RMC1/8K2872FTP Equivalent & Substitute Parts

Part Overview

The RMC1/8K2872FTP is a 28.7 kOhms ±1% 0.25W thick film chip resistor manufactured by Kamaya Inc. in 1206 (3216 Metric) surface mount package format. This component is currently Active in product status with 1086 pieces available in inventory. Substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain constraints require alternative sourcing, or when design specifications permit equivalent components from other manufacturers that meet identical electrical and mechanical parameters.

Key Parameters

Parameter	Value
Resistance	28.7 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution validity for the RMC1/8K2872FTP is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match Exactly):

Resistance value: 28.7 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

Package type: 1206 (3216 Metric)
Number of terminations: 2
Composition: Thick Film

Environmental & Compliance Parameters:

Moisture Sensitivity Level: 1 (Unlimited)
REACH Status: REACH Unaffected
ECCN: EAR99

All four substitute parts listed below meet these exact specifications and are therefore electrically and mechanically interchangeable with the RMC1/8K2872FTP in applications where the primary part is unavailable.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Product Status	Packaging Type
RMC1/8K2872FTP	Kamaya Inc.	28.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel (TR)
ERJ-8ENF2872V	Panasonic Electronic Components	28.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	Tape & Reel (TR)
MCR18ERTF2872	Rohm Semiconductor	28.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Discontinued at DiGi Electronics	Cut Tape (CT) & Digi-Reel®
RC1206FR-0728K7L	YAGEO	28.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel (TR)
RMCF1206FT28K7	Stackpole Electronics Inc	28.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Substitutes (Active Status):

RC1206FR-0728K7L (YAGEO) and RMCF1206FT28K7 (Stackpole Electronics Inc) are the preferred substitute options. Both parts maintain Active product status, ensuring continued availability and manufacturing support. RC1206FR-0728K7L includes moisture-resistant features. RMCF1206FT28K7 carries AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability.

Secondary Substitutes (Limited Availability):

ERJ-8ENF2872V (Panasonic Electronic Components) is marked as Not For New Designs, indicating phase-out status. This part carries AEC-Q200 automotive qualification but should be used only when existing inventory must be consumed or when legacy design compatibility is required.

MCR18ERTF2872 (Rohm Semiconductor) is Discontinued at DiGi Electronics. This part remains available through limited inventory channels but should not be selected for new production designs due to discontinuation status.

Compliance & Certifications:

All substitute parts are ROHS3 Compliant, REACH Unaffected, and classified as EAR99 for export control purposes. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating, permitting unrestricted storage and handling conditions.

Frequently Asked Questions (FAQ)

Q: Can I substitute RMC1/8K2872FTP with any of these parts without circuit redesign?

A: Yes. All listed substitute parts are electrically and mechanically equivalent. They share identical resistance (28.7 kOhms), tolerance (±1%), power rating (0.25W), package format (1206), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Direct substitution is valid at the component level.

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

A: Tape & Reel (TR) packaging supplies components on continuous carrier tape wound on reels, suitable for automated pick-and-place assembly. Cut Tape (CT) & Digi-Reel® packaging provides components on cut tape segments, typically used for smaller quantity orders or manual assembly. Both formats contain identical components; packaging type affects procurement and assembly logistics only.

Q: Why are some parts marked "Not For New Designs" or "Discontinued"?

A: ERJ-8ENF2872V is marked Not For New Designs, indicating the manufacturer has ceased active development and is phasing out this product line. MCR18ERTF2872 is Discontinued at DiGi Electronics, meaning this distributor no longer stocks or supports the part. These designations reflect manufacturer lifecycle status, not component performance. Existing inventory may remain available through alternative channels.

Q: Are automotive-qualified parts (AEC-Q200) required for my application?

A: AEC-Q200 qualification is required only if your application demands automotive-grade reliability standards. RMCF1206FT28K7 (Stackpole) and ERJ-8ENF2872V (Panasonic) carry AEC-Q200 certification. Standard industrial applications do not require this qualification. Selection should be based on application requirements, not certification alone.

Q: What is the significance of the ±100ppm/°C temperature coefficient?

A: Temperature coefficient specifies resistance change per degree Celsius across the operating range. ±100ppm/°C means the resistance value can shift by up to 0.01% per °C. All listed parts share this specification, ensuring equivalent thermal stability across the -55°C ~ 155°C operating range.

Q: Can I mix different substitute parts in the same production batch?

A: Yes. All substitute parts meet identical electrical and mechanical specifications. Mixing parts from different manufacturers in the same assembly is technically valid. However, procurement and quality control practices may require consistency within a single production lot for traceability and documentation purposes.

Q: What does MSL 1 (Unlimited) mean for storage and handling?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. These parts can be stored indefinitely without desiccant packaging, do not require baking before reflow soldering, and have no shelf-life limitations due to moisture absorption. Standard dry storage conditions are sufficient.

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