RC1608F1544CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1544CS is a 1.54 MOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation and operates across the temperature range of -55°C to 155°C. The part is classified as Active product status and is ROHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements necessitate alternative qualified sources meeting identical or enhanced electrical and mechanical specifications.

Substiute Parts

RC1608F1544CS

Samsung Electro-MechanicsIn Stock: 1182RC1608F1544CS Datasheet

Current PartRFQ

RC0603FR-071M54L

YAGEOIn Stock: 10944RC0603FR-071M54L Datasheet

DirectRFQ

RMCF0603FT1M54

Stackpole Electronics IncIn Stock: 8427RMCF0603FT1M54 Datasheet

UpgradeRFQ

CRCW06031M54FKEA

Vishay DaleIn Stock: 16172CRCW06031M54FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F1544CS is determined by strict equivalence across the following critical parameters: resistance value (1.54 MOhms), tolerance (±1%), power rating (0.1W), package format (0603/1608 Metric), composition (thick film), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL Level 1). All identified substitute parts maintain these core specifications. Substitute parts are categorized as follows:

Direct Equivalent: RC0603FR-071M54L (YAGEO) provides identical electrical and mechanical specifications with matching temperature coefficient (±100ppm/°C) and moisture resistance features.

Upgrade Equivalent: RMCF0603FT1M54 (Stackpole Electronics Inc) meets all core parameters with automotive AEC-Q200 qualification, featuring a higher temperature coefficient (±200ppm/°C) within acceptable operational limits.

Similar Equivalent: CRCW06031M54FKEA (Vishay Dale) satisfies all electrical requirements with automotive AEC-Q200 qualification and maintains the ±100ppm/°C temperature coefficient, with minor dimensional variations within tolerance.

Parameter Comparison

Engineering Selection Recommendations

RC0603FR-071M54L (YAGEO): This direct equivalent maintains identical electrical specifications and temperature coefficient performance. Selection is appropriate for general industrial and commercial applications requiring standard thick film resistor performance with unlimited moisture sensitivity tolerance.

RMCF0603FT1M54 (Stackpole Electronics Inc): This upgrade equivalent incorporates AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability. The temperature coefficient of ±200ppm/°C remains within operational limits for the specified temperature range. Selection is appropriate for automotive and high-reliability applications.

CRCW06031M54FKEA (Vishay Dale): This similar equivalent provides AEC-Q200 automotive qualification with matching ±100ppm/°C temperature coefficient. Minor dimensional variations (length 1.55mm vs. 1.60mm, width 0.85mm vs. 0.80mm, height 0.50mm vs. 0.55mm) remain within standard PCB layout tolerances. Selection is appropriate for automotive applications requiring enhanced reliability certification.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and Active product status, ensuring long-term availability and regulatory conformance.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-071M54L replace RC1608F1544CS in all applications?

A: Yes. RC0603FR-071M54L is a direct equivalent with identical resistance, tolerance, power rating, package format, temperature coefficient, and operating temperature range. No design modifications are required.

Q: What is the difference between the substitute parts?

A: RC0603FR-071M54L is a direct equivalent without automotive qualification. RMCF0603FT1M54 and CRCW06031M54FKEA both include AEC-Q200 automotive qualification. RMCF0603FT1M54 has a ±200ppm/°C temperature coefficient, while CRCW06031M54FKEA maintains ±100ppm/°C. All three meet the core electrical and mechanical requirements of the original part.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist. RMCF0603FT1M54 measures 1.55mm L x 0.80mm W x 0.55mm H (max). CRCW06031M54FKEA measures 1.55mm L x 0.85mm W x 0.50mm H (max). These variations are within standard PCB layout tolerances and do not affect interchangeability.

Q: Which substitute part should be selected for automotive applications?

A: Both RMCF0603FT1M54 and CRCW06031M54FKEA carry AEC-Q200 automotive qualification. CRCW06031M54FKEA maintains the original ±100ppm/°C temperature coefficient, while RMCF0603FT1M54 operates at ±200ppm/°C. Selection depends on specific temperature stability requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts (RC0603FR-071M54L, RMCF0603FT1M54, CRCW06031M54FKEA) are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original RC1608F1544CS specification.

Q: Can substitute parts be used interchangeably on existing PCBs?

A: Yes. All substitute parts use the 0603 (1608 Metric) package format with identical electrical specifications. Minor dimensional variations do not affect PCB footprint compatibility or soldering processes.