X9313UST2 Equivalent & Substitute Parts

Part Overview

The X9313UST2 is a digital potentiometer manufactured by Renesas Electronics Corporation, featuring 50kΩ resistance with 32 taps and an Up/Down (U/D, INC, CS) interface in an 8-SOIC surface mount package. This component is classified as obsolete, which necessitates identification of active equivalent parts for new designs and ongoing production requirements. The part operates at 5V supply voltage with non-volatile memory and linear taper characteristics suitable for precision analog control applications.

Substiute Parts

X9313UST2

Renesas Electronics CorporationIn Stock: 1095X9313UST2 Datasheet

Current PartRFQ

X9313USZT1

Renesas Electronics CorporationIn Stock: 1466X9313USZT1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the X9313UST2 is determined by strict equivalence across the following critical parameters:

• Resistance value: 50kΩ
• Number of taps: 32
• Interface protocol: Up/Down (U/D, INC, CS)
• Number of circuits: 1
• Memory type: Non-Volatile
• Supply voltage: 5V
• Package type: 8-SOIC
• Mounting configuration: Surface Mount

The X9313USZT1 satisfies all substitution criteria as a direct functional equivalent from the same manufacturer, with identical electrical specifications and package footprint. The primary distinction is product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

The X9313USZT1 is the direct substitute for the X9313UST2 based on identical electrical and mechanical specifications. Selection of the X9313USZT1 is supported by its active product status, ensuring long-term availability and supply chain continuity. The X9313USZT1 achieves ROHS3 compliance, whereas the X9313UST2 is non-compliant, making the substitute the appropriate choice for applications subject to RoHS regulations. Both parts maintain REACH Unaffected status and EAR99 export classification. The packaging format difference (Cut Tape versus Tube) does not affect functional compatibility and reflects standard industry packaging options for active production parts.

Frequently Asked Questions (FAQ)

Q: Can the X9313USZT1 directly replace the X9313UST2 in existing designs?

A: Yes. The X9313USZT1 is electrically and mechanically identical to the X9313UST2 across all functional parameters, including resistance value, tap count, interface protocol, supply voltage, and package footprint. No circuit modifications are required.

Q: What is the significance of the product status difference?

A: The X9313UST2 is classified as obsolete, indicating discontinued production and limited availability. The X9313USZT1 maintains active status, ensuring reliable supply for current and future production requirements.

Q: Does the RoHS compliance difference affect substitution?

A: The X9313USZT1 is ROHS3 compliant while the X9313UST2 is non-compliant. For applications subject to RoHS regulations, the X9313USZT1 is the required choice. For legacy systems without RoHS requirements, both parts remain functionally equivalent.

Q: Are there packaging considerations for the substitution?

A: The X9313UST2 is supplied in Tube packaging, while the X9313USZT1 is supplied in Cut Tape (CT) format. Both packaging formats are standard for 8-SOIC components and do not affect electrical performance or PCB assembly compatibility.

Q: What parameters must remain identical for substitution validity?

A: Resistance value (50kΩ), tap count (32), interface type (Up/Down U/D, INC, CS), circuit count (1), memory type (Non-Volatile), supply voltage (5V), and package type (8-SOIC) must all remain unchanged for direct substitution.