RC1608F182CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F182CS is a 1.8 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. 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, making it suitable for general industrial and consumer applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct circuit board compatibility.

Substiute Parts

RC1608F182CS

Samsung Electro-MechanicsIn Stock: 974RC1608F182CS Datasheet

Current PartRFQ

CR0603-FX-1801ELF

Bourns Inc.In Stock: 74996CR0603-FX-1801ELF Datasheet

DirectRFQ

CRG0603F1K8

TE Connectivity Passive ProductIn Stock: 21014CRG0603F1K8 Datasheet

DirectRFQ

RC0603FR-071K8L

YAGEOIn Stock: 1000494RC0603FR-071K8L Datasheet

DirectRFQ

KTR03EZPF1801

Rohm SemiconductorIn Stock: 5690KTR03EZPF1801 Datasheet

UpgradeRFQ

AC0603FR-071K8L

YAGEOIn Stock: 201446AC0603FR-071K8L Datasheet

SimilarRFQ

CRCW06031K80FKEA

Vishay DaleIn Stock: 5191CRCW06031K80FKEA Datasheet

SimilarRFQ

CRCW06031K80FKEB

Vishay DaleIn Stock: 40887CRCW06031K80FKEB Datasheet

SimilarRFQ

ERJ-3EKF1801V

Panasonic Electronic ComponentsIn Stock: 32601ERJ-3EKF1801V Datasheet

SimilarRFQ

RMCF0603FT1K80

Stackpole Electronics IncIn Stock: 192526RMCF0603FT1K80 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F182CS are classified into three categories based on functional equivalence and application suitability:

Direct Substitutes share identical electrical specifications (1.8 kOhms ±1%, 0.1W), mechanical dimensions (0603 package), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). These parts are interchangeable without circuit modification:

• CR0603-FX-1801ELF (Bourns Inc.)
• CRG0603F1K8 (TE Connectivity Passive Product)
• RC0603FR-071K8L (YAGEO)

Upgrade Substitutes meet all electrical and mechanical requirements while adding enhanced features such as automotive AEC-Q200 qualification and high voltage capability. These parts provide superior reliability for demanding applications:

• KTR03EZPF1801 (Rohm Semiconductor)

Similar Substitutes match core electrical and mechanical parameters but include additional certifications (AEC-Q200) or feature variations. These parts are suitable for applications requiring automotive-grade components:

• AC0603FR-071K8L (YAGEO)
• CRCW06031K80FKEA (Vishay Dale)
• CRCW06031K80FKEB (Vishay Dale)
• ERJ-3EKF1801V (Panasonic Electronic Components)
• RMCF0603FT1K80 (Stackpole Electronics Inc)

Substitution eligibility is determined by matching: resistance value (1.8 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C).

Parameter Comparison

Engineering Selection Recommendations

For General Industrial Applications: Direct substitutes CR0603-FX-1801ELF, CRG0603F1K8, and RC0603FR-071K8L provide equivalent performance to the RC1608F182CS. All three maintain identical electrical specifications, operating temperature range, and ROHS3 compliance. Selection among these options depends on component availability and supply chain considerations.

For Automotive Applications: Parts with AEC-Q200 automotive qualification (KTR03EZPF1801, AC0603FR-071K8L, CRCW06031K80FKEA, CRCW06031K80FKEB, ERJ-3EKF1801V, RMCF0603FT1K80) are required when designs must meet automotive reliability standards. These parts satisfy identical electrical and mechanical requirements while providing enhanced qualification documentation.

Product Status Considerations: The RC1608F182CS maintains Active product status. CRCW06031K80FKEB is listed as Discontinued at DiGi Electronics and should be avoided for new designs requiring long-term component availability. All other substitute parts maintain Active status.

Compliance and Certifications: All listed parts are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements for industrial and consumer markets. MSL 1 (Unlimited) rating applies uniformly across all parts, indicating no moisture sensitivity restrictions during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F182CS with any of the listed parts without circuit modification?

A: Yes. All listed substitute parts share identical electrical specifications (1.8 kOhms ±1%, 0.1W), mechanical package (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Direct board-level substitution is possible without design changes.

Q: What is the difference between Direct Substitutes and Similar Substitutes?

A: Direct substitutes (CR0603-FX-1801ELF, CRG0603F1K8, RC0603FR-071K8L) match all core specifications without additional certifications. Similar substitutes add automotive AEC-Q200 qualification, which provides enhanced reliability documentation and testing for automotive applications but does not alter electrical or mechanical performance.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist. The main part RC1608F182CS specifies 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" height. CRCW06031K80FKEA and CRCW06031K80FKEB show slightly different dimensions (0.061" L x 0.033" W, 0.020" height) and RMCF0603FT1K80 differs in length (0.061" L). These variations remain within 0603 package tolerance and do not affect PCB footprint compatibility.

Q: Which substitute part has the highest inventory availability?

A: RC0603FR-071K8L (YAGEO) shows the highest inventory with 1,000,400 pieces in stock. RMCF0603FT1K80 (Stackpole Electronics Inc) provides 192,450 pieces. For immediate availability, these two options are preferred.

Q: Should I use automotive-grade parts (AEC-Q200) in non-automotive applications?

A: Automotive-grade parts are not required for non-automotive applications. However, they may be used without penalty, as they meet or exceed all specifications of standard-grade equivalents. Selection should be based on application requirements and cost considerations.

Q: Is the RC1608F182CS moisture-resistant feature critical for substitution?

A: The moisture-resistant feature is specified for the main part and three direct substitutes (CR0603-FX-1801ELF, RC0603FR-071K8L, AC0603FR-071K8L). For applications requiring moisture resistance, select from these options. Other substitutes do not list this feature but maintain MSL 1 rating, indicating no moisture sensitivity restrictions.

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

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts carry this rating, meaning they can be stored and handled without special moisture control procedures, simplifying inventory management and component procurement.

Q: Can CRCW06031K80FKEB be used in new designs?

A: CRCW06031K80FKEB is listed as Discontinued at DiGi Electronics. For new designs requiring long-term component availability and supply chain stability, alternative parts with Active status are recommended. Existing designs using this part may continue with available inventory, but migration to active alternatives is advised for future production.