RC1608F5111CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F5111CS is a 5.11 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 RoHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC1608F5111CS

Samsung Electro-MechanicsIn Stock: 1081RC1608F5111CS Datasheet

Current PartRFQ

CR0603-FX-5111ELF

Bourns Inc.In Stock: 200781CR0603-FX-5111ELF Datasheet

DirectRFQ

CRG0603F5K11

TE Connectivity Passive ProductIn Stock: 864CRG0603F5K11 Datasheet

DirectRFQ

RC0603FR-075K11L

YAGEOIn Stock: 250681RC0603FR-075K11L Datasheet

DirectRFQ

AC0603FR-075K11L

YAGEOIn Stock: 9570AC0603FR-075K11L Datasheet

SimilarRFQ

CRCW06035K11FKEA

Vishay DaleIn Stock: 108789CRCW06035K11FKEA Datasheet

SimilarRFQ

CRCW06035K11FKTA

Vishay DaleIn Stock: 47100CRCW06035K11FKTA Datasheet

SimilarRFQ

ERJ-3EKF5111V

Panasonic Electronic ComponentsIn Stock: 324203ERJ-3EKF5111V Datasheet

SimilarRFQ

RMCF0603FT5K11

Stackpole Electronics IncIn Stock: 209741RMCF0603FT5K11 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F5111CS are classified into two categories based on substitution compatibility:

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

• CR0603-FX-5111ELF (Bourns Inc.)
• CRG0603F5K11 (TE Connectivity Passive Product)
• RC0603FR-075K11L (YAGEO)

These parts share the same resistance value (5.11 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and MSL rating (1). All are thick film composition with 2 terminations.

Similar Substitutes contain additional features or certifications beyond the base specification:

• AC0603FR-075K11L (YAGEO) – Automotive AEC-Q200 rated
• CRCW06035K11FKEA (Vishay Dale) – Automotive AEC-Q200 rated
• CRCW06035K11FKTA (Vishay Dale) – Automotive AEC-Q200 rated
• ERJ-3EKF5111V (Panasonic Electronic Components) – Automotive AEC-Q200 rated
• RMCF0603FT5K11 (Stackpole Electronics Inc) – Automotive AEC-Q200 rated

Similar substitutes maintain core electrical parameters but include automotive-grade qualification (AEC-Q200). These parts are suitable for applications requiring enhanced reliability standards or automotive compliance.

Parameter Comparison

Engineering Selection Recommendations

For Standard Industrial Applications: Select from direct substitutes CR0603-FX-5111ELF, CRG0603F5K11, or RC0603FR-075K11L. These components maintain identical specifications to the RC1608F5111CS with full RoHS3 compliance and MSL 1 rating. All three are actively produced with high inventory availability.

For Automotive Applications: Select from AEC-Q200 qualified alternatives: AC0603FR-075K11L, CRCW06035K11FKEA, ERJ-3EKF5111V, or RMCF0603FT5K11. These parts meet automotive reliability standards while maintaining core electrical specifications. CRCW06035K11FKTA is not recommended due to RoHS non-compliance status.

For RoHS3 Compliance Requirement: All parts except CRCW06035K11FKTA maintain ROHS3 Compliant status. Verify compliance requirements before component selection.

For Moisture-Resistant Applications: RC1608F5111CS, CR0603-FX-5111ELF, RC0603FR-075K11L, AC0603FR-075K11L, and ERJ-3EKF5111V explicitly feature moisture-resistant construction. CRG0603F5K11, CRCW06035K11FKEA, CRCW06035K11FKTA, and RMCF0603FT5K11 do not specify moisture-resistant features in provided data.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-5111ELF directly replace RC1608F5111CS without circuit modification?

A: Yes. CR0603-FX-5111ELF is a direct substitute with identical resistance (5.11 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). No circuit modification is required.

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

A: Direct substitutes (CR0603-FX-5111ELF, CRG0603F5K11, RC0603FR-075K11L) match all electrical and mechanical specifications without additional certifications. Similar substitutes add AEC-Q200 automotive qualification while maintaining core specifications. Selection depends on application requirements.

Q: Is CRCW06035K11FKTA suitable for new designs?

A: CRCW06035K11FKTA is not recommended for new designs. This part is RoHS non-compliant and REACH Affected, which conflicts with modern regulatory requirements. Use CRCW06035K11FKEA instead, which maintains AEC-Q200 qualification with ROHS3 compliance.

Q: Do all substitute parts have the same physical dimensions?

A: Core dimensions are equivalent (0603 package format, 1.60mm x 0.80mm nominal length x width). Minor variations exist in height and width tolerances across manufacturers. CRCW06035K11FKEA and CRCW06035K11FKTA show slight dimensional differences (0.061" L x 0.033" W vs. 0.063" L x 0.033" W). Verify PCB footprint compatibility for critical applications.

Q: Which substitute has the highest inventory availability?

A: RC0603FR-075K11L (YAGEO) has 250,613 pieces in stock. ERJ-3EKF5111V (Panasonic) has 324,176 pieces. Both provide excellent supply continuity for high-volume production.

Q: Are all substitutes suitable for moisture-sensitive environments?

A: RC1608F5111CS, CR0603-FX-5111ELF, RC0603FR-075K11L, AC0603FR-075K11L, and ERJ-3EKF5111V explicitly feature moisture-resistant construction. Other substitutes do not specify moisture resistance in provided specifications. For moisture-sensitive applications, select from the moisture-resistant group.

Q: What is MSL 1 rating significance?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, eliminating moisture-related handling constraints during storage and assembly.