ERJ-S1TF2431U Equivalent & Substitute Parts

Part Overview

The ERJ-S1TF2431U is a 2.43 kOhms ±1% 1W chip resistor in 2512 (6432 Metric) package manufactured by Panasonic Electronic Components. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in automotive and industrial environments. The part is currently in active production status with 703 units in stock.

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits selection from qualified alternatives that maintain identical electrical and mechanical performance within the specified parameter tolerances.

Substiute Parts

ERJ-S1TF2431U

Panasonic Electronic ComponentsIn Stock: 812ERJ-S1TF2431U Datasheet

Current PartRFQ

ERJ-1TNF2431U

Panasonic Electronic ComponentsIn Stock: 3136ERJ-1TNF2431U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1TF2431U is determined by strict equivalence across the following critical parameters:

• Resistance value: 2.43 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Package: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1

The ERJ-1TNF2431U qualifies as a direct substitute, meeting all electrical and mechanical specifications. This part differs only in product status classification and the absence of anti-sulfur coating specification in its detailed description, though it maintains full AEC-Q200 automotive qualification and identical performance parameters.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-S1TF2431U is the preferred selection for new designs due to its active product status and ongoing manufacturer support. This part provides long-term availability and design continuity for production programs.

The ERJ-1TNF2431U serves as a qualified substitute when supply of the primary part is constrained. Although classified as "Not For New Designs," this part maintains full electrical and mechanical equivalence, identical AEC-Q200 automotive qualification, and ROHS3 compliance. The higher inventory level (3095 units) provides immediate availability for retrofit applications, legacy system support, or temporary supply relief. Both parts are manufactured by Panasonic Electronic Components and are interchangeable at the circuit level.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF2431U be used as a direct replacement for ERJ-S1TF2431U in automotive applications?

A: Yes. Both parts meet AEC-Q200 automotive qualification, operate across the identical temperature range (-55°C ~ 155°C), and deliver equivalent electrical performance with 2.43 kOhms ±1% resistance and 1W power rating in the 2512 package.

Q: What is the significance of the "Not For New Designs" status on ERJ-1TNF2431U?

A: This classification indicates the part is in mature production phase with no planned enhancements or extended development support. For new product designs, ERJ-S1TF2431U is recommended to ensure long-term availability and manufacturer support throughout the product lifecycle.

Q: Are there package compatibility concerns when substituting between these parts?

A: No. Both parts use the identical 2512 (6432 Metric) package with matching footprint dimensions (0.252" L x 0.126" W / 6.40mm x 3.20mm) and height (0.028" / 0.70mm maximum seated height). PCB layout and assembly processes require no modification.

Q: Do both parts meet the same compliance and regulatory requirements?

A: Yes. Both ERJ-S1TF2431U and ERJ-1TNF2431U are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity level (MSL 1 - Unlimited). Both are classified under ECCN EAR99 and HTSUS 8533.21.0030.

Q: What is the difference in anti-sulfur coating between these parts?

A: The ERJ-S1TF2431U specification explicitly includes anti-sulfur coating. The ERJ-1TNF2431U detailed description does not specify this feature. Both parts maintain AEC-Q200 automotive qualification and identical operating performance across the specified temperature range.