XRT73R12IB Equivalent & Substitute Parts

Part Overview

The XRT73R12IB is a Telecom IC Line Interface Unit (LIU) manufactured by MaxLinear, Inc., housed in a 420-TBGA (35x35) package. This component functions as a line interface unit for telecommunications applications, supporting 12 circuits with a supply voltage range of 3.135V to 3.465V and operating temperature range of -40°C to 85°C. The XRT73R12IB is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and new design implementations.

Substiute Parts

XRT73R12IB

MaxLinear, Inc.In Stock: 859XRT73R12IB Datasheet

Current PartRFQ

XRT75R12IB-L

MaxLinear, Inc.In Stock: 6291XRT75R12IB-L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the XRT73R12IB is determined by strict equivalence across the following critical parameters:

• Function: Line Interface Unit (LIU) interface type
• Circuit Count: 12 circuits
• Supply Voltage: 3.135V ~ 3.465V
• Operating Temperature Range: -40°C ~ 85°C
• Package Specification: 420-LBGA / 420-TBGA (35x35)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level: MSL 4 (72 Hours)

The XRT75R12IB-L meets all specified parameters and is manufactured by the same supplier, MaxLinear, Inc. This part maintains functional and electrical equivalence while offering the advantage of active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The XRT75R12IB-L is the direct substitute for the XRT73R12IB. Both components share identical electrical specifications, package dimensions, and functional characteristics. The XRT75R12IB-L offers the advantage of active product status, ensuring continued availability and manufacturing support. Both parts maintain RoHS compliance status and equivalent export classification (EAR99). Selection of the XRT75R12IB-L is appropriate for replacement applications and new designs requiring Line Interface Unit functionality in the 420-TBGA form factor.

Frequently Asked Questions (FAQ)

Q: Can the XRT75R12IB-L directly replace the XRT73R12IB in existing designs?

A: Yes. The XRT75R12IB-L maintains identical electrical specifications, supply voltage range (3.135V ~ 3.465V), operating temperature range (-40°C ~ 85°C), circuit count (12), and package configuration (420-TBGA 35x35). No design modifications are required.

Q: What is the primary difference between these parts?

A: The XRT73R12IB is classified as obsolete, while the XRT75R12IB-L maintains active product status. Both parts are functionally equivalent Line Interface Units from MaxLinear, Inc.

Q: Are there any package or mounting differences?

A: No. Both parts use identical Surface Mount packaging: 420-LBGA case with 420-TBGA (35x35) supplier device package specification. Moisture Sensitivity Level (MSL 4, 72 Hours) is identical.

Q: What compliance certifications apply to both parts?

A: Both parts carry EAR99 export classification and HTSUS code 8542.39.0001. The XRT75R12IB-L is RoHS Compliant.

Q: Is inventory availability a consideration for part selection?

A: The XRT75R12IB-L has significantly higher inventory availability (6204 Pcs) compared to the XRT73R12IB (795 Pcs), supporting both immediate procurement and long-term supply chain planning.