ST32TA104 Equivalent & Substitute Parts

Part Overview

The ST32TA104 is a 100 kOhms surface mount trimmer potentiometer rated at 0.125W (1/8W) with J Lead termination and cermet resistive material. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing production and maintenance applications. The part operates with 1-turn top adjustment and is designed for precision tuning in compact form factors.

Substiute Parts

ST32TA104

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 667ST32TA104 Datasheet

Current PartRFQ

ST-32ETA104

Nidec Components CorporationIn Stock: 30016ST-32ETA104 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ST32TA104 is determined by strict equivalence across the following critical parameters: resistance value (100 kOhms), power rating (0.125W), tolerance (±20%), temperature coefficient (±100ppm/°C), number of turns (1), adjustment type (top adjustment), resistive material (cermet), mounting type (surface mount), termination style (J Lead), and physical dimensions (3.40mm x 3.40mm square face).

The ST-32ETA104 meets all these criteria and belongs to the same ST-32 series, establishing it as a direct functional equivalent. The primary distinction lies in product status and compliance certifications rather than electrical or mechanical characteristics.

Parameter Comparison

Engineering Selection Recommendations

The ST-32ETA104 is the direct substitute for the obsolete ST32TA104. Both components share identical electrical specifications, mechanical dimensions, and functional characteristics. The ST-32ETA104 offers the advantage of active product status with ROHS3 compliance, addressing regulatory requirements for new designs and production continuity. Selection between these parts should be based on application compliance requirements and supply chain availability, as the ST32TA104 remains available in limited inventory (657 pcs) while the ST-32ETA104 maintains significantly higher stock levels (29,980 pcs).

Frequently Asked Questions (FAQ)

Q: Can the ST-32ETA104 be used as a direct replacement for the ST32TA104?

A: Yes. Both components are electrically and mechanically identical across all specified parameters: 100 kOhms resistance, 0.125W power rating, ±20% tolerance, ±100ppm/°C temperature coefficient, 1-turn top adjustment, cermet material, J Lead termination, and 3.40mm x 3.40mm square form factor.

Q: What is the primary difference between these two parts?

A: The ST-32ETA104 is an active product with ROHS3 compliance, while the ST32TA104 is obsolete and RoHS non-compliant. Functionally, there are no differences.

Q: Are there packaging differences between ST32TA104 and ST-32ETA104?

A: The ST32TA104 packaging is not specified in available data. The ST-32ETA104 is supplied in Tape & Reel (TR) format. Confirm packaging requirements with your procurement specifications.

Q: Do these parts have the same moisture sensitivity rating?

A: Yes. Both components have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity constraints for storage or handling.

Q: Are both parts compliant with REACH and export regulations?

A: Yes. Both the ST32TA104 and ST-32ETA104 are REACH Unaffected and classified under ECCN EAR99, with identical HTSUS code 8533.40.8050.