RMC1/8-2R7JTP Equivalent & Substitute Parts

Part Overview

The RMC1/8-2R7JTP is a 2.7 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Kamaya Inc. This component is classified as Active product status with 893 pieces in current inventory. The RMC1/8-2R7JTP serves as a general-purpose resistor element in electronic circuits requiring fixed resistance values with standard tolerance specifications. Substitute parts are identified to provide alternative sourcing options when the primary part becomes unavailable or when design requirements necessitate enhanced specifications such as improved tolerance or automotive-grade certifications.

Key Parameters

Parameter	Value
Resistance	2.7 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	-200 / +500 ppm/°C
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2
RoHS Status	Not specified

Substitute Part Grouping Explanation

Substitute parts for the RMC1/8-2R7JTP are qualified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

Resistance value: 2.7 Ohms (exact match required)
Power rating: 0.25W / 1/4W (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Operating temperature range: -55°C ~ 155°C (minimum requirement)
Number of terminations: 2 (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (minimum requirement)

Secondary Enhancement Parameters:

Tolerance: ±5% (baseline) or ±1% (enhanced)
Temperature coefficient: -200/+500 ppm/°C (baseline) or ±200/±300 ppm/°C (enhanced)
Certifications: AEC-Q200 automotive qualification (optional enhancement)
Features: Moisture resistant coating (optional enhancement)

Substitute parts are grouped into two categories: Direct Equivalents (matching tolerance ±5%) and Upgraded Alternatives (improved tolerance ±1% with optional automotive certifications).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	Features	RoHS Status
RMC1/8-2R7JTP	Kamaya Inc.	2.7 Ω	±5%	0.25	1206	-200/+500	-55 ~ 155	—	Not specified
ERJ-8RQF2R7V	Panasonic Electronic Components	2.7 Ω	±1%	0.25	1206	±200	-55 ~ 155	Automotive AEC-Q200, Current Sense	ROHS3 Compliant
RC1206FR-072R7L	YAGEO	2.7 Ω	±1%	0.25	1206	±200	-55 ~ 155	Moisture Resistant	ROHS3 Compliant
RC1206JR-072R7L	YAGEO	2.7 Ω	±5%	0.25	1206	±200	-55 ~ 155	Moisture Resistant	ROHS3 Compliant
RC3216F2R7CS	Samsung Electro-Mechanics	2.7 Ω	±1%	0.25	1206	±300	-55 ~ 155	Moisture Resistant	ROHS3 Compliant
RMCF1206FT2R70	Stackpole Electronics Inc	2.7 Ω	±1%	0.25	1206	±200	-55 ~ 155	Automotive AEC-Q200	ROHS3 Compliant
RMCF1206JT2R70	Stackpole Electronics Inc	2.7 Ω	±5%	0.25	1206	±200	-55 ~ 155	Automotive AEC-Q200	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent Selection (±5% Tolerance Match):

RC1206JR-072R7L (YAGEO) and RMCF1206JT2R70 (Stackpole Electronics Inc) maintain the ±5% tolerance specification of the RMC1/8-2R7JTP. Both parts are ROHS3 compliant and feature moisture-resistant or automotive-grade construction. RC1206JR-072R7L provides moisture resistance with standard industrial specifications. RMCF1206JT2R70 adds automotive AEC-Q200 certification, suitable for applications requiring enhanced reliability in automotive environments.

Upgraded Alternative Selection (±1% Tolerance Enhancement):

ERJ-8RQF2R7V (Panasonic), RC1206FR-072R7L (YAGEO), RC3216F2R7CS (Samsung Electro-Mechanics), and RMCF1206FT2R70 (Stackpole Electronics Inc) offer improved ±1% tolerance specification. All four parts are ROHS3 compliant. ERJ-8RQF2R7V and RMCF1206FT2R70 include automotive AEC-Q200 certification. RC1206FR-072R7L and RC3216F2R7CS provide moisture-resistant features for enhanced environmental protection. Selection among these upgraded alternatives depends on specific application requirements for automotive qualification or moisture resistance.

Compliance Considerations:

All substitute parts maintain the -55°C ~ 155°C operating temperature range and MSL 1 (Unlimited) moisture sensitivity level of the original part. All identified substitutes are ROHS3 compliant, supporting regulatory requirements for restricted substance elimination. REACH compliance status is consistent across all parts (REACH Unaffected).

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-072R7L directly replace RMC1/8-2R7JTP without circuit redesign?

A: Yes. RC1206JR-072R7L maintains identical electrical specifications (2.7 Ω ±5%, 0.25W) and mechanical package (1206). Both parts operate across -55°C ~ 155°C and feature MSL 1 rating. The primary difference is moisture-resistant coating on RC1206JR-072R7L, which provides enhanced environmental protection without affecting circuit performance.

Q: What is the advantage of selecting a ±1% tolerance part over the ±5% specification?

A: ±1% tolerance parts (ERJ-8RQF2R7V, RC1206FR-072R7L, RC3216F2R7CS, RMCF1206FT2R70) provide tighter resistance value control, reducing circuit performance variation. This is beneficial in precision analog circuits, measurement applications, or systems with tight impedance matching requirements. The original ±5% specification is adequate for general-purpose applications where component tolerance stack-up is not critical.

Q: Are automotive-grade parts (AEC-Q200) suitable for non-automotive applications?

A: Yes. Automotive-grade parts (ERJ-8RQF2R7V, RMCF1206FT2R70, RMCF1206JT2R70) meet enhanced reliability and qualification standards. These parts are fully compatible with non-automotive applications and provide additional assurance of manufacturing consistency and long-term reliability. AEC-Q200 certification does not restrict use to automotive circuits.

Q: What is the difference between Panasonic ERJ-8RQF2R7V and Stackpole RMCF1206FT2R70?

A: Both parts share identical electrical specifications (2.7 Ω ±1%, 0.25W, ±200 ppm/°C) and automotive AEC-Q200 certification. Physical dimensions differ slightly: ERJ-8RQF2R7V measures 3.20mm × 1.60mm with 0.70mm maximum height, while RMCF1206FT2R70 measures 3.20mm × 1.60mm with 0.70mm maximum height. Both are mechanically compatible with 1206 footprints. Selection depends on supplier availability and preferred manufacturer qualification.

Q: Is the temperature coefficient difference between parts significant?

A: The RMC1/8-2R7JTP specifies -200/+500 ppm/°C, while most substitutes specify ±200 or ±300 ppm/°C. For general-purpose applications operating within the -55°C ~ 155°C range, these differences produce minimal resistance variation. In precision circuits with extreme temperature cycling or tight tolerance requirements, the tighter ±200 ppm/°C specification of Panasonic, YAGEO, and Stackpole parts provides superior stability.

Q: Can parts with different packaging formats (Tape & Reel vs. Cut Tape) be used interchangeably?

A: Yes. Packaging format (Tape & Reel or Cut Tape & Digi-Reel) affects supply and handling logistics but does not impact electrical or mechanical compatibility. The component itself is identical regardless of packaging format. Selection should be based on assembly process requirements and supplier inventory.

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