RCS3216F511CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F511CS is a 510 Ohm ±1% 0.25W (1/4W) chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This thick film resistor features anti-sulfur and moisture-resistant construction with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) rating.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when design specifications permit selection from qualified manufacturers offering identical or enhanced electrical and mechanical characteristics within the same package class.

Substiute Parts

RCS3216F511CS

Samsung Electro-MechanicsIn Stock: 732RCS3216F511CS Datasheet

Current PartRFQ

RC3216F511CS

Samsung Electro-MechanicsIn Stock: 835RC3216F511CS Datasheet

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AC1206FR-07510RL

YAGEOIn Stock: 19891AC1206FR-07510RL Datasheet

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CR1206-FX-5100ELF

Bourns Inc.In Stock: 62862CR1206-FX-5100ELF Datasheet

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CRCW1206510RFKEA

Vishay DaleIn Stock: 20910CRCW1206510RFKEA Datasheet

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CRCW1206510RFKEAHP

Vishay DaleIn Stock: 22991CRCW1206510RFKEAHP Datasheet

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CRCW1206510RFKTA

Vishay DaleIn Stock: 1103CRCW1206510RFKTA Datasheet

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ERJ-8ENF5100V

Panasonic Electronic ComponentsIn Stock: 50614ERJ-8ENF5100V Datasheet

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RC1206FR-07510RL

YAGEOIn Stock: 20232RC1206FR-07510RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F511CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 510 Ohms
• Tolerance: ±1%
• Package / Case: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C to 155°C
• Moisture Sensitivity Level: 1 (Unlimited)

Acceptable Variation Parameters:

• Power Rating: 0.25W (1/4W) or higher
• Manufacturer: Different qualified manufacturers
• Packaging format: Cut Tape (CT), Digi-Reel®, or Tape & Reel (TR)
• Certifications: Additional certifications (AEC-Q200) are acceptable enhancements
• RoHS Status: ROHS3 compliant preferred; non-compliant parts noted separately

All substitute parts listed maintain identical electrical specifications and physical package dimensions within tolerance, ensuring direct functional replacement in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Fully Compliant):

RC3216F511CS (Samsung Electro-Mechanics) and RC1206FR-07510RL (YAGEO) are direct functional equivalents with identical electrical and mechanical specifications. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these and the primary part depends on packaging format availability and supply chain requirements.

AEC-Q200 Qualified Alternatives:

AC1206FR-07510RL (YAGEO), CRCW1206510RFKEA (Vishay Dale), and ERJ-8ENF5100V (Panasonic) provide automotive-grade qualification through AEC-Q200 certification. These parts are suitable for applications requiring automotive-level reliability and traceability. All three maintain ROHS3 compliance.

Enhanced Power Rating Option:

CRCW1206510RFKEAHP (Vishay Dale) offers 0.75W (3/4W) power rating with pulse withstanding capability in the same 1206 package. This part is suitable for applications requiring higher transient power dissipation while maintaining identical resistance, tolerance, and temperature characteristics. ROHS3 compliant.

Non-Compliant Part:

CRCW1206510RFKTA (Vishay Dale) is RoHS non-compliant and REACH affected. This part is listed for reference only and should not be selected for new designs or applications requiring regulatory compliance.

Discontinued Product Status:

ERJ-8ENF5100V (Panasonic) carries "Not For New Designs" status. While electrically and mechanically equivalent, this part should not be selected for new product development. Existing inventory may be used for legacy system support only.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F511CS for RCS3216F511CS?

A: Yes. Both parts are manufactured by Samsung Electro-Mechanics with identical electrical specifications (510 Ω ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C) and 1206 package format. The primary difference is packaging format (Cut Tape & Digi-Reel® versus standard packaging). Functional compatibility is confirmed.

Q: What is the difference between the 0.25W and 0.75W versions?

A: CRCW1206510RFKEAHP provides 0.75W power rating compared to 0.25W in the standard version. Both occupy the same 1206 package. The higher power rating allows greater transient current handling and thermal dissipation capability. Selection depends on circuit power requirements. Resistance, tolerance, and temperature characteristics remain identical.

Q: Are AEC-Q200 parts interchangeable with non-automotive versions?

A: Yes, from an electrical and mechanical standpoint. AEC-Q200 certification indicates automotive-grade qualification with enhanced reliability testing and traceability requirements. Non-automotive parts (RC3216F511CS, CR1206-FX-5100ELF) meet identical electrical specifications and can function in automotive applications. However, AEC-Q200 parts are required for applications demanding automotive compliance documentation.

Q: Why is ERJ-8ENF5100V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) has discontinued active development and recommends alternative parts for new product designs. Existing inventory may be available for legacy system support or repair applications. For new designs, select from active product status parts: AC1206FR-07510RL, CRCW1206510RFKEA, or CR1206-FX-5100ELF.

Q: What does ROHS3 compliance mean for this resistor?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All recommended substitutes except CRCW1206510RFKTA carry ROHS3 compliance, suitable for applications in regulated markets including Europe and Asia-Pacific regions.

Q: Can I use a higher tolerance part (±5%) as a substitute?

A: No. The RCS3216F511CS specifies ±1% tolerance. Substitutes must maintain this tolerance specification. All listed alternatives maintain ±1% tolerance. Using higher tolerance parts would alter circuit performance and violate design specifications.

Q: What is MSL 1 (Unlimited) rating?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life without special moisture control storage requirements. All listed substitutes maintain MSL 1 rating, confirming compatibility with standard warehouse and assembly environments without desiccant packaging or controlled humidity storage.

Q: Are physical dimensions identical across all substitutes?

A: All substitutes use 1206 (3216 Metric) package format with nominal dimensions 3.20mm × 1.60mm length and width. Height varies slightly (0.60mm to 0.75mm maximum seated height) due to manufacturing tolerances and construction methods. These variations remain within standard PCB assembly tolerances and do not affect functional compatibility or solderability.