RC3216F4R99CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F4R99CS is a 4.99 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 1,093 pieces currently in stock. The RC3216F4R99CS serves as a precision current-limiting and load resistor in electronic circuits requiring moisture-resistant thick film construction. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

RC3216F4R99CS

Samsung Electro-MechanicsIn Stock: 1127RC3216F4R99CS Datasheet

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RC1206FR-074R99L

YAGEOIn Stock: 60017RC1206FR-074R99L Datasheet

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RMCF1206FT4R99

Stackpole Electronics IncIn Stock: 117928RMCF1206FT4R99 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3216F4R99CS are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

• Resistance value: 4.99 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.25W / 1/4W (exact match required)
• Package: 1206 (3216 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Operating temperature range: -55°C ~ 155°C (minimum requirement)
• Termination count: 2 (exact match required)
• RoHS compliance: ROHS3 Compliant (exact match required)
• MSL rating: 1 (Unlimited) (exact match required)

Allowable Variations:

• Temperature coefficient: ±200ppm/°C to ±300ppm/°C (tighter tolerance acceptable)
• Physical dimensions: Minor variations within 1206 package specification
• Packaging format: Tape & Reel (TR) acceptable as alternative to standard packaging
• Additional certifications: AEC-Q200 automotive qualification acceptable as enhancement

Parameter Comparison

Engineering Selection Recommendations

RC1206FR-074R99L (YAGEO): This substitute is electrically and mechanically equivalent to the RC3216F4R99CS. The YAGEO part features an improved temperature coefficient of ±200ppm/°C compared to the Samsung part's ±300ppm/°C, providing superior temperature stability. Physical dimensions are within 1206 package tolerance with a 0.1mm length variation. The part is supplied in Tape & Reel packaging and maintains full ROHS3 compliance and MSL 1 rating. This substitute is suitable for direct replacement in applications where enhanced temperature stability is beneficial.

RMCF1206FT4R99 (Stackpole Electronics Inc): This substitute meets all electrical specifications and is mechanically compatible with the RC3216F4R99CS. The Stackpole part includes AEC-Q200 automotive qualification, indicating enhanced reliability testing and suitability for automotive-grade applications. Temperature coefficient is ±200ppm/°C. Physical dimensions match the Samsung part exactly (0.126" L x 0.063" W). Maximum seated height is 0.028" (0.70mm), representing a 0.05mm increase from the Samsung specification. The part is supplied in Tape & Reel packaging with full ROHS3 compliance and MSL 1 rating. This substitute is appropriate for applications requiring automotive-grade reliability or where AEC-Q200 certification is specified.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-074R99L replace RC3216F4R99CS in all applications?

A: Yes. Both parts share identical electrical specifications (4.99 Ohms ±1%, 0.25W) and package type (1206). The YAGEO part's improved temperature coefficient (±200ppm/°C versus ±300ppm/°C) represents a performance enhancement. Physical dimensions are within 1206 package tolerance. No design modifications are required.

Q: What is the difference between the two substitute parts?

A: RC1206FR-074R99L (YAGEO) and RMCF1206FT4R99 (Stackpole) are both electrically equivalent to the main part. The primary distinction is that RMCF1206FT4R99 carries AEC-Q200 automotive qualification and has a maximum seated height of 0.028" versus 0.026" for the YAGEO part. Select RMCF1206FT4R99 for automotive applications or where AEC-Q200 certification is required.

Q: Are there packaging format differences?

A: The main part RC3216F4R99CS is listed with standard packaging. Both substitute parts are supplied in Tape & Reel (TR) format. Tape & Reel packaging is standard for high-volume SMD component distribution and is compatible with automated assembly equipment.

Q: Do all parts meet RoHS and MSL requirements?

A: Yes. All three parts (RC3216F4R99CS, RC1206FR-074R99L, and RMCF1206FT4R99) are ROHS3 compliant and carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage and handling.

Q: Which substitute has the best inventory availability?

A: RMCF1206FT4R99 (Stackpole) has the highest inventory with 117,865 pieces in stock, followed by RC1206FR-074R99L (YAGEO) with 59,986 pieces. The main part RC3216F4R99CS has 1,093 pieces available.

Q: Are there any dimensional constraints I should consider?

A: All parts conform to the 1206 (3216 Metric) package standard. Minor dimensional variations exist: RC1206FR-074R99L has a length of 3.10mm versus 3.20mm for the other parts. RMCF1206FT4R99 has a maximum seated height of 0.70mm versus 0.65mm for the other parts. These variations are within standard 1206 package tolerances and do not affect PCB layout or assembly compatibility.