RC1608F7R5CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F7R5CS is a 7.5 Ohm ±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 with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, termination count, physical dimensions), and environmental performance parameters (operating temperature range, temperature coefficient, compliance certifications).

Substiute Parts

RC1608F7R5CS

Samsung Electro-MechanicsIn Stock: 1335RC1608F7R5CS Datasheet

Current PartRFQ

KTR03EZPF7R50

Rohm SemiconductorIn Stock: 8444KTR03EZPF7R50 Datasheet

UpgradeRFQ

MCR03ERTFL7R50

Rohm SemiconductorIn Stock: 979MCR03ERTFL7R50 Datasheet

UpgradeRFQ

RC0603FR-077R5L

YAGEOIn Stock: 183509RC0603FR-077R5L Datasheet

UpgradeRFQ

RMCF0603FT7R50

Stackpole Electronics IncIn Stock: 49775RMCF0603FT7R50 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F7R5CS are qualified based on the following criteria:

Electrical Equivalence: All substitute parts maintain identical resistance value (7.5 Ohms) and tolerance (±1%), ensuring direct functional replacement in circuit applications.

Power Rating Compatibility: All substitutes are rated at 0.1W (1/10W), matching the thermal dissipation capability of the main part.

Package Mechanical Compatibility: All substitute parts use the 0603 (1608 Metric) package with two terminations, ensuring compatibility with existing PCB layouts and assembly processes.

Operating Temperature Range: All substitutes operate across -55°C to 155°C, maintaining thermal performance across the specified environmental envelope.

Compliance & Certifications: All parts are ROHS3 compliant and carry MSL Level 1 rating. Substitute parts designated as "Upgrade" include additional automotive AEC-Q200 qualification, which represents enhanced reliability screening without compromising standard application compatibility.

Temperature Coefficient Variation: Substitute parts exhibit temperature coefficients ranging from ±100ppm/°C to ±300ppm/°C. Lower temperature coefficients (±100ppm/°C to ±200ppm/°C) indicate improved stability across temperature extremes compared to the main part (±300ppm/°C).

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Status):

RC0603FR-077R5L (YAGEO) is recommended as the primary substitute. This part maintains Active product status with identical electrical and mechanical specifications. The improved temperature coefficient (±200ppm/°C versus ±300ppm/°C) provides enhanced frequency stability across the operating temperature range. Tape & Reel packaging supports high-volume automated assembly processes.

KTR03EZPF7R50 (Rohm Semiconductor) qualifies as an upgrade substitute with AEC-Q200 automotive qualification. This certification indicates enhanced reliability screening and is suitable for applications requiring automotive-grade component qualification. Temperature coefficient of ±200ppm/°C matches RC0603FR-077R5L performance.

RMCF0603FT7R50 (Stackpole Electronics Inc) is an Active substitute with AEC-Q200 automotive qualification and ±200ppm/°C temperature coefficient. Physical dimensions are 0.061" L x 0.031" W (1.55mm x 0.80mm), representing a minor variation from the standard 0603 footprint (0.063" L x 0.031" W / 1.60mm x 0.80mm). This dimensional difference remains within typical PCB design tolerances for 0603 components.

Secondary Substitute (Discontinued Status):

MCR03ERTFL7R50 (Rohm Semiconductor) carries Discontinued at DiGi Electronics status. This part exhibits the lowest temperature coefficient (±100ppm/°C) among all listed substitutes, indicating superior temperature stability. However, discontinued status restricts availability for new designs. This part is suitable only for legacy system maintenance or repair applications where existing inventory exists.

Packaging Considerations:

The main part RC1608F7R5CS is supplied in Cut Tape (CT) format. Active substitutes RC0603FR-077R5L, KTR03EZPF7R50, and RMCF0603FT7R50 are available in Tape & Reel (TR) format, which is standard for high-volume manufacturing. Cut Tape format is typically used for lower-volume or manual assembly applications. Packaging format selection should align with production volume and assembly methodology.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-077R5L directly replace RC1608F7R5CS in existing designs?

A: Yes. Both parts share identical electrical specifications (7.5 Ohms ±1%, 0.1W), package format (0603 / 1608 Metric), and operating temperature range (-55°C to 155°C). The improved temperature coefficient of RC0603FR-077R5L (±200ppm/°C) represents a performance enhancement without introducing compatibility issues.

Q: What is the significance of AEC-Q200 qualification on KTR03EZPF7R50 and RMCF0603FT7R50?

A: AEC-Q200 is an automotive industry standard qualification that certifies components have undergone enhanced reliability testing and screening. This certification does not alter electrical or mechanical compatibility with non-automotive applications. Parts with AEC-Q200 qualification are suitable for both automotive and general industrial applications.

Q: Why does MCR03ERTFL7R50 show "Discontinued at DiGi Electronics" status?

A: Discontinued status indicates the part is no longer actively manufactured or distributed through primary channels. This classification restricts suitability to legacy system support or repair applications where existing inventory is available. New designs should utilize Active status substitutes: RC0603FR-077R5L, KTR03EZPF7R50, or RMCF0603FT7R50.

Q: Are there dimensional differences between substitute parts?

A: RMCF0603FT7R50 has physical dimensions of 0.061" L x 0.031" W (1.55mm x 0.80mm), compared to the standard 0603 dimension of 0.063" L x 0.031" W (1.60mm x 0.80mm). This 0.05mm length variation is within typical PCB design tolerances for 0603 components and does not affect footprint compatibility. All other substitutes maintain standard 0603 dimensions.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging supplies components in individual strips, typically used for lower-volume or manual assembly processes. Tape & Reel packaging supplies components on continuous reels, optimized for automated pick-and-place assembly equipment. Both formats contain identical components; packaging selection depends on production volume and assembly methodology.

Q: Can I use KTR03EZPF7R50 in applications not requiring automotive qualification?

A: Yes. AEC-Q200 qualification represents additional screening and reliability assurance. Parts meeting automotive standards are fully compatible with general industrial and consumer applications. Using automotive-qualified components in non-automotive applications introduces no compatibility or performance issues.

Q: Which substitute offers the best temperature stability?

A: MCR03ERTFL7R50 exhibits the lowest temperature coefficient at ±100ppm/°C, providing superior frequency and resistance stability across temperature extremes. However, discontinued status limits availability. Among Active substitutes, RC0603FR-077R5L and KTR03EZPF7R50 both offer ±200ppm/°C temperature coefficient, representing a 33% improvement over the main part's ±300ppm/°C specification.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of RC1608F7R5CS.