Equivalent & Substitute Parts for RC1608J1R6CS

Part Overview

The RC1608J1R6CS is a 1.6 Ohm ±5% 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 RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). Alternative equivalent parts are necessary to support supply chain flexibility, design optimization for specific application requirements, and inventory management across multiple manufacturing sources.

Substiute Parts

RC1608J1R6CS

Samsung Electro-MechanicsIn Stock: 848RC1608J1R6CS Datasheet

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KTR03EZPF1R60

Rohm SemiconductorIn Stock: 1415KTR03EZPF1R60 Datasheet

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RC0603JR-071R6L

YAGEOIn Stock: 4323RC0603JR-071R6L Datasheet

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RMCF0603FT1R60

Stackpole Electronics IncIn Stock: 7711RMCF0603FT1R60 Datasheet

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RMCF0603JT1R60

Stackpole Electronics IncIn Stock: 10173RMCF0603JT1R60 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608J1R6CS is determined by the following mandatory parameters:

Core Electrical Parameters:

• Resistance value: 1.6 Ohms (exact match required)
• Power rating: 0.1W minimum
• Operating temperature range: -55°C to 155°C minimum coverage

Package Compatibility:

• Package format: 0603 (1608 Metric) only
• Physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) maximum
• Number of terminations: 2

Compliance Requirements:

• RoHS3 Compliant status
• MSL Level 1 (Unlimited)

Tolerance Consideration: Substitute parts with ±1% tolerance are electrically compatible with ±5% tolerance applications, as tighter tolerance represents improved performance within the same functional specification.

Four substitute parts meet these criteria across two tolerance classifications: three parts with ±5% tolerance (direct equivalents) and one part with ±1% tolerance (upgraded specification).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (±5% Tolerance):

RC0603JR-071R6L (YAGEO) and RMCF0603JT1R60 (Stackpole) are direct functional equivalents to the RC1608J1R6CS. Both maintain identical electrical specifications, package format, and compliance certifications. RMCF0603JT1R60 includes AEC-Q200 automotive qualification, which provides additional reliability assurance for applications requiring automotive-grade components. Selection between these options depends on supply availability and specific application requirements.

Upgraded Specification (±1% Tolerance):

RMCF0603FT1R60 (Stackpole) and KTR03EZPF1R60 (Rohm) offer tighter tolerance specifications (±1%) while maintaining all other electrical and physical parameters. These components are suitable for applications requiring improved accuracy. KTR03EZPF1R60 includes high voltage capability in addition to AEC-Q200 automotive qualification. Both parts are fully compatible with designs specified for ±5% tolerance components.

Compliance Status:

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage processes.

Frequently Asked Questions (FAQ)

Q: Can RMCF0603FT1R60 or KTR03EZPF1R60 be used as direct replacements for RC1608J1R6CS?

A: Yes. Both parts meet all mandatory substitution criteria: identical 1.6 Ohm resistance, 0.1W power rating, 0603 package format, -55°C to 155°C operating range, and RoHS3/MSL Level 1 compliance. The ±1% tolerance represents improved specification performance within the same functional application space.

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

A: Tolerance defines the maximum allowable deviation from the nominal resistance value. A ±5% tolerance part on 1.6 Ohms can range from 1.52 to 1.68 Ohms. A ±1% tolerance part ranges from 1.584 to 1.616 Ohms. Applications requiring tighter resistance control benefit from ±1% parts, while general-purpose applications function identically with either specification.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All listed substitute parts use 0603 (1608 Metric) package format with identical footprint dimensions (0.063" L x 0.031" W), ensuring direct PCB compatibility without layout modifications.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification that certifies component reliability under automotive operating conditions. RMCF0603JT1R60, RMCF0603FT1R60, and KTR03EZPF1R60 carry this certification, making them suitable for automotive applications requiring enhanced reliability assurance.

Q: Can I mix different substitute parts in the same design?

A: Yes. All substitute parts are electrically and mechanically compatible. Mixed sourcing is permissible provided the design accommodates the tolerance range of the least precise part used (±5% in this case).

Q: What is the significance of temperature coefficient values?

A: Temperature coefficient (ppm/°C) indicates how resistance changes with temperature. RC1608J1R6CS has ±300ppm/°C, while substitute parts have ±200ppm/°C, indicating improved temperature stability. This difference is negligible for most general-purpose applications but beneficial for precision circuits operating across wide temperature ranges.