RC6432F84R5CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F84R5CS is an 84.5 Ohm ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 749 units in stock.

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit alternative qualified sources. The ERJ-1TNF84R5U from Panasonic Electronic Components provides functional equivalence with identical electrical specifications, though it carries a "Not For New Designs" status and includes automotive AEC-Q200 qualification.

Substiute Parts

RC6432F84R5CS

Samsung Electro-MechanicsIn Stock: 782RC6432F84R5CS Datasheet

Current PartRFQ

ERJ-1TNF84R5U

Panasonic Electronic ComponentsIn Stock: 5246ERJ-1TNF84R5U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F84R5CS is determined by strict alignment with the following parameters:

Critical Matching Parameters:

• Resistance value: 84.5 Ohms (exact match required)
• Tolerance: ±1% (no deviation permitted)
• Power rating: 1W (no reduction allowed)
• Package: 2512 (6432 Metric) (physical and electrical footprint compatibility)

Important Matching Parameters:

• Composition: Thick Film (maintains frequency response characteristics)
• Temperature coefficient: ±100ppm/°C (ensures predictable drift behavior)
• Operating temperature range: -55°C ~ 155°C (application environment compatibility)
• RoHS compliance: ROHS3 (regulatory requirement)
• Moisture sensitivity: MSL 1 (storage and handling compatibility)

The ERJ-1TNF84R5U meets all critical and important parameters. Dimensional variations (0.252" L vs 0.248" L; 0.028" H vs 0.026" H) remain within acceptable PCB assembly tolerances for 2512 package specifications. The automotive AEC-Q200 qualification of the substitute part exceeds the base requirement and does not restrict its use in non-automotive applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (RC6432F84R5CS): Select the RC6432F84R5CS for new designs when supply availability permits. The part maintains active production status, ensuring long-term availability and consistent manufacturing processes. Current inventory of 749 units supports immediate procurement requirements.

Substitute Part Selection (ERJ-1TNF84R5U): The ERJ-1TNF84R5U is electrically and mechanically equivalent and may be selected when the primary part experiences supply constraints. Although designated "Not For New Designs" by Panasonic, this status reflects the manufacturer's product lifecycle management and does not indicate technical inadequacy. The part's AEC-Q200 automotive qualification provides additional reliability assurance beyond base requirements.

Compliance Considerations: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for EU and international markets. MSL 1 rating for both parts eliminates moisture-related handling restrictions.

Dimensional Compatibility: Dimensional variations between the two parts (length: 0.004" difference; height: 0.002" difference) fall within standard PCB assembly tolerances for 2512 package specifications and do not require footprint redesign.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF84R5U be used as a direct replacement for RC6432F84R5CS in existing designs?

A: Yes. The ERJ-1TNF84R5U provides direct functional equivalence. All critical electrical parameters (resistance, tolerance, power rating, temperature coefficient) and operating conditions match exactly. The 2512 package footprint is identical. Dimensional variations are within standard PCB assembly tolerances and do not require layout modifications.

Q: What does "Not For New Designs" mean for the ERJ-1TNF84R5U?

A: This designation indicates Panasonic's product lifecycle status and reflects the manufacturer's internal planning. It does not signify technical deficiency or performance degradation. The part remains fully functional and qualified. The designation typically reflects manufacturer intent to transition customers to newer product lines over time.

Q: Are there differences in moisture sensitivity between these parts?

A: No. Both parts carry MSL 1 (Unlimited) rating, indicating identical moisture sensitivity characteristics. Both parts require standard dry storage practices but do not impose special handling restrictions.

Q: Does the AEC-Q200 qualification of the ERJ-1TNF84R5U affect its use in non-automotive applications?

A: No. AEC-Q200 qualification represents an additional quality and reliability standard. Parts qualified to automotive standards exceed requirements for general industrial and consumer applications. The qualification does not restrict use in non-automotive circuits.

Q: What is the significance of the ±100ppm/°C temperature coefficient?

A: The temperature coefficient defines how the resistance value changes with temperature. At ±100ppm/°C, a 1°C temperature change produces a maximum 0.01% resistance change. Both parts exhibit identical temperature stability, ensuring equivalent circuit performance across the -55°C to 155°C operating range.

Q: Are there any PCB layout considerations when substituting these parts?

A: No special layout modifications are required. The 2512 package footprint is standardized. Minor dimensional differences (0.004" length, 0.002" height) are absorbed within standard PCB manufacturing tolerances and do not affect component placement, soldering, or thermal performance.