RC1608F1743CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1743CS is a 174 kOhms ±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 with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements in compact surface-mount configurations. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, packaging format, and compliance certifications to ensure direct interchangeability in circuit designs.

Key Parameters

Parameter	Specification
Resistance Value	174 kOhms
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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC1608F1743CS are classified into two categories based on substitution relationship type and application scope:

Direct Manufacturer Equivalents maintain identical electrical and mechanical specifications with no additional certifications or feature enhancements. These parts are suitable for direct one-to-one replacement in all applications where the original part was specified.

Similar Parts with Enhanced Certifications meet all core electrical and mechanical requirements of the RC1608F1743CS while incorporating additional automotive-grade qualifications (AEC-Q200). These parts are suitable for applications requiring automotive compliance or where enhanced reliability standards are mandated.

Substitution eligibility is determined by the following parameters:

Resistance value: 174 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.1W (exact match required)
Package format: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match required)
Moisture sensitivity level: 1 (exact match required)
RoHS compliance: ROHS3 (minimum requirement)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op. Temp Range	MSL	RoHS	AEC-Q200	Inventory
RC1608F1743CS	Samsung Electro-Mechanics	174 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	No	749 Pcs
CR0603-FX-1743ELF	Bourns Inc.	174 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	No	20209 Pcs
RC0603FR-07174KL	YAGEO	174 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	No	289715 Pcs
AC0603FR-07174KL	YAGEO	174 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Yes	26035 Pcs
CRCW0603174KFKEA	Vishay Dale	174 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Yes	31216 Pcs
ERJ-3EKF1743V	Panasonic Electronic Components	174 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Yes	25882 Pcs
RMCF0603FT174K	Stackpole Electronics Inc	174 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Yes	46422 Pcs

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive): The RC0603FR-07174KL (YAGEO RC_L series) and CR0603-FX-1743ELF (Bourns CR0603 series) are direct equivalents to the RC1608F1743CS. Both parts maintain identical electrical specifications, mechanical dimensions, and compliance certifications. Selection between these options may be based on inventory availability and supply chain considerations. The RC0603FR-07174KL demonstrates significantly higher inventory levels (289715 Pcs), providing supply chain stability for high-volume production requirements.

For Automotive Applications (AEC-Q200 Required): When automotive-grade qualification is mandated, the AC0603FR-07174KL (YAGEO AC series), CRCW0603174KFKEA (Vishay Dale CRCW series), ERJ-3EKF1743V (Panasonic ERJ-3EK series), and RMCF0603FT174K (Stackpole RMCF series) are qualified substitutes. All four parts maintain the core electrical and mechanical specifications of the RC1608F1743CS while incorporating AEC-Q200 automotive certification. The RMCF0603FT174K offers the highest inventory availability (46422 Pcs) among automotive-qualified options.

Compliance Verification: All substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols. REACH status is unaffected for all listed parts.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07174KL be used as a direct replacement for RC1608F1743CS?

A: Yes. The RC0603FR-07174KL is a direct equivalent. Both parts share identical resistance value (174 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1). No circuit modifications or design changes are required.

Q: What is the difference between parts with and without AEC-Q200 certification?

A: AEC-Q200 certification indicates automotive-grade qualification and enhanced reliability testing. Parts with AEC-Q200 (AC0603FR-07174KL, CRCW0603174KFKEA, ERJ-3EKF1743V, RMCF0603FT174K) are suitable for automotive applications where this certification is specified. Parts without AEC-Q200 (RC1608F1743CS, CR0603-FX-1743ELF, RC0603FR-07174KL) are suitable for general-purpose and industrial applications. Electrical and mechanical performance are equivalent across both groups.

Q: Are there dimensional differences between substitute parts?

A: Nominal package dimensions are 0603 (1608 Metric) for all listed parts. Minor variations exist in seated height specifications: most parts specify 0.022" (0.55mm) maximum, while CRCW0603174KFKEA specifies 0.020" (0.50mm). These variations remain within standard 0603 package tolerances and do not affect PCB layout or assembly compatibility.

Q: Which substitute part offers the best supply chain availability?

A: The RC0603FR-07174KL (YAGEO) demonstrates the highest inventory level at 289715 Pcs. For automotive applications, the RMCF0603FT174K (Stackpole) offers the highest availability at 46422 Pcs among AEC-Q200 qualified options.

Q: Can parts with different manufacturers be mixed in the same production batch?

A: Yes. All listed substitute parts meet identical electrical specifications, mechanical dimensions, and compliance requirements. Mixed sourcing from multiple manufacturers is permissible from an engineering compatibility standpoint. However, manufacturing and procurement procedures should be reviewed to ensure consistency with quality assurance protocols and traceability requirements.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. The component can be stored and handled under standard warehouse conditions without special moisture control measures. This applies to all listed parts and simplifies inventory management and logistics.

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