RC3216F66R5CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F66R5CS is a 66.5 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Substiute Parts

RC3216F66R5CS

Samsung Electro-MechanicsIn Stock: 749RC3216F66R5CS Datasheet

Current PartRFQ

RC1206FR-0766R5L

YAGEOIn Stock: 94549RC1206FR-0766R5L Datasheet

DirectRFQ

CRCW120666R5FKEA

Vishay DaleIn Stock: 15583CRCW120666R5FKEA Datasheet

SimilarRFQ

CRCW120666R5FKEAHP

Vishay DaleIn Stock: 5680CRCW120666R5FKEAHP Datasheet

SimilarRFQ

ERJ-8ENF66R5V

Panasonic Electronic ComponentsIn Stock: 42861ERJ-8ENF66R5V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3216F66R5CS are classified based on strict electrical and mechanical parameter alignment. The primary substitution criteria are: resistance value (66.5 Ohms), tolerance (±1%), power rating (0.25W minimum), package format (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Parts are grouped into two categories:

Direct Substitutes maintain all electrical and mechanical specifications identical to the original component, differing only in manufacturer or packaging format.

Similar Substitutes meet all core electrical parameters and package requirements but may include enhanced features (such as automotive AEC-Q200 qualification or increased power rating) or minor dimensional variations within acceptable tolerances.

Parameter Comparison

Engineering Selection Recommendations

RC1206FR-0766R5L (YAGEO) is the primary direct substitute for RC3216F66R5CS. This part maintains identical electrical specifications, package format, and compliance certifications. YAGEO RC_L series components are Active status products with equivalent moisture resistance and temperature performance. Dimensional variation (3.10mm length versus 3.20mm) remains within standard 1206 package tolerances and does not affect PCB layout compatibility.

CRCW120666R5FKEA (Vishay Dale) qualifies as a direct electrical substitute with the addition of automotive AEC-Q200 qualification. This certification provides enhanced reliability documentation suitable for automotive and industrial applications. Dimensional specifications match the original component exactly. Active product status ensures continued availability and manufacturing support.

CRCW120666R5FKEAHP (Vishay Dale) is a similar substitute with increased power rating (0.75W versus 0.25W). This higher power rating provides additional thermal margin in applications where the original 0.25W specification is marginal. AEC-Q200 qualification and pulse withstanding capability are included. This part is suitable for applications requiring enhanced power dissipation capability while maintaining the same resistance and tolerance values.

ERJ-8ENF66R5V (Panasonic) meets all electrical and mechanical specifications with AEC-Q200 automotive qualification. However, this component carries "Not For New Designs" product status, indicating Panasonic has discontinued active development. Existing inventory availability is substantial (42,850 pieces), but this part should be selected only for legacy system maintenance or when existing design documentation specifically requires Panasonic components.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-0766R5L replace RC3216F66R5CS directly on the PCB?

A: Yes. Both components use the 1206 (3216 Metric) package format with identical pad spacing and electrical specifications. The minor length difference (3.10mm versus 3.20mm) falls within standard 1206 package tolerance and does not affect PCB footprint compatibility.

Q: What is the difference between CRCW120666R5FKEA and CRCW120666R5FKEAHP?

A: The primary difference is power rating. CRCW120666R5FKEA is rated 0.25W (1/4W), matching the original RC3216F66R5CS specification. CRCW120666R5FKEAHP is rated 0.75W (3/4W) with pulse withstanding capability. Both share identical resistance, tolerance, and package specifications. The higher power rating provides additional thermal headroom in power-dissipative applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status and REACH Unaffected designation, matching the original RC3216F66R5CS compliance profile.

Q: Why is ERJ-8ENF66R5V marked "Not For New Designs"?

A: This designation indicates Panasonic has transitioned this product line and is not actively developing new variants. While existing inventory is available, Panasonic recommends alternative parts for new circuit designs. This part is suitable for legacy system support or replacement applications only.

Q: Do all substitute parts operate across the same temperature range?

A: Yes. All substitute parts operate from -55°C to 155°C with ±100ppm/°C temperature coefficient, matching the original RC3216F66R5CS specification.

Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts, including the original and substitutes, carry this classification, eliminating moisture-related supply chain constraints.