RC1608F12R7CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F12R7CS is a 12.7 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status with moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and consumer applications requiring precision resistive elements in compact form factors.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or application-specific certifications such as automotive qualification.

Substiute Parts

RC1608F12R7CS

Samsung Electro-MechanicsIn Stock: 967RC1608F12R7CS Datasheet

Current PartRFQ

CRCW060312R7FKEA

Vishay DaleIn Stock: 21183CRCW060312R7FKEA Datasheet

SimilarRFQ

ERJ-3EKF12R7V

Panasonic Electronic ComponentsIn Stock: 11239ERJ-3EKF12R7V Datasheet

SimilarRFQ

RMCF0603FT12R7

Stackpole Electronics IncIn Stock: 9326RMCF0603FT12R7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F12R7CS are qualified based on strict electrical and mechanical parameter matching. All identified substitutes maintain identical specifications across the following critical parameters:

Mandatory Matching Parameters:

• Resistance: 12.7 Ohms (exact value)
• Tolerance: ±1% (precision class)
• Power Rating: 0.1W, 1/10W (thermal capacity)
• Package: 0603 (1608 Metric) (physical footprint)
• Composition: Thick Film (construction type)
• Temperature Coefficient: ±100ppm/°C (stability)
• Operating Temperature: -55°C ~ 155°C (environmental range)
• RoHS Status: ROHS3 Compliant (regulatory requirement)
• Moisture Sensitivity: MSL 1 (handling classification)
• Terminations: 2 (connection points)

Allowable Variations: Dimensional tolerances within supplier specifications for length, width, and seated height are acceptable provided they remain within standard 0603 package envelope limits and do not affect PCB assembly compatibility.

Substitute parts may include additional certifications (such as AEC-Q200 automotive qualification) beyond the base requirements of the main part. These represent enhanced capability and do not restrict substitution eligibility.

Parameter Comparison

Engineering Selection Recommendations

All four parts listed—RC1608F12R7CS (Samsung Electro-Mechanics), CRCW060312R7FKEA (Vishay Dale), ERJ-3EKF12R7V (Panasonic Electronic Components), and RMCF0603FT12R7 (Stackpole Electronics Inc)—are functionally equivalent for applications requiring a 12.7 Ohm ±1% 0.1W 0603 thick film chip resistor.

Selection Basis:

The RC1608F12R7CS serves as the primary reference part with moisture resistant characteristics and unlimited MSL rating, suitable for general industrial applications.

The three substitute parts (CRCW060312R7FKEA, ERJ-3EKF12R7V, RMCF0603FT12R7) each carry AEC-Q200 automotive qualification, indicating enhanced reliability screening and qualification for automotive-grade applications. These parts are interchangeable with the main part for standard applications and provide additional assurance for mission-critical or automotive-related designs.

Selection among these four parts should be based on:

• Inventory availability and lead time requirements
• Supply chain preferences and established vendor relationships
• Application-specific requirements (automotive qualification if needed)
• Cost considerations and volume pricing structures
• Packaging and logistics requirements

All parts maintain identical electrical performance, thermal characteristics, and regulatory compliance status (ROHS3, REACH unaffected, EAR99 classification).

Frequently Asked Questions (FAQ)

Q: Can CRCW060312R7FKEA, ERJ-3EKF12R7V, or RMCF0603FT12R7 be used as direct replacements for RC1608F12R7CS?

A: Yes. All four parts are electrically and mechanically equivalent. They share identical resistance value (12.7 Ohms), tolerance (±1%), power rating (0.1W), package (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and regulatory compliance (ROHS3). Direct substitution is supported at the PCB assembly level without design modification.

Q: What is the difference between the RC1608F12R7CS and the substitute parts?

A: The primary difference is manufacturer and additional certifications. The RC1608F12R7CS features moisture resistant characteristics. The three substitute parts (CRCW060312R7FKEA, ERJ-3EKF12R7V, RMCF0603FT12R7) include AEC-Q200 automotive qualification, indicating enhanced reliability testing and suitability for automotive applications. All other electrical and mechanical specifications are identical.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist within supplier tolerances. The RC1608F12R7CS and ERJ-3EKF12R7V share identical dimensions (0.063" L x 0.031" W, 1.60mm x 0.80mm length, 0.022" seated height). The CRCW060312R7FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" seated height. The RMCF0603FT12R7 measures 0.061" L x 0.031" W (1.55mm x 0.80mm) with 0.022" seated height. These variations remain within standard 0603 package envelope specifications and do not affect PCB footprint compatibility or assembly processes.

Q: Can these parts be used interchangeably in automotive applications?

A: The three substitute parts (CRCW060312R7FKEA, ERJ-3EKF12R7V, RMCF0603FT12R7) carry AEC-Q200 automotive qualification and are suitable for automotive applications. The RC1608F12R7CS, while not explicitly AEC-Q200 qualified, meets all electrical and environmental specifications required for automotive use. Application-specific requirements should determine whether AEC-Q200 qualification is mandatory.

Q: What is the MSL (Moisture Sensitivity Level) rating for all parts?

A: All four parts are rated MSL 1 (Unlimited), indicating the lowest moisture sensitivity classification. These parts do not require special moisture control during storage, handling, or assembly and can be stored under standard industrial conditions without desiccant packaging requirements.

Q: Are all parts ROHS3 compliant?

A: Yes. All four parts—RC1608F12R7CS, CRCW060312R7FKEA, ERJ-3EKF12R7V, and RMCF0603FT12R7—are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use in regulated markets.

Q: What is the temperature coefficient specification and why is it important?

A: All parts specify ±100ppm/°C temperature coefficient, indicating the resistance value will change by approximately 0.01% per degree Celsius change in operating temperature. This specification is important for precision circuits where temperature stability affects circuit performance. The identical coefficient across all parts ensures equivalent thermal behavior.

Q: Can these parts be used in high-temperature applications?

A: Yes. All parts are rated for operating temperatures from -55°C to 155°C, supporting both cryogenic and elevated temperature environments. The ±100ppm/°C temperature coefficient applies across this entire range.

Q: What packaging format is used for these parts?

A: All four parts are supplied in Tape & Reel (TR) format, the standard packaging for automated PCB assembly processes. This format supports high-speed pick-and-place equipment and is suitable for volume production environments.