ERJ-S1TF6653U Equivalent & Substitute Parts

Part Overview

The ERJ-S1TF6653U is a 665 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 790 pieces available in stock.

Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or design revisions require alternative qualified sources. The ERJ-1TNF6653U represents a direct functional equivalent from the same manufacturer, though it carries a "Not For New Designs" status, making it suitable only for legacy system support or replacement applications.

Substiute Parts

ERJ-S1TF6653U

Panasonic Electronic ComponentsIn Stock: 812ERJ-S1TF6653U Datasheet

Current PartRFQ

ERJ-1TNF6653U

Panasonic Electronic ComponentsIn Stock: 4731ERJ-1TNF6653U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1TF6653U is determined by strict equivalence across the following critical parameters:

• Resistance value: 665 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-1TNF6653U from Panasonic meets all electrical and mechanical parameters required for direct substitution. Additional cross-manufacturer equivalents (RMCF2512FT665K, RC2512FK-07665KL, AC2512FK-07665KL, CRCW2512665KFKEGHP, CRCW2512665KFKTG) are identified as functionally equivalent based on matching resistance, tolerance, power rating, package, and automotive qualification specifications.

Parameter Comparison

Engineering Selection Recommendations

For new design implementations, the ERJ-S1TF6653U is the primary selection due to its active product status and current manufacturing availability. This part carries full automotive AEC-Q200 qualification and ROHS3 compliance, meeting contemporary regulatory requirements.

The ERJ-1TNF6653U from Panasonic is suitable only for legacy system maintenance and replacement applications, as it carries "Not For New Designs" status. This designation indicates the part is in mature phase with limited future availability.

Cross-manufacturer alternatives (RMCF2512FT665K, RC2512FK-07665KL, AC2512FK-07665KL, CRCW2512665KFKEGHP, CRCW2512665KFKTG) provide equivalent electrical and mechanical performance with active production status. Selection among these alternatives depends on supply chain availability, procurement lead times, and existing qualification documentation within your organization.

All listed substitutes maintain identical electrical specifications, package dimensions, and automotive qualification levels, ensuring direct functional interchangeability in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF6653U be used as a direct replacement for ERJ-S1TF6653U?

A: Yes. Both parts share identical electrical parameters (665 kOhms ±1%, 1W), package configuration (2512), composition (thick film), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and AEC-Q200 automotive qualification. The primary difference is product status; ERJ-1TNF6653U is designated "Not For New Designs," making it suitable for legacy applications only.

Q: What distinguishes the ERJ-S1TF6653U from the ERJ-1TNF6653U?

A: The ERJ-S1TF6653U includes anti-sulfur coating as an additional feature, while the ERJ-1TNF6653U does not specify this coating. Both parts are otherwise electrically and mechanically equivalent. The ERJ-S1TF6653U maintains active production status.

Q: Are cross-manufacturer parts (Vishay, Yageo) compatible with Panasonic ERJ-S1TF6653U?

A: Yes. RMCF2512FT665K (Vishay), RC2512FK-07665KL (Yageo), AC2512FK-07665KL (Yageo), CRCW2512665KFKEGHP (Vishay), and CRCW2512665KFKTG (Vishay) are functionally equivalent. All match the required resistance, tolerance, power rating, package, composition, temperature coefficient, operating range, and AEC-Q200 qualification. PCB layout and footprint compatibility is ensured by identical 2512 package specifications.

Q: Does package size remain consistent across all substitute parts?

A: Yes. All listed parts use the 2512 (6432 Metric) package with identical dimensions: 0.252" L x 0.126" W (6.40mm x 3.20mm) and maximum seated height of 0.028" (0.70mm). Direct PCB footprint compatibility is maintained.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed parts carry ROHS3 Compliant status and maintain MSL 1 (Unlimited) moisture sensitivity rating, meeting current environmental and regulatory requirements.

Q: Which part should be selected for new automotive designs?

A: The ERJ-S1TF6653U is the recommended selection for new designs due to active production status, anti-sulfur coating feature, and full AEC-Q200 automotive qualification. Cross-manufacturer alternatives with active status (Vishay and Yageo parts) are acceptable if supply constraints or procurement requirements necessitate alternative sourcing.