RC1608J9R1CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608J9R1CS is a 9.1 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications are available from alternative manufacturers, enabling procurement flexibility and supply chain continuity.

Substiute Parts

RC1608J9R1CS

Samsung Electro-MechanicsIn Stock: 749RC1608J9R1CS Datasheet

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KTR03EZPF9R10

Rohm SemiconductorIn Stock: 19182KTR03EZPF9R10 Datasheet

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RC0603JR-079R1L

YAGEOIn Stock: 4136RC0603JR-079R1L Datasheet

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RMCF0603FT9R10

Stackpole Electronics IncIn Stock: 24041RMCF0603FT9R10 Datasheet

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RMCF0603JT9R10

Stackpole Electronics IncIn Stock: 3170RMCF0603JT9R10 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608J9R1CS are qualified based on the following criteria:

Electrical Equivalence: All substitute parts maintain the same 9.1 Ohm resistance value and 0.1W power rating. Tolerance variations (±5% or ±1%) are permitted as they represent tighter or equivalent specifications.

Mechanical Compatibility: All substitutes use the identical 0603 (1608 Metric) package with matching footprint dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm) and maximum seated height (0.022" / 0.55mm), ensuring direct PCB compatibility without layout modifications.

Environmental Specifications: All substitutes operate within the -55°C ~ 155°C temperature range and maintain RoHS3 compliance with MSL 1 rating, meeting the same regulatory and reliability requirements.

Composition & Features: All substitutes are thick film resistors with moisture-resistant characteristics, maintaining functional equivalence in standard and moisture-sensitive applications.

Substitutes are grouped into two categories: direct equivalents (matching ±5% tolerance) and upgraded alternatives (tighter ±1% tolerance with automotive AEC-Q200 qualification).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Substitutes (±5% Tolerance):

RC0603JR-079R1L (YAGEO) and RMCF0603JT9R10 (Stackpole) are direct functional equivalents to the RC1608J9R1CS. Both maintain identical electrical specifications (9.1 Ohms ±5%, 0.1W), mechanical compatibility (0603 package), and compliance certifications (RoHS3, MSL 1). These substitutes are suitable for applications where the original Samsung component is unavailable. RMCF0603JT9R10 includes AEC-Q200 automotive qualification, providing additional reliability assurance for automotive-grade applications.

Upgraded Substitutes (±1% Tolerance with AEC-Q200):

RMCF0603FT9R10 (Stackpole) and KTR03EZPF9R10 (Rohm) offer tighter tolerance specifications (±1%) and automotive AEC-Q200 qualification. These components are suitable for applications requiring enhanced precision and automotive-grade reliability. The improved temperature coefficient (±200ppm/°C versus ±300ppm/°C) provides superior stability across the operating temperature range. These upgrades are compatible with all PCB layouts designed for the RC1608J9R1CS.

Compliance & Regulatory Status:

All substitute parts maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with current manufacturing standards and environmental regulations. No additional qualification or testing is required for direct substitution in applications currently using the RC1608J9R1CS.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-079R1L (YAGEO) be used as a direct replacement for RC1608J9R1CS (Samsung)?

A: Yes. Both components share identical electrical specifications (9.1 Ohms ±5%, 0.1W), mechanical dimensions (0603 package), and compliance certifications (RoHS3, MSL 1). Direct PCB substitution is possible without layout modifications.

Q: What is the difference between the ±5% and ±1% tolerance substitutes?

A: The ±1% tolerance substitutes (RMCF0603FT9R10 and KTR03EZPF9R10) provide tighter resistance tolerance and lower temperature coefficient (±200ppm/°C versus ±300ppm/°C), resulting in improved accuracy and stability. These are suitable for precision applications. The ±5% tolerance substitutes (RC0603JR-079R1L and RMCF0603JT9R10) match the original specification and are suitable for general-purpose applications.

Q: Are the Stackpole RMCF series resistors compatible with the original Samsung package footprint?

A: Yes. Both RMCF0603JT9R10 and RMCF0603FT9R10 use the 0603 (1608 Metric) package with maximum seated height of 0.022" (0.55mm). Stackpole dimensions are 0.061" L x 0.031" W (1.55mm x 0.80mm), which are within acceptable PCB footprint tolerances for 0603 components. No layout modifications are required.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive electronics qualification standard that certifies component reliability for automotive applications. RMCF0603FT9R10, RMCF0603JT9R10, and KTR03EZPF9R10 carry this certification, making them suitable for automotive-grade designs. The RC1608J9R1CS and RC0603JR-079R1L do not carry this certification but remain suitable for non-automotive applications.

Q: Can I use a ±1% tolerance part in place of a ±5% tolerance part?

A: Yes. A ±1% tolerance component meets or exceeds the requirements of a ±5% specification. RMCF0603FT9R10 and KTR03EZPF9R10 can be substituted for any application originally designed for ±5% tolerance components without performance degradation.

Q: Are all substitute parts available in Tape & Reel (TR) packaging?

A: Yes. All substitute parts listed are supplied in Tape & Reel (TR) packaging, matching the original RC1608J9R1CS packaging format for automated assembly compatibility.

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

A: MSL 1 indicates the lowest moisture sensitivity level, meaning the component can be stored indefinitely without moisture baking requirements prior to soldering. All listed parts, including the RC1608J9R1CS and all substitutes, carry MSL 1 rating.