RC1608F4022CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F4022CS is a 40.2 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 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 ratings to ensure direct functional interchangeability in circuit designs.

Substiute Parts

RC1608F4022CS

Samsung Electro-MechanicsIn Stock: 1076RC1608F4022CS Datasheet

Current PartRFQ

CR0603-FX-4022ELF

Bourns Inc.In Stock: 177152CR0603-FX-4022ELF Datasheet

DirectRFQ

RC0603FR-0740K2L

YAGEOIn Stock: 9267RC0603FR-0740K2L Datasheet

DirectRFQ

AC0603FR-0740K2L

YAGEOIn Stock: 2314AC0603FR-0740K2L Datasheet

SimilarRFQ

AF0603FR-0740K2L

YAGEOIn Stock: 11055AF0603FR-0740K2L Datasheet

SimilarRFQ

CRCW060340K2FKEA

Vishay DaleIn Stock: 25247CRCW060340K2FKEA Datasheet

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CRCW060340K2FKTA

Vishay DaleIn Stock: 14244CRCW060340K2FKTA Datasheet

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ERJ-3EKF4022V

Panasonic Electronic ComponentsIn Stock: 130508ERJ-3EKF4022V Datasheet

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RMCF0603FG40K2

Stackpole Electronics IncIn Stock: 19381RMCF0603FG40K2 Datasheet

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RMCF0603FT40K2

Stackpole Electronics IncIn Stock: 71659RMCF0603FT40K2 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F4022CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters: Resistance value (40.2 kOhms), tolerance (±1%), and power rating (0.1W) must match exactly. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C to +155°C) establish thermal performance boundaries.

Mechanical Parameters: Package designation (0603 / 1608 Metric), physical dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm nominal), and seated height (0.022" / 0.55mm maximum) define form factor compatibility for PCB assembly and placement equipment.

Material & Composition: Thick film construction is the specified composition type.

Environmental & Compliance: RoHS3 compliance, MSL 1 rating, and REACH status establish regulatory and environmental suitability.

Substitute parts are classified into two categories:

Direct Equivalents: Parts meeting all electrical, mechanical, and compliance specifications with identical or compatible packaging formats (Tape & Reel or Cut Tape variants).

Similar Parts with Enhanced Features: Parts meeting all core specifications but incorporating additional certifications (AEC-Q200 automotive qualification) or enhanced features (anti-sulfur treatment) that provide functional equivalence with supplementary capabilities.

Parameter Comparison

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive):

CR0603-FX-4022ELF (Bourns Inc.) and RC0603FR-0740K2L (YAGEO) are direct functional equivalents to the RC1608F4022CS. Both maintain identical electrical specifications, RoHS3 compliance, and MSL 1 rating. Selection between these options depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel) and supply chain availability.

For Automotive Applications (AEC-Q200 Required):

AC0603FR-0740K2L, AF0603FR-0740K2L (YAGEO), ERJ-3EKF4022V (Panasonic), RMCF0603FG40K2, and RMCF0603FT40K2 (Stackpole) all meet AEC-Q200 automotive qualification standards while maintaining core electrical and mechanical specifications. AF0603FR-0740K2L provides additional anti-sulfur treatment for enhanced environmental resistance. These parts are suitable for automotive circuit designs requiring qualified component documentation.

Compliance Considerations:

CRCW060340K2FKTA (Vishay Dale) is RoHS non-compliant and REACH-affected. This part is not recommended for applications requiring RoHS3 compliance or REACH compliance verification.

Inventory & Availability:

ERJ-3EKF4022V (Panasonic) offers the highest inventory level (130,457 pcs), followed by CRCW060340K2FKEA (Vishay Dale, 25,165 pcs) and RMCF0603FT40K2 (Stackpole, 71,629 pcs). The original RC1608F4022CS (Samsung) maintains 979 pcs in stock.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F4022CS with any of the listed parts without circuit redesign?

A: Yes. All listed parts (except CRCW060340K2FKTA) meet identical electrical specifications (40.2 kΩ ±1%, 0.1W), temperature coefficients (±100ppm/°C), and operating temperature ranges (-55°C to +155°C). Physical dimensions and package form factors are equivalent, allowing direct PCB placement without modification.

Q: What is the difference between "Direct Equivalents" and "Similar Parts with Enhanced Features"?

A: Direct equivalents (CR0603-FX-4022ELF, RC0603FR-0740K2L) match all specifications without additional certifications. Similar parts with enhanced features (AC0603FR-0740K2L, AF0603FR-0740K2L, ERJ-3EKF4022V, RMCF0603FG40K2, RMCF0603FT40K2) include AEC-Q200 automotive qualification or anti-sulfur treatment. These enhancements do not affect electrical performance but provide additional qualification documentation for automotive or harsh-environment applications.

Q: Why is CRCW060340K2FKTA not recommended?

A: CRCW060340K2FKTA is RoHS non-compliant and REACH-affected, whereas the original RC1608F4022CS is ROHS3 compliant and REACH unaffected. Use of this part violates regulatory requirements for RoHS3-compliant designs and introduces supply chain risk due to REACH restrictions.

Q: Does packaging type (Tape & Reel vs. Cut Tape & Digi-Reel) affect electrical performance?

A: No. Packaging type affects only handling, storage, and assembly logistics. Electrical and mechanical specifications remain identical. Selection depends on manufacturing equipment compatibility and supply chain preferences.

Q: Are all substitute parts suitable for automotive applications?

A: Only parts with AEC-Q200 certification (AC0603FR-0740K2L, AF0603FR-0740K2L, ERJ-3EKF4022V, RMCF0603FG40K2, RMCF0603FT40K2) are qualified for automotive use. The original RC1608F4022CS and CR0603-FX-4022ELF, RC0603FR-0740K2L lack automotive qualification and should not be used in automotive designs requiring AEC-Q200 compliance.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture-control handling during storage or assembly. All listed parts carry MSL 1 rating, ensuring compatibility with standard manufacturing processes.

Q: Can I mix substitute parts from different manufacturers in the same design?

A: Yes. All substitute parts meet identical electrical, mechanical, and environmental specifications. Mixing parts from different manufacturers (Samsung, Bourns, YAGEO, Panasonic, Vishay, Stackpole) in the same circuit design presents no functional or compatibility issues. This approach provides supply chain flexibility and reduces single-source dependency.

Q: What is the temperature coefficient significance for this resistor?

A: The ±100ppm/°C temperature coefficient indicates the resistance value changes by approximately 0.01% per degree Celsius change in operating temperature. All substitute parts share this specification, ensuring equivalent thermal stability across the -55°C to +155°C operating range.