RMC1/8-5114FTP Equivalent & Substitute Parts

Part Overview

The RMC1/8-5114FTP is a 5.11 MOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Kamaya Inc. This thick film resistor is classified as Active product status with unlimited moisture sensitivity rating. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and packaging requirements to ensure direct functional equivalence in circuit applications.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	5.11 MOhms	Primary electrical specification
Tolerance	±1%	Accuracy requirement
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package Type	1206 (3216 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Operating Temperature Range	-55°C ~ 155°C	Environmental operating limits
Packaging Format	Tape & Reel (TR)	Supply and handling method
Moisture Sensitivity Level	MSL 1 (Unlimited)	Storage and handling requirements

Substitute Part Grouping Explanation

Substitution eligibility for RMC1/8-5114FTP is determined by the following critical parameters:

Electrical Equivalence Requirements:

Resistance value: 5.11 MOhms (exact match required)
Tolerance: ±1% (matching or tighter tolerance acceptable)
Power rating: 0.25W minimum (equal or higher acceptable)

Mechanical Compatibility Requirements:

Package: 1206 (3216 Metric) form factor (exact match required)
Termination count: 2 terminations (exact match required)
Physical dimensions: 0.122" L x 0.063" W (3.10mm x 1.60mm) (exact match required)

Environmental & Compliance Requirements:

Operating temperature range: -55°C ~ 155°C minimum (equal or wider range acceptable)
Moisture sensitivity: MSL 1 or equivalent (equal or lower MSL acceptable)
Packaging format: Tape & Reel (TR) (exact match required)

The RC1206FR-075M11L from YAGEO meets all substitution criteria and is classified as an equivalent substitute part.

Parameter Comparison

Parameter	RMC1/8-5114FTP (Kamaya Inc.)	RC1206FR-075M11L (YAGEO)	Compatibility Status
Resistance Value	5.11 MOhms	5.11 MOhms	Equivalent
Tolerance	±1%	±1%	Equivalent
Power Rating	0.25W (1/4W)	0.25W (1/4W)	Equivalent
Package Type	1206 (3216 Metric)	1206 (3216 Metric)	Equivalent
Composition	Thick Film	Thick Film	Equivalent
Temperature Coefficient	±200ppm/°C	±100ppm/°C	Substitute Superior
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	Equivalent
Dimensions (L x W)	0.122" x 0.063" (3.10mm x 1.60mm)	0.122" x 0.063" (3.10mm x 1.60mm)	Equivalent
Height - Seated (Max)	0.025" (0.65mm)	0.026" (0.65mm)	Equivalent
Terminations	2	2	Equivalent
Moisture Sensitivity Level	MSL 1 (Unlimited)	MSL 1 (Unlimited)	Equivalent
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
ECCN	EAR99	EAR99	Equivalent

Engineering Selection Recommendations

Primary Part: RMC1/8-5114FTP

The RMC1/8-5114FTP maintains Active product status with full availability (722 Pcs in stock). This part is REACH Unaffected and classified under ECCN EAR99, meeting standard export compliance requirements.

Substitute Part: RC1206FR-075M11L

The RC1206FR-075M11L from YAGEO is a direct functional equivalent with superior performance characteristics. This substitute offers:

Identical electrical specifications (5.11 MOhms ±1%, 0.25W)
Identical mechanical compatibility (1206 package, 3.10mm x 1.60mm dimensions)
Improved temperature coefficient (±100ppm/°C versus ±200ppm/°C)
Moisture-resistant composition providing enhanced environmental protection
Active product status with higher inventory availability (16219 Pcs in stock)
ROHS3 Compliant certification
Identical compliance ratings (REACH Unaffected, EAR99)

Both parts are suitable for direct substitution in applications requiring 5.11 MOhms ±1% 0.25W resistors in 1206 package format. Selection between primary and substitute should be based on availability, lead time, and cost considerations, as electrical and mechanical compatibility is fully established.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-075M11L replace RMC1/8-5114FTP in existing designs?

A: Yes. Both parts share identical resistance value (5.11 MOhms), tolerance (±1%), power rating (0.25W), package type (1206), and operating temperature range (-55°C ~ 155°C). Physical dimensions and termination count are equivalent. Direct substitution is supported without circuit redesign.

Q: What is the difference in temperature coefficient between these parts?

A: The RMC1/8-5114FTP has a temperature coefficient of ±200ppm/°C, while the RC1206FR-075M11L has ±100ppm/°C. The substitute part exhibits superior temperature stability, resulting in lower resistance drift across the operating temperature range.

Q: Are both parts available in Tape & Reel packaging?

A: Yes. Both RMC1/8-5114FTP and RC1206FR-075M11L are supplied in Tape & Reel (TR) format, suitable for automated assembly processes.

Q: What is the moisture sensitivity rating for these resistors?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. These components can be stored and handled without special moisture control measures.

Q: Does the substitute part have RoHS compliance?

A: Yes. The RC1206FR-075M11L is ROHS3 Compliant. The primary part (RMC1/8-5114FTP) does not specify RoHS status in the provided data.

Q: Are there any export restrictions on these parts?

A: Both parts are classified under ECCN EAR99 and are REACH Unaffected, indicating standard export compliance with no additional restrictions.

Q: What is the maximum seated height for these components?

A: Both parts have a maximum seated height of 0.025" to 0.026" (0.65mm), ensuring compatibility with standard PCB assembly specifications and clearance requirements.

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