RMCS1206FT2K00 Equivalent & Substitute Parts

Part Overview

The RMCS1206FT2K00 is a 2 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) 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 identified when equivalent electrical specifications and mechanical compatibility are maintained across the 1206 package form factor.

Key Parameters

Parameter	Value
Resistance	2 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following electrical and mechanical parameters:

Resistance value: 2 kOhms
Tolerance: ±1%
Package / Case: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Parts are grouped into two categories: direct equivalents (matching 0.25W power rating) and upgraded alternatives (higher power ratings or enhanced features). Power rating upgrades are permitted when the 1206 package and all electrical specifications remain constant, as higher power ratings provide additional design margin without affecting circuit compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temperature Coefficient	Operating Temperature	Package / Case	Features	Product Status
RMCS1206FT2K00	Stackpole Electronics Inc	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Anti-Sulfur	Active
RMCF1206FT2K00	Stackpole Electronics Inc	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Automotive AEC-Q200	Active
AF1206FR-072KL	YAGEO	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Anti-Sulfur, Automotive AEC-Q200	Active
AC1206FR-072KL	YAGEO	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Automotive AEC-Q200, Moisture Resistant	Active
CR1206-FX-2001ELF	Bourns Inc.	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Moisture Resistant	Active
CRCW12062K00FKEA	Vishay Dale	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Automotive AEC-Q200	Active
CRCW12062K00FKEAHP	Vishay Dale	2 kOhms	±1%	0.75W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Automotive AEC-Q200, Pulse Withstanding	Active
ERJ-8ENF2001V	Panasonic Electronic Components	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Automotive AEC-Q200	Not For New Designs
ESR18EZPF2001	Rohm Semiconductor	2 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Automotive AEC-Q200, Pulse Withstanding	Active
RC1206FR-072KL	YAGEO	2 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206 (3216 Metric)	Moisture Resistant	Active

Engineering Selection Recommendations

Direct equivalents maintaining 0.25W power rating and anti-sulfur or moisture-resistant features include RMCF1206FT2K00 (Stackpole, Automotive AEC-Q200), AF1206FR-072KL (YAGEO, Anti-Sulfur with Automotive AEC-Q200), AC1206FR-072KL (YAGEO, Moisture Resistant with Automotive AEC-Q200), CR1206-FX-2001ELF (Bourns, Moisture Resistant), and RC1206FR-072KL (YAGEO, Moisture Resistant).

For applications requiring automotive qualification, RMCF1206FT2K00, AF1206FR-072KL, AC1206FR-072KL, CRCW12062K00FKEA, and CRCW12062K00FKEAHP all carry AEC-Q200 certification. CRCW12062K00FKEAHP and ESR18EZPF2001 provide upgraded power ratings (0.75W and 0.5W respectively) with pulse withstanding capability for designs requiring additional margin.

ERJ-8ENF2001V is marked "Not For New Designs" and should not be selected for new development despite meeting electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can CRCW12062K00FKEAHP (0.75W) be used as a direct replacement for RMCS1206FT2K00 (0.25W)?

A: Yes. The higher power rating provides additional thermal margin and does not affect circuit compatibility. All electrical parameters (resistance, tolerance, temperature coefficient, operating range) and package dimensions remain equivalent. The 1206 package accommodates the higher power rating without dimensional changes.

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

A: Anti-sulfur resistors are treated to resist sulfur contamination in industrial environments. Moisture-resistant resistors are designed to maintain performance in high-humidity conditions. Both are compatible substitutes for the RMCS1206FT2K00 based on electrical and mechanical equivalence.

Q: Are YAGEO AF1206FR-072KL and AC1206FR-072KL interchangeable?

A: Both are electrically and mechanically equivalent 2 kOhms ±1% 0.25W 1206 resistors with Automotive AEC-Q200 certification. AF1206FR-072KL includes anti-sulfur treatment; AC1206FR-072KL includes moisture resistance. Selection depends on environmental requirements rather than circuit compatibility.

Q: Why is ERJ-8ENF2001V listed if it is "Not For New Designs"?

A: ERJ-8ENF2001V meets all electrical and mechanical substitution criteria but carries a "Not For New Designs" status from Panasonic. It remains available for legacy system support and repair applications but should not be selected for new product development.

Q: Can ESR18EZPF2001 (0.5W) replace RMCS1206FT2K00 (0.25W)?

A: Yes. The 0.5W power rating is a direct upgrade within the 1206 package. All other electrical parameters match exactly. The higher power rating provides additional design margin and is fully compatible with circuits designed for 0.25W resistors.

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