RMCF0805FG140K Equivalent & Substitute Parts

Part Overview

The RMCF0805FG140K is a 140 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Stackpole Electronics Inc. This automotive-grade component meets AEC-Q200 specifications and operates across -55°C to 155°C. The part is currently active in production with 1100 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and automotive compliance ratings.

Key Parameters

Parameter	Value
Resistance	140 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Matching Parameters:

Resistance value: 140 kOhms
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
RoHS compliance: ROHS3 Compliant
Moisture sensitivity level: 1 (Unlimited)

Acceptable Variations:

Manufacturer identity (different suppliers)
Packaging format (Tape & Reel vs. Cut Tape)
Seated height (within component tolerance)
Automotive certification status (AEC-Q200 or equivalent)
Moisture resistance features (additional capability)

All substitute parts listed meet or exceed these criteria and are electrically and mechanically interchangeable with the RMCF0805FG140K.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Height Max (mm)	Packaging	Status
RMCF0805FG140K	Stackpole Electronics Inc	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	Yes	0.65	Tape & Reel	Active
RMCF0805FT140K	Stackpole Electronics Inc	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	Yes	0.65	Tape & Reel	Active
CRCW0805140KFKEA	Vishay Dale	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	Yes	0.50	Tape & Reel	Active
ERJ-6ENF1403V	Panasonic Electronic Components	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	Yes	0.70	Tape & Reel	Active
KTR10EZPF1403	Rohm Semiconductor	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	Yes	0.65	Tape & Reel	Active
MCR10ERTF1403	Rohm Semiconductor	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	No	0.65	Cut Tape & Digi-Reel	Discontinued
CR0805-FX-1403ELF	Bourns Inc.	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	No	0.60	Tape & Reel	Active
RC0805FR-07140KL	YAGEO	140 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	No	0.60	Cut Tape & Digi-Reel	Active

Engineering Selection Recommendations

Primary Substitutes (Automotive AEC-Q200 Certified):

RMCF0805FT140K, CRCW0805140KFKEA, ERJ-6ENF1403V, and KTR10EZPF1403 are direct substitutes with active product status and AEC-Q200 certification. These parts are suitable for automotive applications requiring compliance with automotive qualification standards. CRCW0805140KFKEA offers the highest inventory availability (19,460 units) and reduced seated height (0.50mm).

Secondary Substitutes (Active Status, Non-Automotive Certified):

CR0805-FX-1403ELF and RC0805FR-07140KL are active products with moisture-resistant features. These parts are electrically equivalent but lack AEC-Q200 certification. Selection depends on application requirements and whether automotive qualification is mandatory.

Discontinued Parts:

MCR10ERTF1403 is discontinued at DiGi Electronics and should not be selected for new designs requiring long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can I substitute RMCF0805FG140K with any of the listed parts?

A: Yes, all listed parts with active product status meet the electrical and mechanical specifications of the RMCF0805FG140K. Selection should consider automotive certification requirements, packaging format, and supply availability.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging is supplied on continuous carrier tape suitable for automated assembly. Cut Tape & Digi-Reel packaging is supplied in shorter tape segments. Both formats contain identical components; packaging choice depends on assembly equipment and order quantity requirements.

Q: Does seated height variation affect compatibility?

A: Seated height variations (0.50mm to 0.70mm) are within standard component tolerances and do not affect electrical performance or PCB assembly compatibility for 0805 package designs.

Q: Why do some substitutes lack AEC-Q200 certification?

A: CR0805-FX-1403ELF and RC0805FR-07140KL are designed for general industrial applications. AEC-Q200 certification is specific to automotive-grade qualification. Use non-certified parts only in applications where automotive compliance is not required.

Q: Which substitute offers the best inventory availability?

A: CRCW0805140KFKEA (Vishay Dale) has 19,460 units in stock, significantly exceeding other options. This part is suitable for high-volume production requirements.

Q: Are all substitutes RoHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant and meet environmental regulatory requirements.

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