RC1608F43R2CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F43R2CS is a 43.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact surface-mount form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance certifications.

Key Parameters

Parameter	Value	Unit
Resistance	43.2	Ohms
Tolerance	±1%	-
Power Rating	0.1	W (1/10W)
Package / Case	0603 (1608 Metric)	-
Composition	Thick Film	-
Temperature Coefficient	±100	ppm/°C
Operating Temperature Range	-55 to 155	°C
Size / Dimension	1.60 x 0.80	mm (L x W)
Height - Seated (Max)	0.55	mm
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the RC1608F43R2CS are classified into three categories based on substitution relationship type and functional equivalence:

Direct Manufacturer Substitutes maintain identical electrical and mechanical specifications with the main part. These parts share the same resistance value (43.2 Ohms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (RoHS3, MSL 1). Direct substitutes include CR0603-FX-43R2ELF (Bourns Inc.) and RC0603FR-0743R2L (YAGEO).

Upgrade Substitutes are parts that meet or exceed the electrical and mechanical requirements of the main part but may have different product status or packaging format. MCR03ERTF43R2 (Rohm Semiconductor) matches all critical electrical parameters and environmental specifications but is discontinued at DiGi Electronics and supplied in Cut Tape (CT) & Digi-Reel® packaging instead of standard Tape & Reel.

Similar Parts with Enhanced Features maintain core electrical specifications (43.2 Ohms, ±1%, 0.1W, 0603 package) but include additional automotive-grade certifications (AEC-Q200). These parts are AC0603FR-0743R2L (YAGEO), CRCW060343R2FKEA (Vishay Dale), ERJ-3EKF43R2V (Panasonic Electronic Components), and RMCF0603FT43R2 (Stackpole Electronics Inc.). The AEC-Q200 qualification adds reliability assurance for automotive applications without altering base electrical performance.

Substitution Criteria:

Resistance: 43.2 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Power Rating: 0.1W / 1/10W (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C to 155°C (exact match required)
RoHS Compliance: ROHS3 (minimum requirement)
MSL Rating: 1 (Unlimited) (minimum requirement)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance (Ohms)	Tolerance	Power (W)	Package	Composition	Temp Coeff (ppm/°C)	Op Temp (°C)	Size (mm)	Height Max (mm)	RoHS	MSL	Product Status	Packaging Type
RC1608F43R2CS	Samsung Electro-Mechanics	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.60 x 0.80	0.55	ROHS3	1	Active	Tape & Reel
CR0603-FX-43R2ELF	Bourns Inc.	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.60 x 0.80	0.55	ROHS3	1	Active	Tape & Reel
RC0603FR-0743R2L	YAGEO	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.60 x 0.80	0.55	ROHS3	1	Active	Tape & Reel
MCR03ERTF43R2	Rohm Semiconductor	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.60 x 0.80	0.55	ROHS3	1	Discontinued	Cut Tape & Digi-Reel
AC0603FR-0743R2L	YAGEO	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.60 x 0.80	0.55	ROHS3	1	Active	Tape & Reel
CRCW060343R2FKEA	Vishay Dale	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.55 x 0.85	0.50	ROHS3	1	Active	Tape & Reel
ERJ-3EKF43R2V	Panasonic Electronic Components	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.60 x 0.80	0.55	ROHS3	1	Active	Tape & Reel
RMCF0603FT43R2	Stackpole Electronics Inc	43.2	±1%	0.1	0603	Thick Film	±100	-55 to 155	1.55 x 0.80	0.55	ROHS3	1	Active	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement in Active Production: CR0603-FX-43R2ELF (Bourns Inc.) and RC0603FR-0743R2L (YAGEO) are recommended as primary direct substitutes. Both parts maintain identical electrical specifications, mechanical dimensions, and compliance certifications as the RC1608F43R2CS. Both are Active product status with standard Tape & Reel packaging suitable for automated assembly processes. CR0603-FX-43R2ELF offers 54,913 pieces in stock inventory, while RC0603FR-0743R2L provides 130,747 pieces, ensuring supply continuity.

For Automotive Applications: AC0603FR-0743R2L (YAGEO), CRCW060343R2FKEA (Vishay Dale), ERJ-3EKF43R2V (Panasonic Electronic Components), and RMCF0603FT43R2 (Stackpole Electronics Inc.) are qualified to AEC-Q200 automotive standards. These parts maintain all core electrical and mechanical specifications while providing enhanced reliability assurance for automotive-grade applications. All four parts are Active product status. ERJ-3EKF43R2V provides the highest inventory availability at 77,650 pieces.

For Discontinued Part Replacement: MCR03ERTF43R2 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs. However, if existing inventory exists, this part meets all electrical and mechanical requirements for direct substitution. The part is supplied in Cut Tape (CT) & Digi-Reel® packaging, which may require different handling procedures compared to standard Tape & Reel format.

Dimensional Considerations: CRCW060343R2FKEA (Vishay Dale) and RMCF0603FT43R2 (Stackpole Electronics Inc.) exhibit minor dimensional variations. CRCW060343R2FKEA measures 1.55 x 0.85 mm with 0.50 mm maximum height, while RMCF0603FT43R2 measures 1.55 x 0.80 mm with 0.55 mm maximum height. These variations remain within 0603 package tolerance but should be verified against PCB layout constraints in space-critical applications.

Frequently Asked Questions (FAQ)

Q1: Can I substitute RC1608F43R2CS with CR0603-FX-43R2ELF or RC0603FR-0743R2L without design changes?

A: Yes. Both CR0603-FX-43R2ELF (Bourns Inc.) and RC0603FR-0743R2L (YAGEO) are direct electrical and mechanical equivalents. All critical parameters match: 43.2 Ohms ±1%, 0.1W power rating, 0603 package, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and RoHS3 compliance. No PCB layout or circuit modifications are required.

Q2: What is the difference between the main part and automotive-qualified substitutes?

A: The main part RC1608F43R2CS is a general-purpose resistor. Automotive-qualified substitutes (AC0603FR-0743R2L, CRCW060343R2FKEA, ERJ-3EKF43R2V, RMCF0603FT43R2) meet AEC-Q200 automotive reliability standards in addition to the same electrical specifications. AEC-Q200 qualification ensures enhanced testing, quality assurance, and failure rate documentation suitable for automotive applications. Electrical performance is identical.

Q3: Are there packaging format differences between substitute parts?

A: Most substitute parts are supplied in standard Tape & Reel (TR) packaging matching the main part. MCR03ERTF43R2 (Rohm Semiconductor) is supplied in Cut Tape (CT) & Digi-Reel® format, which requires different handling and may not be compatible with standard pick-and-place equipment configured for Tape & Reel. Verify packaging compatibility with your assembly process before selection.

Q4: Do dimensional variations between substitute parts affect PCB compatibility?

A: All substitute parts conform to 0603 (1608 Metric) package specification. Minor dimensional variations exist: CRCW060343R2FKEA measures 1.55 x 0.85 mm with 0.50 mm height, while most others measure 1.60 x 0.80 mm with 0.55 mm height. These variations are within standard 0603 tolerance. Verify against your specific PCB footprint and clearance requirements, particularly in space-constrained layouts.

Q5: Which substitute part offers the best inventory availability?

A: RC0603FR-0743R2L (YAGEO) provides the highest inventory at 130,747 pieces in stock. ERJ-3EKF43R2V (Panasonic Electronic Components) offers 77,650 pieces with AEC-Q200 qualification. CR0603-FX-43R2ELF (Bourns Inc.) provides 54,913 pieces. Inventory levels should be verified with your supplier for current availability.

Q6: Can I use MCR03ERTF43R2 as a long-term substitute?

A: MCR03ERTF43R2 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs or long-term production. While the part meets all electrical and mechanical specifications, discontinued status indicates limited future availability. Use CR0603-FX-43R2ELF, RC0603FR-0743R2L, or automotive-qualified alternatives for new designs.

Q7: What compliance certifications do all substitute parts share?

A: All substitute parts are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity level rating. All parts are REACH unaffected and classified as EAR99 for export control purposes. HTSUS code 8533.21.0030 applies to all parts. These certifications ensure regulatory compliance across industrial and commercial applications.

Q8: Are there performance differences in temperature coefficient between substitute parts?

A: No. All substitute parts, including the main part RC1608F43R2CS, maintain identical temperature coefficient specification of ±100ppm/°C and operating temperature range of -55°C to 155°C. Temperature stability performance is equivalent across all listed parts.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message