Equivalent & Substitute Parts for RC1608F1784CS

Part Overview

The RC1608F1784CS is a 1.78 MOhms ±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 and is designed for general-purpose applications requiring moisture-resistant thick film construction. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling seamless integration into existing designs or addressing supply chain requirements.

Substiute Parts

RC1608F1784CS

Samsung Electro-MechanicsIn Stock: 1128RC1608F1784CS Datasheet

Current PartRFQ

RC0603FR-071M78L

YAGEOIn Stock: 19465RC0603FR-071M78L Datasheet

DirectRFQ

RMCF0603FT1M78

Stackpole Electronics IncIn Stock: 4123RMCF0603FT1M78 Datasheet

UpgradeRFQ

CRCW06031M78FKEA

Vishay DaleIn Stock: 22032CRCW06031M78FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F1784CS is determined by strict alignment of the following parameters:

Mandatory Matching Parameters:

• Resistance value: 1.78 MOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C ~ 155°C
• RoHS compliance: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• Termination count: 2

Allowable Variation Parameters:

• Temperature coefficient: ±100ppm/°C to ±200ppm/°C (within specified range)
• Physical dimensions: Minor variations within 0603 package specification tolerance
• Manufacturer series designation: Different across manufacturers

All identified substitute parts meet these criteria and are classified as Active product status with equivalent electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

RC0603FR-071M78L (YAGEO Direct Equivalent)

This part provides direct electrical and mechanical equivalence to the RC1608F1784CS. Both components share identical resistance, tolerance, power rating, temperature coefficient, and operating temperature specifications. The RC0603FR-071M78L is suitable for applications where general-purpose thick film resistor performance is required without automotive qualification requirements. Product status is Active with ROHS3 compliance and MSL 1 rating.

RMCF0603FT1M78 (Stackpole Upgrade Option)

This part meets all mandatory electrical and mechanical parameters with AEC-Q200 automotive qualification. The temperature coefficient specification is ±200ppm/°C, which remains within acceptable operational limits for the -55°C ~ 155°C temperature range. Selection of this part is appropriate for applications requiring automotive-grade component reliability and traceability. Product status is Active with ROHS3 compliance and MSL 1 rating.

CRCW06031M78FKEA (Vishay Dale Upgrade Option)

This part meets all mandatory electrical and mechanical parameters with AEC-Q200 automotive qualification. The temperature coefficient specification is ±100ppm/°C, matching the original component. Physical dimensions show minor variation within 0603 package tolerance (height 0.020" versus 0.022" maximum). Selection of this part is appropriate for applications requiring automotive-grade component reliability. Product status is Active with ROHS3 compliance and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-071M78L replace RC1608F1784CS in all applications?

A: Yes. The RC0603FR-071M78L matches all mandatory electrical specifications (1.78 MOhms ±1%, 0.1W), mechanical package (0603), composition (thick film), temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1). Both components are Active product status.

Q: What is the difference between the Samsung original and YAGEO substitute?

A: The RC0603FR-071M78L and RC1608F1784CS are electrically and mechanically equivalent. The primary difference is manufacturer designation and series classification (RC versus RC_L). Both provide identical performance for the specified parameters.

Q: When should RMCF0603FT1M78 or CRCW06031M78FKEA be selected instead of the direct equivalent?

A: These parts should be selected when automotive-grade qualification (AEC-Q200) is required by design specifications or supply chain requirements. Both parts maintain all electrical equivalence while providing enhanced reliability documentation for automotive applications.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within 0603 package tolerance. RC1608F1784CS and RC0603FR-071M78L specify 0.022" maximum seated height. CRCW06031M78FKEA specifies 0.020" maximum seated height. RMCF0603FT1M78 specifies 0.022" maximum seated height. All variations remain within 0603 package specification limits and do not affect PCB layout or assembly compatibility.

Q: Do all substitute parts have the same temperature coefficient?

A: RC1608F1784CS, RC0603FR-071M78L, and CRCW06031M78FKEA specify ±100ppm/°C. RMCF0603FT1M78 specifies ±200ppm/°C. Both values are acceptable within the -55°C ~ 155°C operating range. Selection depends on application temperature stability requirements.

Q: Are all parts available in Tape & Reel packaging?

A: Yes. All identified substitute parts are supplied in Tape & Reel (TR) packaging format, maintaining compatibility with automated assembly processes.

Q: What compliance certifications apply to all substitute parts?

A: All parts are ROHS3 Compliant, REACH Unaffected, and classified as MSL 1 (Unlimited moisture sensitivity level). Automotive-qualified parts (RMCF0603FT1M78 and CRCW06031M78FKEA) carry AEC-Q200 certification.