RC1608F1961CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1961CS is a 1.96 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status with 898 pieces currently in stock. The RC1608F1961CS features moisture-resistant construction, ROHS3 compliance, and unlimited moisture sensitivity level (MSL 1), making it suitable for general industrial and consumer applications. Equivalent and substitute parts are necessary to address supply chain continuity, inventory optimization, and application-specific requirements such as automotive qualification or alternative packaging formats.

Substiute Parts

RC1608F1961CS

Samsung Electro-MechanicsIn Stock: 919RC1608F1961CS Datasheet

Current PartRFQ

RC0603FR-071K96L

YAGEOIn Stock: 621580RC0603FR-071K96L Datasheet

DirectRFQ

MCR03ERTF1961

Rohm SemiconductorIn Stock: 1140MCR03ERTF1961 Datasheet

UpgradeRFQ

AC0603FR-071K96L

YAGEOIn Stock: 5418AC0603FR-071K96L Datasheet

SimilarRFQ

CRCW06031K96FKEA

Vishay DaleIn Stock: 15132CRCW06031K96FKEA Datasheet

SimilarRFQ

ERJ-3EKF1961V

Panasonic Electronic ComponentsIn Stock: 91691ERJ-3EKF1961V Datasheet

SimilarRFQ

RMCF0603FT1K96

Stackpole Electronics IncIn Stock: 47836RMCF0603FT1K96 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F1961CS are classified into three categories based on substitution relationship and application suitability:

Direct Manufacturer Substitute (Equivalent Replacement): Parts in this category share identical electrical specifications, package dimensions, and performance characteristics. The RC0603FR-071K96L from YAGEO is a direct functional equivalent with the same 1.96 kOhms resistance, ±1% tolerance, 0.1W power rating, and 0603 package. This part maintains all critical parameters including temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1).

Upgrade Manufacturer Substitute (Discontinued Product): The MCR03ERTF1961 from Rohm Semiconductor matches all electrical and mechanical specifications but carries a Discontinued at DiGi Electronics product status. This part is functionally equivalent but may have limited future availability. It maintains identical resistance, tolerance, power rating, package format, and environmental specifications.

Similar Manufacturer Substitutes (Application-Specific Variants): Parts in this category meet all core electrical and mechanical requirements but include additional features or certifications:

• AC0603FR-071K96L (YAGEO): Adds Automotive AEC-Q200 qualification and moisture-resistant feature
• CRCW06031K96FKEA (Vishay Dale): Includes Automotive AEC-Q200 qualification with minor dimensional variations (1.55mm x 0.85mm vs. 1.60mm x 0.80mm)
• ERJ-3EKF1961V (Panasonic): Automotive AEC-Q200 qualified with identical dimensions to main part
• RMCF0603FT1K96 (Stackpole Electronics): Automotive AEC-Q200 qualified with minor length variation (1.55mm vs. 1.60mm)

All substitutes maintain the critical parameters: 1.96 kOhms resistance, ±1% tolerance, 0.1W power, 0603 package, thick film composition, ±100ppm/°C temperature coefficient, -55°C ~ 155°C operating range, ROHS3 compliance, and MSL 1 rating.

Parameter Comparison

Engineering Selection Recommendations

For General Industrial Applications: The RC0603FR-071K96L from YAGEO is the primary direct substitute for the RC1608F1961CS. Both parts are Active status with identical electrical and mechanical specifications. YAGEO's part offers significantly higher inventory availability (621,555 pieces) compared to the Samsung original (898 pieces), providing superior supply chain reliability. Both maintain ROHS3 compliance and MSL 1 rating.

For Automotive Applications: When AEC-Q200 automotive qualification is required, select from the following Active status parts:

• ERJ-3EKF1961V (Panasonic): Highest inventory (91,660 pieces) with identical dimensions to the original part
• CRCW06031K96FKEA (Vishay Dale): Second highest inventory (15,032 pieces) with minor dimensional variations
• AC0603FR-071K96L (YAGEO): Moderate inventory (5,364 pieces) with moisture-resistant feature specification
• RMCF0603FT1K96 (Stackpole Electronics): Adequate inventory (47,763 pieces) with minor length variation

All automotive-qualified substitutes maintain the core electrical specifications and ROHS3 compliance required for automotive applications.

For Discontinued Product Replacement: The MCR03ERTF1961 from Rohm Semiconductor is marked as Discontinued at DiGi Electronics. While functionally equivalent to the original part, this option should be avoided for new designs or long-term production due to limited future availability.

Packaging Considerations: The RC1608F1961CS and most substitutes are supplied in Tape & Reel (TR) format suitable for automated assembly. The MCR03ERTF1961 and AC0603FR-071K96L are supplied in Cut Tape (CT) & Digi-Reel format, which may require different handling procedures.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-071K96L be used as a direct replacement for RC1608F1961CS?

A: Yes. The RC0603FR-071K96L from YAGEO is a direct functional equivalent. Both parts share identical resistance (1.96 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1). No circuit modifications are required.

Q: What is the difference between the main part and automotive-qualified substitutes?

A: The RC1608F1961CS is a general industrial component without automotive qualification. The automotive substitutes (AC0603FR-071K96L, CRCW06031K96FKEA, ERJ-3EKF1961V, RMCF0603FT1K96) include AEC-Q200 qualification, which certifies compliance with automotive reliability and quality standards. All other electrical and mechanical parameters remain identical. Use automotive-qualified parts only when AEC-Q200 certification is explicitly required by application specifications.

Q: Are there dimensional differences between substitute parts?

A: Most substitutes maintain the original dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm). Minor variations exist: CRCW06031K96FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) with height 0.020" (0.50mm), and RMCF0603FT1K96 measures 0.061" L x 0.031" W (1.55mm x 0.80mm). These variations remain within 0603 package specifications and do not affect PCB layout compatibility.

Q: Which substitute offers the best supply chain availability?

A: The ERJ-3EKF1961V from Panasonic Electronic Components provides the highest inventory level at 91,660 pieces. The RC0603FR-071K96L from YAGEO offers 621,555 pieces, providing the most extensive availability for non-automotive applications.

Q: Is the MCR03ERTF1961 suitable for new designs?

A: No. The MCR03ERTF1961 is marked as Discontinued at DiGi Electronics. While functionally equivalent, this part should not be selected for new product designs or applications requiring long-term production support. Use Active status alternatives instead.

Q: Do all substitutes maintain ROHS3 compliance?

A: Yes. All listed substitutes are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original RC1608F1961CS specifications.

Q: What packaging format differences exist between substitutes?

A: The RC1608F1961CS is supplied in Tape & Reel (TR) format. Most substitutes (RC0603FR-071K96L, ERJ-3EKF1961V, CRCW06031K96FKEA, RMCF0603FT1K96) are also supplied in Tape & Reel format. The MCR03ERTF1961 and AC0603FR-071K96L use Cut Tape (CT) & Digi-Reel format, which may require different feeder compatibility on automated assembly equipment.