RMCF0603FT43R2 Equivalent & Substitute Parts

Part Overview

The RMCF0603FT43R2 is a 43.2 Ohm ±1% thick film chip resistor rated at 0.1W (1/10W) in 0603 (1608 Metric) package format. Manufactured by Stackpole Electronics Inc., this component is designed for automotive applications and meets AEC-Q200 qualification standards. The part is currently in active production status with 1,345 units in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and automotive compliance ratings are maintained across alternative manufacturers.

Key Parameters

Parameter	Value
Resistance	43.2 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 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

Substitute parts for the RMCF0603FT43R2 are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 43.2 Ohms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

Package format: 0603 (1608 Metric)
Number of terminations: 2
Composition: Thick Film

Compliance & Certifications (Must Match):

RoHS3 Compliant status
Moisture Sensitivity Level: 1 (Unlimited)
REACH Unaffected status

All identified substitute parts maintain these core parameters across manufacturers including Vishay Dale, Panasonic Electronic Components, and YAGEO, ensuring direct functional and mechanical interchangeability in automotive applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	RoHS3	Size L x W (mm)	Height Max (mm)
RMCF0603FT43R2	Stackpole Electronics Inc	43.2 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	Yes	1.55 x 0.80	0.55
CRCW060343R2FKEA	Vishay Dale	43.2 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	Yes	1.55 x 0.85	0.50
ERJ-3EKF43R2V	Panasonic Electronic Components	43.2 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	Yes	1.60 x 0.80	0.55
AC0603FR-0743R2L	YAGEO	43.2 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	Yes	1.60 x 0.80	0.55
CR0603-FX-43R2ELF	Bourns Inc.	43.2 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	No	Yes	1.60 x 0.80	0.55
RC0603FR-0743R2L	YAGEO	43.2 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	No	Yes	1.60 x 0.80	0.55

Engineering Selection Recommendations

Primary Substitutes (Full Compliance Match): CRCW060343R2FKEA (Vishay Dale), ERJ-3EKF43R2V (Panasonic Electronic Components), and AC0603FR-0743R2L (YAGEO) maintain complete electrical, mechanical, and compliance equivalence to the RMCF0603FT43R2. All three parts carry AEC-Q200 automotive qualification, ROHS3 compliance, and identical electrical specifications. These parts are suitable for direct replacement in automotive applications requiring maintained qualification status.

Secondary Substitutes (Electrical & Mechanical Equivalence): CR0603-FX-43R2ELF (Bourns Inc.) and RC0603FR-0743R2L (YAGEO) provide electrical and mechanical equivalence with ROHS3 compliance and identical electrical parameters. These parts do not carry explicit AEC-Q200 designation in the provided specifications. Selection of these parts should be evaluated based on application-specific automotive qualification requirements.

Inventory Availability: RC0603FR-0743R2L offers the highest inventory availability at 130,747 units. ERJ-3EKF43R2V provides 77,650 units. CRCW060343R2FKEA supplies 38,507 units. CR0603-FX-43R2ELF maintains 54,913 units in stock.

Frequently Asked Questions (FAQ)

Q: Can RMCF0603FT43R2 be directly replaced with any of the listed substitutes? A: CRCW060343R2FKEA, ERJ-3EKF43R2V, and AC0603FR-0743R2L provide direct replacement with maintained AEC-Q200 automotive qualification. CR0603-FX-43R2ELF and RC0603FR-0743R2L are electrically and mechanically equivalent but lack explicit AEC-Q200 designation in provided specifications.

Q: Are all substitute parts in the same 0603 package? A: Yes. All substitute parts use the 0603 (1608 Metric) package format. Minor dimensional variations exist within tolerance: length ranges from 1.55mm to 1.60mm, width from 0.80mm to 0.85mm, and height from 0.50mm to 0.55mm. These variations remain within standard 0603 package specifications.

Q: Do all substitutes meet automotive standards? A: CRCW060343R2FKEA, ERJ-3EKF43R2V, and AC0603FR-0743R2L carry AEC-Q200 qualification matching the original part. CR0603-FX-43R2ELF and RC0603FR-0743R2L do not list AEC-Q200 in provided specifications. Verify application requirements before selecting non-AEC-Q200 qualified parts.

Q: What is the significance of Moisture Sensitivity Level 1? A: MSL 1 indicates unlimited shelf life without moisture bake requirements. All listed parts maintain MSL 1 rating, ensuring equivalent moisture handling and storage conditions.

Q: Are all substitutes RoHS3 compliant? A: Yes. All substitute parts listed maintain ROHS3 Compliant status and REACH Unaffected designation, matching the original RMCF0603FT43R2 environmental compliance profile.

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