WT11U-E-AI5 Equivalent & Substitute Parts

Part Overview

The WT11U-E-AI5 is an RF transceiver module manufactured by Silicon Labs, designed for Bluetooth 2.1 + EDR applications. This module is classified as obsolete, making equivalent and substitute parts necessary for new designs, production continuity, and system upgrades. The module functions as a complete transceiver solution for wireless communication in the 2.4 GHz ISM band.

Substiute Parts

WT11U-E-AI5

Silicon LabsIn Stock: 800WT11U-E-AI5 Datasheet

Current PartRFQ

BT122-A-V2R

Silicon LabsIn Stock: 998BT122-A-V2R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The BT122-A-V2R qualifies as a substitute for the WT11U-E-AI5 based on the following substitution criteria:

• Manufacturer Alignment: Both parts are manufactured by Silicon Labs, ensuring design continuity and technical support consistency.
• Product Category: Both are RF transceiver modules designed for Bluetooth wireless communication.
• Regulatory Classification: Both share identical ECCN (5A992C) and HTSUS (8517.62.0090) codes, confirming equivalent export control and tariff classification.
• Moisture Sensitivity: Both maintain MSL 3 (168 Hours) rating, indicating identical moisture handling and storage requirements.
• Active Status: The BT122-A-V2R is classified as Active, providing long-term availability and production support compared to the obsolete WT11U-E-AI5.

Parameter Comparison

Engineering Selection Recommendations

The BT122-A-V2R is the designated substitute for the WT11U-E-AI5. Selection is based on:

• Obsolescence Management: The WT11U-E-AI5 is obsolete; the BT122-A-V2R maintains active production status, ensuring supply chain continuity.
• Regulatory Compliance: Both parts share identical ECCN and HTSUS classifications, eliminating export control and tariff reclassification concerns.
• Manufacturer Support: Silicon Labs continues to support the BT122-A-V2R with technical documentation, firmware updates, and production availability.
• Environmental Compliance: The BT122-A-V2R is RoHS Compliant, meeting current environmental standards for electronic components.
• Moisture Handling: Identical MSL ratings ensure equivalent storage, handling, and assembly process compatibility.

Frequently Asked Questions (FAQ)

Q: Why is the WT11U-E-AI5 being replaced? A: The WT11U-E-AI5 is classified as obsolete. The BT122-A-V2R is the active substitute from the same manufacturer, providing continued support and availability.

Q: Are the ECCN and HTSUS codes identical between these parts? A: Yes. Both parts share ECCN 5A992C and HTSUS 8517.62.0090, confirming equivalent export control and tariff classification.

Q: Do both parts have the same moisture sensitivity requirements? A: Yes. Both parts are rated MSL 3 (168 Hours), requiring identical storage and handling procedures.

Q: What is the packaging difference? A: The BT122-A-V2R is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly. The WT11U-E-AI5 packaging specification is not provided.

Q: Is the BT122-A-V2R RoHS compliant? A: Yes. The BT122-A-V2R is RoHS Compliant, meeting current environmental regulations for electronic components.

Q: What mounting type does the BT122-A-V2R use? A: The BT122-A-V2R is a Surface Mount device in a 20-SMD Module package, suitable for automated assembly processes.