RC1608J3R0CS Equivalent & Substitute Parts

Part Overview

The RC1608J3R0CS is a 3 Ohm ±5% 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 characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general-purpose applications requiring standard tolerance resistive elements. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance requirements.

Substiute Parts

RC1608J3R0CS

Samsung Electro-MechanicsIn Stock: 861RC1608J3R0CS Datasheet

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KTR03EZPF3R00

Rohm SemiconductorIn Stock: 56434KTR03EZPF3R00 Datasheet

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RC0603JR-073RL

YAGEOIn Stock: 265546RC0603JR-073RL Datasheet

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RMCF0603FT3R00

Stackpole Electronics IncIn Stock: 48098RMCF0603FT3R00 Datasheet

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RMCF0603JT3R00

Stackpole Electronics IncIn Stock: 9685RMCF0603JT3R00 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for RC1608J3R0CS are grouped based on strict electrical and mechanical compatibility criteria. All substitute parts maintain the following core parameters: 3 Ohm resistance value, 0.1W power rating, 0603 package form factor, thick film composition, -55°C to 155°C operating temperature range, ROHS3 compliance, and MSL 1 rating.

Substitutes are differentiated by two primary parameters:

Tolerance Grade: The main part specifies ±5% tolerance. Substitute parts are available in both ±5% and ±1% tolerance grades. Parts with ±1% tolerance represent tighter tolerance variants suitable for applications requiring improved accuracy.

Automotive Qualification: Certain substitute parts carry AEC-Q200 automotive qualification and high voltage features, indicating suitability for automotive and high-reliability applications. Non-automotive variants maintain standard industrial specifications.

All substitute parts are manufactured by established component suppliers (Rohm Semiconductor, YAGEO, Stackpole Electronics Inc) with active product status and full compliance certifications matching the main part.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Tolerance):

RC0603JR-073RL (YAGEO) serves as the direct equivalent to RC1608J3R0CS, maintaining identical electrical specifications: 3 Ohm resistance, ±5% tolerance, 0.1W power rating, and moisture resistant thick film composition. Both parts share the same temperature coefficient range and operating temperature limits. This substitute is suitable for applications where the original Samsung part is unavailable, with significantly higher inventory availability (265443 units).

Upgraded Tolerance Variants:

KTR03EZPF3R00 (Rohm Semiconductor) and RMCF0603FT3R00 (Stackpole Electronics Inc) provide ±1% tolerance specifications, representing tighter tolerance grades compared to the ±5% main part. These parts are qualified to AEC-Q200 automotive standards and feature improved temperature coefficient performance (±200ppm/°C versus ±300ppm/°C). Selection of these variants is appropriate for applications requiring enhanced accuracy and automotive-grade reliability.

Automotive-Qualified Alternatives:

RMCF0603JT3R00 (Stackpole Electronics Inc) combines ±5% tolerance matching with AEC-Q200 automotive qualification, providing a direct tolerance equivalent with enhanced reliability certification. This part maintains all core electrical and mechanical parameters while adding automotive qualification benefits.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range, ensuring compatibility with the original design requirements.

Frequently Asked Questions (FAQ)

Q: Can KTR03EZPF3R00 replace RC1608J3R0CS in my circuit?

A: Yes. KTR03EZPF3R00 is electrically compatible as a substitute. Both parts share identical 3 Ohm resistance, 0.1W power rating, 0603 package, and operating temperature range. The primary difference is KTR03EZPF3R00 provides ±1% tolerance (tighter than the ±5% main part) and includes AEC-Q200 automotive qualification. This makes it suitable for applications requiring improved accuracy or automotive-grade reliability.

Q: What is the difference between RC0603JR-073RL and RMCF0603JT3R00?

A: Both parts maintain ±5% tolerance matching RC1608J3R0CS. RC0603JR-073RL (YAGEO) is a standard industrial-grade thick film resistor with moisture resistant features. RMCF0603JT3R00 (Stackpole) is an automotive-qualified variant with AEC-Q200 certification. Selection depends on application requirements: use RC0603JR-073RL for general industrial applications, and RMCF0603JT3R00 for automotive or high-reliability environments.

Q: Are all substitute parts in the same 0603 package?

A: Yes. All substitute parts use the 0603 (1608 Metric) package form factor with identical footprint dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm) and maximum seated height (0.022" / 0.55mm). Direct PCB layout compatibility is maintained across all substitutes.

Q: Which substitute has the best temperature stability?

A: KTR03EZPF3R00, RMCF0603FT3R00, RMCF0603JT3R00, and RC0603JR-073RL all feature ±200ppm/°C temperature coefficient, compared to RC1608J3R0CS at ±300ppm/°C. These substitutes provide improved temperature stability across the -55°C to 155°C operating range.

Q: Can I use a ±1% tolerance part where ±5% is specified?

A: Yes. A ±1% tolerance part is a tighter specification and is functionally compatible with circuits designed for ±5% tolerance. The ±1% variant provides improved accuracy without circuit redesign requirements.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All substitute parts listed (KTR03EZPF3R00, RC0603JR-073RL, RMCF0603FT3R00, RMCF0603JT3R00) are ROHS3 compliant and REACH unaffected, matching the compliance status of RC1608J3R0CS.

Q: Which substitute has the highest inventory availability?

A: RC0603JR-073RL (YAGEO) has the highest inventory availability at 265443 units, followed by KTR03EZPF3R00 (Rohm) at 56387 units and RMCF0603FT3R00 (Stackpole) at 48030 units.