RC1608F1780CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1780CS is a 178 Ohms ±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 construction and RoHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and packaging standards to ensure direct circuit board compatibility and functional interchangeability.

Substiute Parts

RC1608F1780CS

Samsung Electro-MechanicsIn Stock: 1145RC1608F1780CS Datasheet

Current PartRFQ

CR0603-FX-1780ELF

Bourns Inc.In Stock: 44286CR0603-FX-1780ELF Datasheet

DirectRFQ

RC0603FR-07178RL

YAGEOIn Stock: 306596RC0603FR-07178RL Datasheet

DirectRFQ

MCR03ERTF1780

Rohm SemiconductorIn Stock: 1204MCR03ERTF1780 Datasheet

UpgradeRFQ

AC0603FR-07178RL

YAGEOIn Stock: 11014AC0603FR-07178RL Datasheet

SimilarRFQ

CRCW0603178RFKEA

Vishay DaleIn Stock: 17914CRCW0603178RFKEA Datasheet

SimilarRFQ

CRCW0603178RFKTA

Vishay DaleIn Stock: 5938CRCW0603178RFKTA Datasheet

SimilarRFQ

ERJ-3EKF1780V

Panasonic Electronic ComponentsIn Stock: 64390ERJ-3EKF1780V Datasheet

SimilarRFQ

RMCF0603FT178R

Stackpole Electronics IncIn Stock: 47282RMCF0603FT178R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F1780CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 178 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Terminations: 2

Substitute parts are grouped into three categories based on product status and compliance certifications:

Direct Equivalents: Parts with identical electrical and mechanical specifications, matching RoHS and REACH compliance status, and Active product status.

Upgrade Substitutes: Parts meeting all electrical and mechanical requirements but with discontinued product status at distribution channels.

Similar Substitutes: Parts meeting all core electrical and mechanical specifications but featuring additional automotive AEC-Q200 qualification or alternative compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents):

CR0603-FX-1780ELF (Bourns Inc.) and RC0603FR-07178RL (YAGEO) are direct functional equivalents with Active product status, ROHS3 compliance, and identical electrical specifications. Both are available in standard Tape & Reel packaging and maintain full compatibility with the RC1608F1780CS in circuit applications.

Secondary Substitutes (Automotive-Qualified Alternatives):

AC0603FR-07178RL (YAGEO), CRCW0603178RFKEA (Vishay Dale), ERJ-3EKF1780V (Panasonic), and RMCF0603FT178R (Stackpole) meet all core electrical and mechanical specifications with the addition of AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability and are ROHS3 compliant with Active product status.

Compliance Consideration:

CRCW0603178RFKTA (Vishay Dale) meets all electrical and mechanical specifications but carries RoHS non-compliant and REACH Affected status. Selection of this part requires verification against end-application regulatory requirements.

Discontinued Product:

MCR03ERTF1780 (Rohm Semiconductor) is discontinued at DiGi Electronics distribution but remains ROHS3 compliant and electrically equivalent. Use only when existing inventory is available and long-term supply is not required.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F1780CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts match the mandatory electrical parameters (178 Ohms ±1%, 0.1W, ±100ppm/°C, -55°C ~ 155°C) and mechanical package (0603 / 1608 Metric). Direct pin-for-pin substitution is supported without circuit modification.

Q: What is the difference between Direct Equivalents and Similar Substitutes?

A: Direct Equivalents (CR0603-FX-1780ELF, RC0603FR-07178RL) have identical specifications and compliance status to the RC1608F1780CS. Similar Substitutes include automotive-qualified parts (AEC-Q200) that exceed base specifications. Both categories are electrically and mechanically interchangeable.

Q: Does the AEC-Q200 qualification on some substitute parts affect compatibility?

A: No. AEC-Q200 qualification is an additional quality standard that does not alter electrical or mechanical specifications. Parts with AEC-Q200 are fully compatible with non-automotive applications and provide enhanced reliability for automotive environments.

Q: Why is CRCW0603178RFKTA listed if it is RoHS non-compliant?

A: CRCW0603178RFKTA is included because it meets all electrical and mechanical specifications. However, its RoHS non-compliant status restricts use to applications and regions where RoHS compliance is not mandated. Verify regulatory requirements before selection.

Q: What packaging formats are available for these substitutes?

A: Most substitutes are supplied in Tape & Reel (TR) format for automated assembly. MCR03ERTF1780 is available in Cut Tape (CT) & Digi-Reel format. Confirm packaging compatibility with your assembly process before procurement.

Q: Are all substitute parts currently in stock?

A: Product availability varies by distributor and time. Refer to current inventory status from authorized suppliers. MCR03ERTF1780 is discontinued at DiGi Electronics; verify alternative distribution channels if this part is required.

Q: Can I use these substitutes in high-reliability or military applications?

A: Substitution suitability depends on application-specific qualification requirements. All listed parts meet standard commercial specifications. Verify compliance with MIL-PRF or other applicable military standards before use in high-reliability applications.