RCS3216F513CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F513CS is a 51 kOhms ±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 operates across -55°C to 155°C temperature range and complies with ROHS3 standards.

Substitute parts become necessary when the primary manufacturer part experiences supply constraints, extended lead times, or when design requirements mandate specific certifications such as automotive AEC-Q200 qualification or enhanced power ratings. All substitute parts listed maintain electrical equivalence within the specified tolerance and power rating parameters.

Substiute Parts

RCS3216F513CS

Samsung Electro-MechanicsIn Stock: 1190RCS3216F513CS Datasheet

Current PartRFQ

AC1206FR-0751KL

YAGEOIn Stock: 4236AC1206FR-0751KL Datasheet

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CR1206-FX-5102ELF

Bourns Inc.In Stock: 46202CR1206-FX-5102ELF Datasheet

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CRCW120651K0FKEA

Vishay DaleIn Stock: 5173CRCW120651K0FKEA Datasheet

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CRCW120651K0FKEAHP

Vishay DaleIn Stock: 5151CRCW120651K0FKEAHP Datasheet

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ERJ-8ENF5102V

Panasonic Electronic ComponentsIn Stock: 108423ERJ-8ENF5102V Datasheet

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RC1206FR-0751KL

YAGEOIn Stock: 95287RC1206FR-0751KL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F513CS is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Resistance value: 51 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 1206 (3216 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
• RoHS Compliance: ROHS3 Compliant (exact match required)

Secondary Considerations:

• Power rating: 0.25W (1/4W) standard; 0.75W (3/4W) acceptable as uprated substitute
• Packaging format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable
• Certifications: Automotive AEC-Q200 qualification is optional enhancement
• Features: Anti-sulfur, moisture-resistant, or pulse-withstanding characteristics do not disqualify substitution

All substitute parts listed below satisfy the primary criteria. Variations in secondary parameters are noted in the comparison table.

Parameter Comparison

Engineering Selection Recommendations

Preferred Substitutes (Active Status, Full Electrical Equivalence):

1. AC1206FR-0751KL (YAGEO) — Recommended for automotive applications requiring AEC-Q200 certification. Active product status ensures continued availability and manufacturing support.

2. CR1206-FX-5102ELF (Bourns Inc.) — Suitable for general industrial applications. Highest inventory availability (46,157 pcs) provides supply security. Active product status.

3. CRCW120651K0FKEA (Vishay Dale) — Recommended for automotive designs requiring AEC-Q200 qualification. Active product status with established supply chain.

4. RC1206FR-0751KL (YAGEO) — Suitable for non-automotive applications. Largest inventory stock (95,269 pcs) ensures immediate availability. Active product status. Available in Cut Tape format for lower-volume requirements.

Uprated Substitute (Enhanced Power Capability):

5. CRCW120651K0FKEAHP (Vishay Dale) — 0.75W (3/4W) power rating provides thermal margin for pulse-withstanding applications. Maintains all other electrical parameters. AEC-Q200 certified. Active product status.

Legacy Substitute (Not Recommended for New Designs):

6. ERJ-8ENF5102V (Panasonic Electronic Components) — Marked "Not For New Designs." Use only for replacement in existing production or field service applications. AEC-Q200 certified. Highest inventory availability (108,313 pcs) for legacy support.

Frequently Asked Questions (FAQ)

Q: Can I substitute RCS3216F513CS with CRCW120651K0FKEAHP if my circuit only requires 0.25W?

A: Yes. CRCW120651K0FKEAHP is rated for 0.75W (3/4W), which exceeds the 0.25W requirement. The component will operate safely at lower power levels. This substitution is acceptable and provides thermal margin for transient conditions.

Q: What is the difference between AC1206FR-0751KL and RC1206FR-0751KL, both from YAGEO?

A: Both parts are electrically identical (51 kOhms ±1%, 0.25W, 1206 package). AC1206FR-0751KL carries AEC-Q200 automotive certification; RC1206FR-0751KL does not. AC1206FR-0751KL is supplied in Tape & Reel format; RC1206FR-0751KL is available in Cut Tape & Digi-Reel format. Select based on application requirements and packaging needs.

Q: Is ERJ-8ENF5102V suitable for new product designs?

A: No. ERJ-8ENF5102V is marked "Not For New Designs" by Panasonic. This part is reserved for replacement and field service applications only. For new designs, select from AC1206FR-0751KL, CR1206-FX-5102ELF, CRCW120651K0FKEA, or RC1206FR-0751KL.

Q: Do all substitute parts meet ROHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance profile of RCS3216F513CS.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts, including RCS3216F513CS and all substitutes, carry MSL 1 rating, ensuring identical moisture handling and storage procedures.

Q: Can I use CR1206-FX-5102ELF in automotive applications?

A: CR1206-FX-5102ELF from Bourns Inc. is not AEC-Q200 certified. For automotive applications requiring AEC-Q200 qualification, use AC1206FR-0751KL, CRCW120651K0FKEA, CRCW120651K0FKEAHP, or ERJ-8ENF5102V instead.

Q: What is the physical size difference between substitute parts?

A: All parts use 1206 (3216 Metric) package. Length varies slightly: RCS3216F513CS and CR1206-FX-5102ELF measure 0.126" (3.20mm); AC1206FR-0751KL, CRCW120651K0FKEAHP, and ERJ-8ENF5102V measure 0.122" (3.10mm); RC1206FR-0751KL measures 0.122" (3.10mm). Height variation ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These dimensional tolerances are within standard PCB design clearances for 1206 footprints.

Q: Which substitute offers the best supply availability?

A: RC1206FR-0751KL (YAGEO) has the highest inventory stock at 95,269 pcs. CR1206-FX-5102ELF (Bourns Inc.) is second with 46,157 pcs. Both ensure immediate availability for production requirements.