RMC1/16K5112FTP Equivalent & Substitute Parts

Part Overview

The RMC1/16K5112FTP is a 51.1 kOhms ±1% thick film chip resistor manufactured by Kamaya Inc., 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 unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when original stock becomes unavailable, when alternative packaging formats are required, or when specific compliance certifications (such as automotive AEC-Q200) are mandated by application requirements.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	51.1 kOhms	Critical - Must Match Exactly
Tolerance	±1%	Critical - Must Match Exactly
Power Rating	0.1W (1/10W)	Critical - Must Match or Exceed
Package / Case	0603 (1608 Metric)	Critical - Must Match Exactly
Composition	Thick Film	Critical - Must Match Exactly
Temperature Coefficient	±100ppm/°C	Critical - Must Match Exactly
Operating Temperature Range	-55°C ~ 155°C	Critical - Must Match or Exceed
Number of Terminations	2	Critical - Must Match Exactly
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Critical - Must Match or Better

Substitute Part Grouping Explanation

Substitution eligibility for the RMC1/16K5112FTP is determined by strict electrical and mechanical parameter matching. All substitute parts listed maintain identical resistance value (51.1 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and termination count (2). All substitute parts carry MSL 1 rating, confirming unlimited moisture sensitivity compatibility.

The substitute parts are grouped into two functional categories based on provided certifications:

Standard Industrial Grade: CR0603-FX-5112ELF (Bourns Inc.) and RC0603FR-0751K1L (YAGEO) include moisture-resistant features without automotive qualification.

Automotive Grade (AEC-Q200): ERJ-3EKF5112V (Panasonic Electronic Components) and RMCF0603FT51K1 (Stackpole Electronics Inc.) carry AEC-Q200 automotive certification, suitable for applications requiring automotive-grade reliability standards.

All substitute parts are Active product status with ROHS3 compliance and REACH Unaffected designation, matching the regulatory profile of the main part.

Parameter Comparison

Parameter	RMC1/16K5112FTP (Kamaya)	CR0603-FX-5112ELF (Bourns)	ERJ-3EKF5112V (Panasonic)	RC0603FR-0751K1L (YAGEO)	RMCF0603FT51K1 (Stackpole)
Resistance	51.1 kOhms	51.1 kOhms	51.1 kOhms	51.1 kOhms	51.1 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.1W (1/10W)	0.1W (1/10W)	0.1W (1/10W)	0.1W (1/10W)	0.1W (1/10W)
Package / Case	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Certification	None	None	AEC-Q200	None	AEC-Q200
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
Inventory Availability	1,028 Pcs	82,769 Pcs	132,898 Pcs	406,071 Pcs	250,019 Pcs

Engineering Selection Recommendations

For Standard Industrial Applications: CR0603-FX-5112ELF (Bourns Inc.) and RC0603FR-0751K1L (YAGEO) are direct functional equivalents with moisture-resistant thick film construction. Both maintain identical electrical specifications and operating parameters. RC0603FR-0751K1L offers the highest inventory availability (406,071 units) among all substitute options. CR0603-FX-5112ELF provides alternative packaging in Cut Tape & Digi-Reel format if reel-based assembly is not required.

For Automotive Applications: ERJ-3EKF5112V (Panasonic Electronic Components) and RMCF0603FT51K1 (Stackpole Electronics Inc.) carry AEC-Q200 automotive qualification. Selection between these two depends on packaging preference: ERJ-3EKF5112V is supplied in Tape & Reel format with 132,898 units in stock; RMCF0603FT51K1 is also supplied in Tape & Reel format with 250,019 units in stock. Both maintain identical electrical and thermal specifications required for automotive-grade reliability.

Packaging Considerations: The RMC1/16K5112FTP is supplied in Tape & Reel (TR) format. Substitute parts maintaining TR packaging are ERJ-3EKF5112V, RMCF0603FT51K1, and the original part. Parts supplied in Cut Tape (CT) & Digi-Reel format (CR0603-FX-5112ELF and RC0603FR-0751K1L) are suitable for manual assembly or alternative pick-and-place equipment configurations.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RMC1/16K5112FTP with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts maintain identical resistance value (51.1 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Direct substitution is electrically and mechanically compatible without circuit modification.

Q: What is the difference between standard industrial grade and automotive grade substitutes?

A: Standard industrial grade substitutes (CR0603-FX-5112ELF and RC0603FR-0751K1L) include moisture-resistant features for general industrial applications. Automotive grade substitutes (ERJ-3EKF5112V and RMCF0603FT51K1) carry AEC-Q200 certification, indicating compliance with automotive reliability and qualification standards. Use automotive grade parts only when application requirements explicitly mandate AEC-Q200 compliance.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Tape & Reel versus Cut Tape & Digi-Reel) affects assembly process compatibility and handling logistics only. Electrical and thermal performance remains identical across all substitute parts regardless of packaging format.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts carry ROHS3 compliance certification. The original RMC1/16K5112FTP does not specify RoHS status in provided documentation.

Q: What is MSL 1 rating and why is it important?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited moisture sensitivity, meaning the component requires no special moisture control during storage, handling, or assembly. All listed parts and the original component carry MSL 1 rating, confirming compatibility in standard manufacturing environments without specialized moisture-controlled storage requirements.

Q: Which substitute part offers the best inventory availability?

A: RC0603FR-0751K1L (YAGEO) provides the highest inventory availability at 406,071 units in stock, followed by RMCF0603FT51K1 (Stackpole) at 250,019 units and ERJ-3EKF5112V (Panasonic) at 132,898 units.

Q: Can I use an automotive-grade part in a non-automotive application?

A: Yes. Automotive-grade parts (ERJ-3EKF5112V and RMCF0603FT51K1) exceed standard industrial specifications and are fully compatible with non-automotive applications. However, this may result in unnecessary cost premium if automotive certification is not required.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message