RC1608F9R1CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F9R1CS is a 9.1 Ohm ±1% 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 with moisture resistant characteristics and operates across the temperature range of -55°C to 155°C. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity while maintaining electrical and mechanical compatibility.

Substiute Parts

RC1608F9R1CS

Samsung Electro-MechanicsIn Stock: 858RC1608F9R1CS Datasheet

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KTR03EZPF9R10

Rohm SemiconductorIn Stock: 19182KTR03EZPF9R10 Datasheet

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RMCF0603FT9R10

Stackpole Electronics IncIn Stock: 24041RMCF0603FT9R10 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F9R1CS are qualified based on strict electrical and mechanical parameter matching:

Electrical Parameters (Must Match):

• Resistance value: 9.1 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Composition: Thick Film

Mechanical Parameters (Must Match):

• Package: 0603 (1608 Metric)
• Terminations: 2
• Tape & Reel packaging format

Compliance Parameters (Must Match or Exceed):

• RoHS3 Compliant
• MSL 1 (Unlimited)
• Operating temperature: -55°C to 155°C

The identified substitutes KTR03EZPF9R10 (Rohm Semiconductor) and RMCF0603FT9R10 (Stackpole Electronics Inc) meet all mandatory electrical and mechanical requirements. Both substitutes are Active product status and maintain full compliance with environmental and regulatory standards.

Parameter Comparison

Engineering Selection Recommendations

All three parts—RC1608F9R1CS, KTR03EZPF9R10, and RMCF0603FT9R10—are functionally interchangeable for applications requiring a 9.1 Ohm ±1% 0.1W 0603 thick film resistor. Selection among these parts is determined by application-specific requirements and supply availability:

RC1608F9R1CS (Samsung Electro-Mechanics): Primary choice for general-purpose applications. Moisture resistant design with standard temperature coefficient of ±300ppm/°C. Active product status with 802 units in stock.

KTR03EZPF9R10 (Rohm Semiconductor): Qualified for automotive applications under AEC-Q200 standard with improved temperature coefficient of ±200ppm/°C and high voltage capability. Active product status with 19,171 units in stock.

RMCF0603FT9R10 (Stackpole Electronics Inc): Qualified for automotive applications under AEC-Q200 standard with improved temperature coefficient of ±200ppm/°C. Active product status with 23,978 units in stock.

All parts maintain ROHS3 compliance, MSL 1 rating, and identical operating temperature ranges. Substitution is valid across all three manufacturers without circuit redesign or performance degradation within specified electrical parameters.

Frequently Asked Questions (FAQ)

Q: Can KTR03EZPF9R10 or RMCF0603FT9R10 be used as direct replacements for RC1608F9R1CS?

A: Yes. Both substitute parts meet all mandatory electrical specifications (9.1 Ohms ±1%, 0.1W), mechanical requirements (0603 package, 2 terminations), and compliance standards (ROHS3, MSL 1). Direct substitution is valid without circuit modification.

Q: What is the difference in temperature coefficient between the main part and substitutes?

A: RC1608F9R1CS has a temperature coefficient of ±300ppm/°C, while KTR03EZPF9R10 and RMCF0603FT9R10 both have ±200ppm/°C. The substitutes provide improved temperature stability. This difference is not a substitution barrier; it represents an enhancement in performance.

Q: Are the substitute parts suitable for automotive applications?

A: KTR03EZPF9R10 and RMCF0603FT9R10 carry AEC-Q200 automotive qualification. RC1608F9R1CS does not list automotive qualification. For automotive applications, KTR03EZPF9R10 or RMCF0603FT9R10 are the appropriate selections.

Q: Do all three parts have the same physical dimensions?

A: All three parts use the 0603 (1608 Metric) package. RC1608F9R1CS and KTR03EZPF9R10 have identical dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm). RMCF0603FT9R10 has a length of 0.061" (1.55mm) with the same width of 0.031" (0.80mm). All three have maximum seated height of 0.022" (0.55mm). These minor dimensional variations are within standard 0603 package tolerances and do not affect PCB layout or assembly compatibility.

Q: What is the moisture sensitivity level for all parts?

A: All three parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling procedures apply without special drying or baking requirements.

Q: Are all parts ROHS3 compliant?

A: Yes. RC1608F9R1CS, KTR03EZPF9R10, and RMCF0603FT9R10 are all ROHS3 compliant and REACH unaffected.

Q: What is the operating temperature range for these parts?

A: All three parts operate across -55°C to 155°C, providing identical thermal performance specifications.