RC1608F2052CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F2052CS is a 20.5 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 moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and commercial applications requiring stable resistive elements with tight tolerance specifications.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits component sourcing from alternative manufacturers while maintaining electrical and mechanical compatibility.

Substiute Parts

RC1608F2052CS

Samsung Electro-MechanicsIn Stock: 1277RC1608F2052CS Datasheet

Current PartRFQ

CR0603-FX-2052ELF

Bourns Inc.In Stock: 34311CR0603-FX-2052ELF Datasheet

DirectRFQ

RC0603FR-0720K5L

YAGEOIn Stock: 5000258RC0603FR-0720K5L Datasheet

DirectRFQ

AC0603FR-0720K5L

YAGEOIn Stock: 30188AC0603FR-0720K5L Datasheet

SimilarRFQ

CRCW060320K5FKEA

Vishay DaleIn Stock: 40691CRCW060320K5FKEA Datasheet

SimilarRFQ

ERJ-3EKF2052V

Panasonic Electronic ComponentsIn Stock: 131239ERJ-3EKF2052V Datasheet

SimilarRFQ

RMCF0603FT20K5

Stackpole Electronics IncIn Stock: 62155RMCF0603FT20K5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F2052CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 20.5 kOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100 ppm/°C
• Operating temperature range: -55°C to 155°C
• Moisture sensitivity level: MSL 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant
• Number of terminations: 2

Substitution Categories:

Direct Substitutes maintain identical electrical and mechanical specifications with no functional or reliability differences:

• CR0603-FX-2052ELF (Bourns Inc.)
• RC0603FR-0720K5L (YAGEO)

Similar Substitutes meet all mandatory parameters with additional automotive-grade qualification (AEC-Q200 certification), suitable for applications where automotive-grade components are acceptable or preferred:

• AC0603FR-0720K5L (YAGEO)
• CRCW060320K5FKEA (Vishay Dale)
• ERJ-3EKF2052V (Panasonic Electronic Components)
• RMCF0603FT20K5 (Stackpole Electronics Inc)

All substitute parts maintain identical electrical performance, thermal characteristics, and environmental compliance as the primary part.

Parameter Comparison

Engineering Selection Recommendations

For Direct Substitution (Non-Automotive Applications):

CR0603-FX-2052ELF and RC0603FR-0720K5L are functionally equivalent to RC1608F2052CS with identical electrical specifications and environmental compliance. These parts are suitable for general industrial and commercial applications where automotive qualification is not required. Both maintain Active product status and ROHS3 compliance.

For Automotive or Enhanced Reliability Applications:

AC0603FR-0720K5L, CRCW060320K5FKEA, ERJ-3EKF2052V, and RMCF0603FT20K5 are qualified to AEC-Q200 automotive standards while maintaining all electrical and mechanical equivalence to the primary part. These components are appropriate for automotive, industrial control, and mission-critical applications requiring enhanced qualification documentation.

Packaging Considerations:

RC1608F2052CS and automotive-qualified alternatives (CRCW060320K5FKEA, ERJ-3EKF2052V, RMCF0603FT20K5) are supplied in Tape & Reel packaging. RC0603FR-0720K5L and AC0603FR-0720K5L are supplied in Cut Tape & Digi-Reel format. Packaging selection depends on assembly equipment compatibility and procurement volume requirements.

All substitute parts maintain identical product status (Active) and regulatory compliance (ROHS3, REACH unaffected, EAR99 classification).

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F2052CS with any of the listed alternatives without circuit redesign?

A: Yes. All listed substitute parts maintain identical resistance value (20.5 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), temperature coefficient (±100 ppm/°C), and operating temperature range (-55°C to 155°C). Direct electrical and mechanical substitution is valid without circuit modification.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes (CR0603-FX-2052ELF, RC0603FR-0720K5L) have identical specifications without automotive qualification. Similar substitutes (AC0603FR-0720K5L, CRCW060320K5FKEA, ERJ-3EKF2052V, RMCF0603FT20K5) include AEC-Q200 automotive qualification, which provides additional reliability documentation and testing. Both categories are electrically and mechanically equivalent.

Q: Does the 0603 package dimension vary between manufacturers?

A: The 0603 (1608 Metric) package is standardized. Nominal dimensions are 0.063" L x 0.031" W (1.60mm x 0.80mm). Minor dimensional variations exist: CRCW060320K5FKEA is 0.061" L x 0.033" W (1.55mm x 0.85mm), and RMCF0603FT20K5 is 0.061" L x 0.031" W (1.55mm x 0.80mm). These variations remain within 0603 package tolerance and do not affect PCB footprint compatibility.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the primary part's environmental compliance status.

Q: Which substitute has the highest inventory availability?

A: RC0603FR-0720K5L (YAGEO) has the highest inventory at 5,000,200 pieces. ERJ-3EKF2052V (Panasonic) has 131,160 pieces. RMCF0603FT20K5 (Stackpole) has 62,046 pieces. CR0603-FX-2052ELF (Bourns) has 34,253 pieces. CRCW060320K5FKEA (Vishay Dale) has 40,609 pieces. AC0603FR-0720K5L (YAGEO) has 30,140 pieces.

Q: Can I use automotive-qualified parts in non-automotive applications?

A: Yes. AEC-Q200 qualified parts (AC0603FR-0720K5L, CRCW060320K5FKEA, ERJ-3EKF2052V, RMCF0603FT20K5) are fully compatible with non-automotive applications. Automotive qualification represents additional testing and documentation; it does not restrict use in other applications.

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

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts have MSL 1 rating, meaning they can be stored indefinitely without special moisture control measures prior to assembly.

Q: Are there any thermal performance differences between substitutes?

A: No. All substitute parts maintain identical temperature coefficient (±100 ppm/°C) and operating temperature range (-55°C to 155°C), ensuring equivalent thermal stability and performance across the specified operating envelope.