WMS7170010M Digital Potentiometer 10kΩ Equivalent & Substitute Parts

Part Overview

The WMS7170010M is a digital potentiometer manufactured by Nuvoton Technology Corporation, featuring 10kΩ resistance with 100 taps and Up/Down (U/D, INC, CS) interface in 8-MSOP surface mount packaging. This part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. Substitute parts from Renesas Electronics Corporation provide functionally equivalent solutions with active product status and improved compliance certifications.

Substiute Parts

WMS7170010M

Nuvoton Technology CorporationIn Stock: 842WMS7170010M Datasheet

Current PartRFQ

X9317WM8IZ

Renesas Electronics CorporationIn Stock: 2228X9317WM8IZ Datasheet

MFR RecommendedRFQ

X9317WM8IZ-2.7

Renesas Electronics CorporationIn Stock: 974X9317WM8IZ-2.7 Datasheet

MFR RecommendedRFQ

X9317WM8IZ-2.7T1

Renesas Electronics CorporationIn Stock: 998X9317WM8IZ-2.7T1 Datasheet

MFR RecommendedRFQ

X9317WM8IZT1

Renesas Electronics CorporationIn Stock: 1027X9317WM8IZT1 Datasheet

MFR RecommendedRFQ

X9317WM8Z

Renesas Electronics CorporationIn Stock: 949X9317WM8Z Datasheet

MFR RecommendedRFQ

X9317WM8Z-2.7

Renesas Electronics CorporationIn Stock: 2383X9317WM8Z-2.7 Datasheet

MFR RecommendedRFQ

X9317WM8Z-2.7T1

Renesas Electronics CorporationIn Stock: 886X9317WM8Z-2.7T1 Datasheet

MFR RecommendedRFQ

X9317WM8ZT1

Renesas Electronics CorporationIn Stock: 777X9317WM8ZT1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the WMS7170010M is determined by matching the following critical parameters: resistance value (10kΩ), number of taps (100), interface protocol (Up/Down with U/D, INC, CS signals), package type (8-MSOP), and memory type (non-volatile). The Renesas X9317 series digital potentiometers satisfy these core requirements across multiple variants. Substitutes are grouped by two primary differentiators: supply voltage specification (5V only versus 2.7V–5.5V range) and operating temperature range (-40°C to 85°C versus 0°C to 70°C). Packaging format (Tube versus Tape & Reel) represents a secondary consideration for procurement and assembly processes but does not affect electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

All Renesas X9317 variants listed provide direct electrical and mechanical substitution for the obsolete WMS7170010M. Selection among substitute options depends on application-specific requirements:

For applications requiring extended temperature operation (-40°C to 85°C): Select X9317WM8IZ, X9317WM8IZ-2.7, X9317WM8IZ-2.7T1, or X9317WM8IZT1. These variants maintain the full temperature range of the original part.

For applications operating within 0°C to 70°C: X9317WM8Z, X9317WM8Z-2.7, X9317WM8Z-2.7T1, and X9317WM8ZT1 are suitable alternatives with reduced operating temperature specification.

For supply voltage flexibility (2.7V–5.5V range): Select parts with "-2.7" designation: X9317WM8IZ-2.7, X9317WM8IZ-2.7T1, X9317WM8Z-2.7, or X9317WM8Z-2.7T1.

For fixed 5V supply applications: X9317WM8IZ, X9317WM8IZT1, X9317WM8Z, or X9317WM8ZT1 are appropriate.

For packaging format: Tube packaging (standard variants without "T1" suffix) suits lower-volume applications. Tape & Reel (T1 suffix) variants optimize high-volume production assembly.

All substitute parts are ROHS3 compliant and REACH unaffected, providing regulatory advantage over the non-compliant WMS7170010M. All variants maintain identical electrical interface, pin configuration, and functional operation.

Frequently Asked Questions (FAQ)

Q: Are all X9317 variants pin-compatible with the WMS7170010M? A: Yes. All listed X9317 variants use identical 8-MSOP package pinout and Up/Down (U/D, INC, CS) interface protocol, enabling direct board-level substitution without circuit modification.

Q: What is the difference between X9317WM8IZ and X9317WM8IZ-2.7? A: The X9317WM8IZ operates at 5V supply only, while X9317WM8IZ-2.7 accepts 2.7V to 5.5V supply range. Both maintain -40°C to 85°C operating temperature. Select based on your power supply specification.

Q: Can I use X9317WM8Z variants in place of X9317WM8IZ variants? A: Electrical substitution is valid only if your application operates within 0°C to 70°C. The X9317WM8Z series has a narrower temperature range than X9317WM8IZ. If your design requires -40°C to 85°C operation, use X9317WM8IZ variants.

Q: What does the "T1" suffix indicate? A: The T1 suffix denotes Tape & Reel packaging format, used for automated high-volume assembly. Standard variants (without T1) are supplied in Tube packaging. Both formats contain identical components; packaging choice depends on production volume and assembly process.

Q: Are there compliance differences between the WMS7170010M and X9317 substitutes? A: Yes. The WMS7170010M is RoHS non-compliant. All X9317 variants are ROHS3 compliant, meeting current environmental and regulatory standards. This compliance improvement is a key advantage of substitution.

Q: Do wiper resistance specifications differ between variants? A: Yes. Wiper resistance varies: X9317WM8IZ and X9317WM8IZT1 specify 200Ω typical, while X9317WM8IZ-2.7 and X9317WM8IZ-2.7T1 specify 400Ω typical. Similarly, X9317WM8Z and X9317WM8ZT1 specify 200Ω, while X9317WM8Z-2.7 and X9317WM8Z-2.7T1 specify 400Ω. Verify wiper resistance compatibility with your circuit design before selection.

Q: Can I mix packaging formats in production? A: Yes. Tube and Tape & Reel variants are electrically and mechanically identical. Mixing formats is permissible if your assembly process accommodates both packaging types, though standardizing on one format simplifies procurement and inventory management.