RC1608F4223CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F4223CS is a 422 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 moisture resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, packaging format, and regulatory compliance to enable direct circuit board replacement where design requirements permit.

Key Parameters

Parameter	Specification
Resistance Value	422 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
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for RC1608F4223CS are classified into two categories based on feature alignment:

Direct Substitutes share identical electrical specifications, mechanical dimensions, and moisture resistant characteristics without additional automotive qualification:

CR0603-FX-4223ELF (Bourns Inc.)
RC0603FR-07422KL (YAGEO)

Similar Substitutes match all core electrical and mechanical parameters but include automotive AEC-Q200 qualification, representing enhanced reliability certification:

CRCW0603422KFKEA (Vishay Dale)
ERJ-3EKF4223V (Panasonic Electronic Components)
RMCF0603FT422K (Stackpole Electronics Inc)

Substitution eligibility is determined by the following parameters: resistance value (422 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 RoHS3 compliance status. All listed substitutes satisfy these criteria.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS3	MSL
RC1608F4223CS	Samsung Electro-Mechanics	422 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Yes	1
CR0603-FX-4223ELF	Bourns Inc.	422 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Yes	1
RC0603FR-07422KL	YAGEO	422 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Yes	1
CRCW0603422KFKEA	Vishay Dale	422 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Yes	1
ERJ-3EKF4223V	Panasonic Electronic Components	422 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Yes	1
RMCF0603FT422K	Stackpole Electronics Inc	422 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Yes	1

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, confirming ongoing manufacturing support and regulatory alignment with RC1608F4223CS.

For general industrial and consumer applications, CR0603-FX-4223ELF (Bourns Inc.) and RC0603FR-07422KL (YAGEO) provide direct functional equivalence with identical moisture resistant specifications and established supply availability.

For automotive and mission-critical applications, CRCW0603422KFKEA (Vishay Dale), ERJ-3EKF4223V (Panasonic Electronic Components), and RMCF0603FT422K (Stackpole Electronics Inc) incorporate AEC-Q200 automotive qualification, indicating compliance with automotive reliability and quality standards. These parts are suitable for applications requiring enhanced qualification documentation.

Selection between direct and similar substitutes depends on application requirements and qualification mandates rather than electrical performance, as all parts satisfy identical core specifications.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-4223ELF replace RC1608F4223CS in any circuit?

A: CR0603-FX-4223ELF matches all electrical specifications (422 kOhms ±1%, 0.1W), mechanical dimensions (0603 package), temperature characteristics (±100ppm/°C, -55°C ~ 155°C), and regulatory compliance (ROHS3, MSL 1). Direct substitution is supported for applications not requiring automotive qualification.

Q: What is the difference between moisture resistant and automotive AEC-Q200 variants?

A: The RC1608F4223CS features moisture resistant thick film composition. Substitute parts CRCW0603422KFKEA, ERJ-3EKF4223V, and RMCF0603FT422K include automotive AEC-Q200 qualification in addition to moisture resistance. AEC-Q200 certification indicates compliance with automotive reliability testing and quality requirements. Selection depends on application classification.

Q: Are there dimensional differences between substitute parts?

A: All substitute parts use 0603 (1608 Metric) package format. Minor dimensional variations exist: RC1608F4223CS, CR0603-FX-4223ELF, and ERJ-3EKF4223V measure 0.063" L x 0.031" W (1.60mm x 0.80mm); CRCW0603422KFKEA and RMCF0603FT422K measure 0.061" L x 0.031" W (1.55mm x 0.80mm). Height specifications range from 0.020" to 0.022" (0.50mm to 0.55mm). These variations remain within standard 0603 package tolerances and do not affect PCB footprint compatibility.

Q: Which substitute offers the highest inventory availability?

A: RC0603FR-07422KL (YAGEO) maintains 92,415 pieces in stock, followed by RMCF0603FT422K (Stackpole Electronics Inc) with 108,893 pieces. Both represent substantial supply levels for production requirements.

Q: Are all substitutes ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching RC1608F4223CS regulatory status.

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