, while both substitutes specify 5V rated voltage. This difference reflects the actual operating voltage of USB 2.0 power delivery circuits. Component selection must align with the actual circuit voltage requirements.

Packaging: Both substitute parts are supplied in bag packaging, which may differ from the original part's unspecified packaging format. Confirm packaging compatibility with assembly processes.

Inventory Availability: 74233-3029LF has 686 units in stock; 74233-302LF has 911 units in stock. Both provide adequate supply for procurement planning.

Frequently Asked Questions (FAQ)

Q: Can 74233-3029LF and 74233-302LF be used interchangeably with 74233-221LF?

A: Both parts are parametric equivalents sharing identical connector type, contact count, gender, USB specifications, mounting type, termination method, operating temperature range, current rating, mating cycles, shielding, contact finish, shell material, and flammability rating. They are functionally and mechanically interchangeable for applications within their specified electrical parameters.

Q: What is the significance of the voltage rating difference (48V vs. 5V)?

A: The 48V rating on the original part and 5V ratings on the substitutes reflect the maximum voltage these connectors are rated to handle. Selection must be based on the actual circuit voltage. For standard USB 2.0 power delivery applications operating at 5V, the substitute parts are appropriate.

Q: Why is the original part obsolete?

A: The 74233-221LF is classified as obsolete by the manufacturer. The active substitute parts 74233-3029LF and 74233-302LF represent the current production equivalents and should be used for new designs and ongoing procurement.

Q: Are there differences in insulation color between the parts?

A: The original part features red insulation, while both substitute parts have natural insulation color. This is a cosmetic difference and does not affect electrical or mechanical function.

Q: Do the substitute parts meet current environmental standards?

A: Both 74233-3029LF and 74233-302LF are RoHS Compliant, meeting current environmental regulations. The original part does not specify RoHS status. For applications requiring RoHS compliance, the substitute parts are the appropriate choice.

Q: What packaging format should be specified for procurement?

A: Both substitute parts are supplied in bag packaging. Confirm this packaging format is compatible with your assembly and handling processes before finalizing procurement specifications.