RMCS1206FT2K15 Equivalent & Substitute Parts

Part Overview

The RMCS1206FT2K15 is a 2.15 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) surface mount package manufactured by Stackpole Electronics Inc. This anti-sulfur resistor operates across -55°C to 155°C and is ROHS3 compliant with unlimited moisture sensitivity rating. The part is currently active in production. Substitute parts are necessary to address supply availability, design requirements for automotive qualification, or alternative sourcing strategies.

Key Parameters

Parameter	Value
Resistance	2.15 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical parameters:

Resistance value: 2.15 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Terminations: 2
MSL rating: 1 (Unlimited)

All substitute parts listed meet these core electrical and mechanical parameters. Variations in physical dimensions (length, width, height), manufacturing features (anti-sulfur, automotive qualification, moisture resistance), and compliance certifications do not affect functional substitutability within the specified parameter set.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	RoHS Status	Product Status	Features
RMCS1206FT2K15	Stackpole Electronics Inc	2.15 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C to 155°C	ROHS3 Compliant	Active	Anti-Sulfur
RMCF1206FT2K15	Stackpole Electronics Inc	2.15 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C to 155°C	ROHS3 Compliant	Active	Automotive AEC-Q200
CRCW12062K15FKEA	Vishay Dale	2.15 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C to 155°C	ROHS3 Compliant	Active	Automotive AEC-Q200
CRCW12062K15FKTA	Vishay Dale	2.15 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C to 155°C	RoHS Non-Compliant	Active	Automotive AEC-Q200
ERJ-8ENF2151V	Panasonic Electronic Components	2.15 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C to 155°C	ROHS3 Compliant	Not For New Designs	Automotive AEC-Q200
RC1206FR-072K15L	YAGEO	2.15 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C to 155°C	ROHS3 Compliant	Active	Moisture Resistant

Engineering Selection Recommendations

Primary Substitutes (Active Status, ROHS3 Compliant):

RMCF1206FT2K15 (Stackpole Electronics Inc) and CRCW12062K15FKEA (Vishay Dale) are preferred substitutes. Both maintain active product status and ROHS3 compliance. RMCF1206FT2K15 provides automotive AEC-Q200 qualification from the original manufacturer. CRCW12062K15FKEA offers the same qualification from an alternative established supplier.

RC1206FR-072K15L (YAGEO) is an active substitute with ROHS3 compliance and moisture-resistant construction, suitable for applications requiring enhanced environmental protection.

Secondary Substitute (Compliance Consideration):

CRCW12062K15FKTA (Vishay Dale) is electrically and mechanically equivalent but carries RoHS non-compliance and REACH-affected status. This part is suitable only for applications where regulatory compliance is not required.

Legacy Substitute (Not For New Designs):

ERJ-8ENF2151V (Panasonic Electronic Components) meets all electrical and mechanical parameters with ROHS3 compliance and automotive AEC-Q200 qualification. However, its "Not For New Designs" status indicates manufacturer discontinuation trajectory. Use only for legacy system maintenance or when supply of active alternatives is unavailable.

Frequently Asked Questions (FAQ)

Q: Can RMCF1206FT2K15 directly replace RMCS1206FT2K15 in existing designs?

A: Yes. Both parts share identical electrical specifications (2.15 kΩ ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C), package (1206), and MSL rating (1). The primary difference is automotive AEC-Q200 qualification in RMCF1206FT2K15, which does not prevent substitution in non-automotive applications.

Q: What is the difference between anti-sulfur and moisture-resistant features?

A: Anti-sulfur construction (RMCS1206FT2K15) protects against sulfur-containing atmospheric corrosion. Moisture-resistant construction (RC1206FR-072K15L) provides enhanced protection in high-humidity environments. Both are thick film resistors with identical electrical performance. Feature selection depends on application environment, not electrical function.

Q: Why is CRCW12062K15FKTA marked RoHS non-compliant?

A: CRCW12062K15FKTA does not meet ROHS3 standards and is REACH-affected. This part is functionally equivalent but restricted to applications where regulatory compliance is not mandated. Verify regulatory requirements before selection.

Q: Is ERJ-8ENF2151V suitable for new product designs?

A: ERJ-8ENF2151V carries "Not For New Designs" status, indicating the manufacturer is phasing out this part. While electrically and mechanically equivalent, it should be used only for legacy system support or temporary supply solutions. Prioritize active alternatives for new designs.

Q: Do physical dimension variations affect PCB layout compatibility?

A: All substitute parts use 1206 (3216 Metric) package with identical footprint requirements. Minor variations in seated height (0.024" to 0.028") do not affect PCB layout or assembly compatibility. Verify specific height constraints only if clearance is critical in your application.

Q: Can automotive-qualified parts (RMCF1206FT2K15, CRCW12062K15FKEA, ERJ-8ENF2151V) be used in non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification represents additional testing and reliability assurance. These parts are fully compatible with non-automotive applications and may provide enhanced reliability margins.

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