RCS3216F54R9CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F54R9CS is a 54.9 Ohm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant and suitable for general industrial and commercial applications requiring precision resistive elements with environmental protection.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

RCS3216F54R9CS

Samsung Electro-MechanicsIn Stock: 985RCS3216F54R9CS Datasheet

Current PartRFQ

CRCW120654R9FKEA

Vishay DaleIn Stock: 15322CRCW120654R9FKEA Datasheet

SimilarRFQ

ERJ-8ENF54R9V

Panasonic Electronic ComponentsIn Stock: 43799ERJ-8ENF54R9V Datasheet

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RC1206FR-0754R9L

YAGEOIn Stock: 10313RC1206FR-0754R9L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F54R9CS is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Resistance value: 54.9 Ohms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Package: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS compliance: ROHS3
• MSL rating: 1 (Unlimited)

All identified substitute parts meet these electrical and mechanical specifications. Variations in physical dimensions (length and height) remain within acceptable tolerances for 1206 package classification. Differences in specific features (automotive AEC-Q200 certification, anti-sulfur coating) represent functional enhancements or application-specific qualifications that do not prevent substitution in standard applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (Active Status): For new designs and ongoing production, select from parts with Active product status: CRCW120654R9FKEA (Vishay Dale) or RC1206FR-0754R9L (YAGEO). Both maintain full manufacturing support and long-term availability.

CRCW120654R9FKEA (Vishay Dale) is qualified to automotive AEC-Q200 standard, providing enhanced reliability documentation suitable for automotive and mission-critical applications. This part carries the highest inventory availability (15,254 units).

RC1206FR-0754R9L (YAGEO) offers moisture-resistant thick film construction with Active status and substantial inventory (10,276 units). Physical dimensions vary slightly (3.10mm length vs. 3.20mm), remaining within 1206 package tolerance specifications.

Secondary Selection (Legacy Applications): ERJ-8ENF54R9V (Panasonic Electronic Components) carries "Not For New Designs" status but maintains AEC-Q200 automotive qualification and substantial inventory (43,732 units). This part is suitable for replacement in existing production runs or field service applications where design changes are not permitted.

All substitute parts comply with ROHS3 and REACH requirements, matching the original component's environmental and regulatory standing.

Frequently Asked Questions (FAQ)

Q: Can CRCW120654R9FKEA directly replace RCS3216F54R9CS in existing designs?

A: Yes. Both parts share identical electrical specifications (54.9 Ohms ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C operating range) and 1206 package classification. Physical height difference (0.024" vs. 0.026") is within 1206 package tolerance. ROHS3 and MSL ratings are equivalent.

Q: What is the significance of AEC-Q200 certification on CRCW120654R9FKEA and ERJ-8ENF54R9V?

A: AEC-Q200 is an automotive industry qualification standard. Parts bearing this certification have undergone additional reliability testing and documentation. This qualification does not prevent use in non-automotive applications; it indicates enhanced quality assurance suitable for demanding environments.

Q: Why is ERJ-8ENF54R9V marked "Not For New Designs"?

A: This designation indicates the manufacturer is transitioning the product line. Existing inventory remains available for replacement and legacy production support, but new circuit designs should specify active-status alternatives (CRCW120654R9FKEA or RC1206FR-0754R9L) to ensure long-term supply continuity.

Q: Are there dimensional constraints when substituting RC1206FR-0754R9L (3.10mm length) for RCS3216F54R9CS (3.20mm length)?

A: No. Both parts conform to 1206 (3216 Metric) package specification. The 0.10mm length difference falls within standard package tolerance and does not affect PCB footprint compatibility or circuit performance.

Q: Do all substitute parts maintain the same moisture resistance characteristics?

A: RCS3216F54R9CS and RC1206FR-0754R9L both specify moisture-resistant thick film construction. CRCW120654R9FKEA and ERJ-8ENF54R9V do not explicitly list anti-sulfur or moisture-resistant features in their specifications, though all parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: What packaging formats are available for these substitute parts?

A: CRCW120654R9FKEA, ERJ-8ENF54R9V, and RC1206FR-0754R9L are supplied in Tape & Reel (TR) format. Verify packaging requirements with your procurement specification before ordering.