RMCS0805FT287K Equivalent & Substitute Parts

Part Overview

The RMCS0805FT287K is a 287 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Stackpole Electronics Inc. This component is classified as Active product status with anti-sulfur construction. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Value
Resistance	287 kOhms
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RMCS0805FT287K are qualified based on the following criteria:

Identical resistance value: 287 kOhms
Matching tolerance: ±1%
Equivalent power rating: 0.125W (1/8W)
Same package designation: 0805 (2012 Metric)
Identical composition: Thick Film
Matching temperature coefficient: ±100ppm/°C
Overlapping operating temperature range: -55°C ~ 155°C
Equivalent RoHS compliance: ROHS3 Compliant
Equivalent moisture sensitivity: MSL 1 (Unlimited)

All identified substitutes meet these core electrical and mechanical parameters, enabling direct replacement in circuit applications without design modification.

Parameter Comparison

Parameter	RMCS0805FT287K (Stackpole)	CRCW0805287KFKEA (Vishay Dale)	ERJ-6ENF2873V (Panasonic)	RC0805FR-07287KL (YAGEO)
Resistance	287 kOhms	287 kOhms	287 kOhms	287 kOhms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±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
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.024" (0.60mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.024" (0.60mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status, ensuring continued availability and manufacturer support. Selection among CRCW0805287KFKEA, ERJ-6ENF2873V, and RC0805FR-07287KL depends on application-specific requirements:

CRCW0805287KFKEA (Vishay Dale) carries AEC-Q200 automotive qualification with seated height of 0.020" (0.50mm), suitable for applications requiring automotive-grade reliability and minimal vertical clearance.

ERJ-6ENF2873V (Panasonic Electronic Components) provides AEC-Q200 automotive qualification with seated height of 0.028" (0.70mm), appropriate for automotive applications with standard vertical spacing requirements.

RC0805FR-07287KL (YAGEO) features moisture-resistant construction with seated height of 0.024" (0.60mm), suitable for general industrial applications requiring enhanced moisture protection.

All parts comply with ROHS3 and maintain MSL 1 (Unlimited) moisture sensitivity classification, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805287KFKEA replace RMCS0805FT287K directly on the PCB?

A: Yes. Both components share identical electrical specifications (287 kOhms ±1%, 0.125W), package designation (0805), and operating temperature range (-55°C ~ 155°C). The CRCW0805287KFKEA has a lower seated height (0.020" vs 0.024"), which is compatible with standard PCB layouts.

Q: What is the difference between the anti-sulfur feature of RMCS0805FT287K and the moisture-resistant feature of RC0805FR-07287KL?

A: Anti-sulfur construction protects against sulfur-containing atmospheric corrosion, while moisture-resistant construction provides protection against moisture ingress. Both are protective features applicable to different environmental conditions. Selection depends on the specific operating environment.

Q: Are the AEC-Q200 qualified parts (CRCW0805287KFKEA and ERJ-6ENF2873V) suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents a higher reliability standard and is fully compatible with non-automotive applications. These parts can be used as direct substitutes in any application where the RMCS0805FT287K is specified.

Q: Does the height difference between substitute parts affect PCB assembly?

A: Height variations (0.020" to 0.028") are within standard 0805 package tolerances and do not affect PCB assembly compatibility. Standard pick-and-place equipment and reflow processes accommodate these variations without modification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity classification, meeting current environmental and regulatory requirements.

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