Equivalent & Substitute Parts for ERJ-S1TF5102U

Part Overview

The ERJ-S1TF5102U is a 51 kOhms ±1% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Panasonic Electronic Components. This component is rated for automotive applications under AEC-Q200 standard with anti-sulfur protection and operates across -55°C to 155°C. The part is currently in active production status. Substitute parts may be required due to supply constraints, design phase transitions, or specific application requirements where alternative manufacturers meet identical electrical and mechanical specifications.

Substiute Parts

ERJ-S1TF5102U

Panasonic Electronic ComponentsIn Stock: 1213ERJ-S1TF5102U Datasheet

Current PartRFQ

ERJ-1TNF5102U

Panasonic Electronic ComponentsIn Stock: 3598ERJ-1TNF5102U Datasheet

SimilarRFQ

RC2512FK-0751KL

YAGEOIn Stock: 11539RC2512FK-0751KL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the ERJ-S1TF5102U is determined by strict equivalence across the following parameters: resistance value (51 kOhms), tolerance (±1%), power rating (1W), package type (2512/6432 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All substitute parts must maintain these electrical and mechanical specifications to ensure functional compatibility in the target application.

The ERJ-1TNF5102U qualifies as a direct substitute despite its "Not For New Designs" status, as it maintains identical electrical parameters and package specifications. The RC2512FK-0751KL from YAGEO meets all core electrical and mechanical requirements with active product status and moisture-resistant construction.

Parameter Comparison

Engineering Selection Recommendations

For new design implementations, the ERJ-S1TF5102U is the preferred selection due to its active product status and anti-sulfur automotive qualification. The RC2512FK-0751KL from YAGEO serves as an alternative with active status and equivalent electrical specifications, suitable when Panasonic supply is constrained. The ERJ-1TNF5102U remains functionally equivalent but carries "Not For New Designs" status and should be reserved for legacy system maintenance or existing production lines where design changes are not feasible.

All three parts maintain ROHS3 compliance, unlimited moisture sensitivity rating, and identical thermal and electrical performance within the specified operating range.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF5102U be used in new designs? A: The ERJ-1TNF5102U carries "Not For New Designs" status. For new applications, use ERJ-S1TF5102U or RC2512FK-0751KL.

Q: Are the physical dimensions identical across all three parts? A: The ERJ-S1TF5102U and ERJ-1TNF5102U share identical dimensions (0.252" L x 0.126" W, 6.40mm x 3.20mm). The RC2512FK-0751KL has slightly different dimensions (0.250" L x 0.122" W, 6.35mm x 3.10mm) and maximum height (0.026" vs 0.028"), but both conform to the 2512 package standard and are mechanically compatible in standard PCB layouts.

Q: What is the difference between anti-sulfur and moisture-resistant features? A: Anti-sulfur protection in the ERJ-S1TF5102U provides specific resistance to sulfur contamination in automotive environments. The RC2512FK-0751KL offers moisture-resistant construction. Both meet the electrical and thermal requirements for the specified operating range.

Q: Are all parts suitable for automotive applications? A: The ERJ-S1TF5102U and ERJ-1TNF5102U carry AEC-Q200 automotive qualification. The RC2512FK-0751KL does not list AEC-Q200 certification in the provided specifications. For automotive applications requiring AEC-Q200 compliance, use ERJ-S1TF5102U or ERJ-1TNF5102U.

Q: Can these parts be used interchangeably in existing assemblies? A: Yes, provided the application does not require specific AEC-Q200 certification or anti-sulfur protection. All three parts maintain identical electrical parameters, temperature coefficient, and operating range. Physical dimension variations are within standard 2512 package tolerances.