X9C104SIT2 Digital Potentiometer - Equivalent & Substitute Parts

Part Overview

The X9C104SIT2 is a digital potentiometer manufactured by Renesas Electronics Corporation, featuring 100k Ohm resistance with 100 taps and Up/Down (U/D, INC, CS) interface control. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The part operates across -40°C to 85°C with 5V supply voltage and non-volatile memory configuration.

Substiute Parts

X9C104SIT2

Renesas Electronics CorporationIn Stock: 891X9C104SIT2 Datasheet

Current PartRFQ

X9C104SIZT1

Renesas Electronics CorporationIn Stock: 3675X9C104SIZT1 Datasheet

DirectRFQ

CAT5113VI-01-GT3

onsemiIn Stock: 5173CAT5113VI-01-GT3 Datasheet

SimilarRFQ

DS1804Z-100+

Analog Devices Inc./Maxim IntegratedIn Stock: 2289DS1804Z-100+ Datasheet

SimilarRFQ

DS1804Z-100+T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 3448DS1804Z-100+T&R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the X9C104SIT2 is determined by the following critical parameters: resistance value (100k Ohm), number of taps (100), interface protocol (Up/Down with U/D, INC, CS signals), package type (8-SOIC), and supply voltage compatibility. Parts are classified into two categories:

Direct Substitutes maintain all electrical and mechanical specifications identical to the main part, differing only in product status or packaging format.

Functional Alternatives share the same resistance value, tap count, interface type, and package, but may operate across different supply voltage ranges or exhibit different temperature coefficients. These alternatives require circuit-level verification of voltage compatibility.

Parameter Comparison

Engineering Selection Recommendations

X9C104SIZT1 (Renesas Electronics Corporation) is the primary direct substitute. This part maintains identical electrical specifications and operating parameters while offering active product status and ROHS3 compliance. The transition from tube to Cut Tape & Digi-Reel packaging accommodates modern supply chain requirements.

DS1804Z-100+ and DS1804Z-100+T&R (Analog Devices Inc./Maxim Integrated) provide functionally equivalent alternatives with active product status and ROHS3 compliance. Both parts maintain 100k Ohm resistance, 100 taps, and U/D, INC, CS interface compatibility. The supply voltage range (2.7V ~ 5.5V) encompasses the 5V requirement of the original design. Temperature coefficient specification (750ppm/°C) differs from the original (±300ppm/°C), requiring circuit-level thermal performance validation. The DS1804Z-100+T&R variant offers Cut Tape & Digi-Reel packaging.

CAT5113VI-01-GT3 (onsemi) is not recommended as a direct substitute due to resistance value mismatch (1k Ohm versus 100k Ohm). This part cannot fulfill the original design function without circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can X9C104SIZT1 be used as a direct replacement for X9C104SIT2?

A: Yes. X9C104SIZT1 maintains identical electrical specifications, interface protocol, package type, and operating temperature range. The primary differences are product status (active versus obsolete) and packaging format (Cut Tape & Digi-Reel versus tube). No circuit modifications are required.

Q: Are DS1804Z-100+ variants compatible with 5V supply designs?

A: Yes. The DS1804Z-100+ series operates across 2.7V ~ 5.5V supply voltage range, which includes the 5V requirement. However, the temperature coefficient (750ppm/°C) is higher than the original specification (±300ppm/°C). Applications requiring tight thermal stability across the full -40°C to 85°C range must evaluate this parameter against design tolerances.

Q: Why is CAT5113VI-01-GT3 listed as a substitute if the resistance value differs?

A: CAT5113VI-01-GT3 is listed in the original part's substitute field but is not functionally equivalent due to 1k Ohm resistance versus the required 100k Ohm. This part cannot replace X9C104SIT2 without complete circuit redesign and is not recommended for direct substitution.

Q: What packaging options are available for active substitutes?

A: X9C104SIZT1 is supplied in Cut Tape & Digi-Reel format. DS1804Z-100+ is supplied in tube packaging, while DS1804Z-100+T&R is supplied in Cut Tape & Digi-Reel format. Selection depends on procurement and assembly process requirements.

Q: Are all substitute parts RoHS compliant?

A: X9C104SIZT1, DS1804Z-100+, DS1804Z-100+T&R, and CAT5113VI-01-GT3 are all ROHS3 compliant. The original X9C104SIT2 is RoHS non-compliant. New designs should specify ROHS3-compliant alternatives.