RMC1/10K78R7FTP Equivalent & Substitute Parts

Part Overview

The RMC1/10K78R7FTP is a 78.7 Ohm ±1% thick film chip resistor manufactured by Kamaya Inc., rated at 0.125W (1/8W) in 0805 (2012 Metric) surface mount package. This component is currently active in production with 1100 pieces in stock. Substitute parts are necessary to address supply chain continuity, alternative sourcing options, or specific application requirements such as automotive qualification or enhanced moisture resistance.

Key Parameters

Parameter	Value
Resistance	78.7 Ohms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Packaging Format	Tape & Reel (TR)

Substitute Part Grouping Explanation

Substitution eligibility for the RMC1/10K78R7FTP is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 78.7 Ohms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Moisture sensitivity level: 1 (Unlimited)

All four substitute parts listed meet these mandatory requirements. Variations exist only in manufacturer-specific features (automotive AEC-Q200 qualification, moisture-resistant construction) and physical height dimensions, which do not affect electrical substitutability within the specified parameter envelope.

Parameter Comparison

Parameter	RMC1/10K78R7FTP (Kamaya)	ERJ-6ENF78R7V (Panasonic)	MCR10ERTF78R7 (Rohm)	RC0805FR-0778R7L (YAGEO)	RMCF0805FT78R7 (Stackpole)
Resistance	78.7 Ohms	78.7 Ohms	78.7 Ohms	78.7 Ohms	78.7 Ohms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W	0.125W
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 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)
Height - Seated (Max)	0.026" (0.65mm)	0.028" (0.70mm)	0.026" (0.65mm)	0.024" (0.60mm)	0.026" (0.65mm)
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Discontinued at DiGi Electronics	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Active Status):

ERJ-6ENF78R7V (Panasonic) and RMCF0805FT78R7 (Stackpole) are recommended as primary substitutes. Both are active products with full production support. ERJ-6ENF78R7V carries AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability. RMCF0805FT78R7 also provides AEC-Q200 qualification with identical electrical parameters and maximum seated height of 0.026" (0.65mm), matching the original part.

RC0805FR-0778R7L (YAGEO) is an active substitute with the lowest maximum seated height at 0.024" (0.60mm) and includes moisture-resistant construction. This part is suitable for applications with space constraints or enhanced environmental protection requirements. YAGEO inventory availability is significantly higher at 121,823 pieces.

Secondary Substitute (Discontinued Status):

MCR10ERTF78R7 (Rohm) is discontinued at DiGi Electronics but remains available in inventory (9,815 pieces). This part meets all electrical and mechanical specifications but should be selected only when primary substitutes are unavailable, as future sourcing may be limited.

All substitute parts maintain REACH Unaffected and EAR99 export classification status consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6ENF78R7V replace RMC1/10K78R7FTP in any application?

A: Yes. ERJ-6ENF78R7V meets all mandatory electrical parameters: 78.7 Ohms ±1%, 0.125W power rating, 0805 package, thick film composition, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. The maximum seated height difference (0.028" vs. 0.026") is within typical PCB design tolerances for 0805 components.

Q: What is the difference between automotive-qualified and standard versions?

A: ERJ-6ENF78R7V and RMCF0805FT78R7 carry AEC-Q200 automotive qualification, indicating compliance with automotive reliability and testing standards. The RMC1/10K78R7FTP and MCR10ERTF78R7 do not specify automotive qualification. For non-automotive applications, all parts are electrically equivalent.

Q: Why is RC0805FR-0778R7L listed as a substitute if it has different height?

A: The 0.024" (0.60mm) maximum seated height of RC0805FR-0778R7L is within the 0805 package specification and does not affect electrical performance. Height variation is a normal manufacturing tolerance for thick film resistors. This part is suitable for applications where PCB clearance is not a constraint.

Q: Is MCR10ERTF78R7 still available for new designs?

A: MCR10ERTF78R7 is discontinued at DiGi Electronics but 9,815 pieces remain in current inventory. For new designs, ERJ-6ENF78R7V, RC0805FR-0778R7L, or RMCF0805FT78R7 are recommended to ensure long-term supply chain continuity.

Q: Are all substitutes RoHS3 compliant?

A: ERJ-6ENF78R7V, MCR10ERTF78R7, RC0805FR-0778R7L, and RMCF0805FT78R7 are all ROHS3 compliant. RoHS compliance status is not specified for the original RMC1/10K78R7FTP.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts, including the original and substitutes, share this MSL 1 rating.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message