RC1608F4420CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F4420CS is a 442 Ohms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). The RC1608F4420CS serves as a precision resistive element in general-purpose electronic applications requiring stable resistance values across extended temperature ranges. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical package dimensions, and compliance certifications to ensure direct interchangeability in circuit designs.

Key Parameters

Parameter	Value
Resistance	442 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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Packaging Type	Tape & Reel (TR)

Substitute Part Grouping Explanation

Substitute parts for the RC1608F4420CS are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalents share identical electrical specifications, package dimensions, and general-purpose application suitability without automotive-grade certifications:

CR0603-FX-4420ELF (Bourns Inc.)
RC0603FR-07442RL (YAGEO)

Automotive-Grade Equivalents meet all electrical and mechanical specifications of the main part and additionally carry AEC-Q200 automotive qualification:

AC0603FR-07442RL (YAGEO)
CRCW0603442RFKEA (Vishay Dale)
ERJ-3EKF4420V (Panasonic Electronic Components)
RMCF0603FT442R (Stackpole Electronics Inc)

Substitution eligibility is determined by the following parameters: Resistance value (442 Ohms), Tolerance (±1%), Power rating (0.1W), Package type (0603 / 1608 Metric), Composition (Thick Film), Temperature coefficient (±100ppm/°C), Operating temperature range (-55°C ~ 155°C), Moisture sensitivity level (MSL 1), and RoHS3 compliance status. All listed substitutes meet these criteria and are suitable for direct replacement in circuit applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Composition	MSL	RoHS3	AEC-Q200
RC1608F4420CS	Samsung Electro-Mechanics	442 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	Yes	No
CR0603-FX-4420ELF	Bourns Inc.	442 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	Yes	No
RC0603FR-07442RL	YAGEO	442 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	Yes	No
AC0603FR-07442RL	YAGEO	442 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	Yes	Yes
CRCW0603442RFKEA	Vishay Dale	442 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	Yes	Yes
ERJ-3EKF4420V	Panasonic Electronic Components	442 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	Yes	Yes
RMCF0603FT442R	Stackpole Electronics Inc	442 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	Yes	Yes

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and full RoHS3 compliance, ensuring regulatory conformance for current manufacturing and deployment. The RC1608F4420CS, CR0603-FX-4420ELF, and RC0603FR-07442RL are suitable for general-purpose applications where automotive qualification is not required. The AC0603FR-07442RL, CRCW0603442RFKEA, ERJ-3EKF4420V, and RMCF0603FT442R carry AEC-Q200 automotive-grade certification and are appropriate for automotive and mission-critical applications requiring enhanced reliability documentation and qualification traceability. Selection between general-purpose and automotive-grade variants depends on application requirements and end-use industry specifications. All parts share identical electrical performance parameters and 0603 package footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC1608F4420CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts share identical resistance value (442 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Direct substitution is electrically and mechanically compatible without circuit modification.

Q: What is the difference between general-purpose and automotive-grade substitutes?

A: General-purpose substitutes (CR0603-FX-4420ELF, RC0603FR-07442RL) meet standard RoHS3 compliance. Automotive-grade substitutes (AC0603FR-07442RL, CRCW0603442RFKEA, ERJ-3EKF4420V, RMCF0603FT442R) additionally carry AEC-Q200 certification, indicating qualification for automotive applications with enhanced reliability and traceability requirements. Electrical performance is identical.

Q: Are there dimensional differences between substitute parts?

A: All parts conform to the 0603 (1608 Metric) package standard. Minor dimensional variations exist within tolerance: most parts measure 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" (0.55mm) maximum seated height. CRCW0603442RFKEA and RMCF0603FT442R have slightly different length specifications (0.061" / 1.55mm) but remain within 0603 package compatibility.

Q: Which substitute offers the highest inventory availability?

A: RC0603FR-07442RL (YAGEO) has 77,087 pieces in stock, followed by ERJ-3EKF4420V (Panasonic) with 28,894 pieces and CR0603-FX-4420ELF (Bourns) with 25,714 pieces.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity), matching the compliance status of the RC1608F4420CS.

Q: Can automotive-grade parts be used in non-automotive applications?

A: Yes. Automotive-grade parts (AEC-Q200 certified) exceed general-purpose requirements and are fully compatible with non-automotive applications. They provide additional reliability margin and qualification documentation.

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