RC1608F123CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F123CS is a 12 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. The part is supplied in Tape & Reel packaging with 917 pieces currently in stock.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, dimensions, termination count), and environmental ratings (operating temperature range, moisture sensitivity level, compliance certifications).

Substiute Parts

RC1608F123CS

Samsung Electro-MechanicsIn Stock: 962RC1608F123CS Datasheet

Current PartRFQ

CR0603-FX-1202ELF

Bourns Inc.In Stock: 73885CR0603-FX-1202ELF Datasheet

DirectRFQ

CRG0603F12K

TE Connectivity Passive ProductIn Stock: 44242CRG0603F12K Datasheet

DirectRFQ

RC0603FR-0712KL

YAGEOIn Stock: 107827RC0603FR-0712KL Datasheet

DirectRFQ

AC0603FR-0712KL

YAGEOIn Stock: 115830AC0603FR-0712KL Datasheet

SimilarRFQ

AF0603FR-0712KL

YAGEOIn Stock: 9874AF0603FR-0712KL Datasheet

SimilarRFQ

CRCW060312K0FKEA

Vishay DaleIn Stock: 75935CRCW060312K0FKEA Datasheet

SimilarRFQ

CRCW060312K0FKTA

Vishay DaleIn Stock: 10272CRCW060312K0FKTA Datasheet

SimilarRFQ

ERJ-3EKF1202V

Panasonic Electronic ComponentsIn Stock: 357081ERJ-3EKF1202V Datasheet

SimilarRFQ

RMCF0603FG12K0

Stackpole Electronics IncIn Stock: 5931RMCF0603FG12K0 Datasheet

SimilarRFQ

RMCF0603FT12K0

Stackpole Electronics IncIn Stock: 167945RMCF0603FT12K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on substitution relationship type:

Direct Substitutes share identical electrical and mechanical specifications with the main part RC1608F123CS:

• Resistance: 12 kOhms
• Tolerance: ±1%
• Power Rating: 0.1W
• Package: 0603 (1608 Metric)
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature: -55°C ~ 155°C
• MSL: 1 (Unlimited)
• RoHS3 Compliance

Similar Substitutes meet all core electrical and mechanical requirements but include additional features or certifications (such as Automotive AEC-Q200 rating or Anti-Sulfur construction) that extend application scope without compromising base functionality.

Parameter Comparison

Engineering Selection Recommendations

For Standard Industrial Applications:

CR0603-FX-1202ELF (Bourns Inc.) and RC0603FR-0712KL (YAGEO) are direct functional equivalents with identical electrical specifications and moisture-resistant construction. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these and the main part RC1608F123CS depends on supply chain availability and procurement preferences.

For Automotive Applications:

AC0603FR-0712KL, AF0603FR-0712KL (YAGEO), CRCW060312K0FKEA (Vishay Dale), ERJ-3EKF1202V (Panasonic), RMCF0603FG12K0, and RMCF0603FT12K0 (Stackpole) all carry Automotive AEC-Q200 certification. These parts are suitable for automotive-grade circuit designs while maintaining identical core electrical parameters. AF0603FR-0712KL additionally includes Anti-Sulfur construction.

Compliance Consideration:

CRCW060312K0FKTA (Vishay Dale) is RoHS non-compliant and REACH Affected. This part is not recommended for applications requiring ROHS3 compliance.

Packaging Consideration:

CRG0603F12K (TE Connectivity) lacks documented moisture-resistant features in the provided specifications, though all other parameters match. This part is suitable for dry-environment applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F123CS with any of the listed parts?

A: Direct substitution is possible with CR0603-FX-1202ELF, CRG0603F12K, and RC0603FR-0712KL, which share identical electrical and mechanical specifications. Automotive-rated variants (AC0603FR-0712KL, AF0603FR-0712KL, CRCW060312K0FKEA, ERJ-3EKF1202V, RMCF0603FG12K0, RMCF0603FT12K0) are also compatible but include additional certifications. CRCW060312K0FKTA should not be used due to RoHS non-compliance.

Q: What is the significance of the 0603 package designation?

A: The 0603 package (1608 Metric) defines the physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm). All listed substitutes use this identical package, ensuring mechanical compatibility with PCB footprints designed for the main part. Minor dimensional variations exist (e.g., CRCW060312K0FKEA at 0.061" L x 0.033" W), but these remain within standard 0603 tolerance ranges.

Q: Are automotive-rated parts suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 certified parts (AC0603FR-0712KL, AF0603FR-0712KL, CRCW060312K0FKEA, ERJ-3EKF1202V, RMCF0603FG12K0, RMCF0603FT12K0) meet or exceed industrial specifications and are fully compatible with standard industrial circuits. The additional certification represents enhanced reliability and environmental stress testing.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture-control handling during storage or assembly. All listed parts share this MSL rating.

Q: Why do some parts list different dimensions despite the same 0603 package?

A: Dimensional variations within the 0603 package standard reflect manufacturer-specific tolerances. For example, CRCW060312K0FKEA measures 0.061" L x 0.033" W versus the standard 0.063" L x 0.031" W. These variations remain within acceptable PCB footprint tolerances and do not affect electrical performance or mechanical fit.

Q: Is the temperature coefficient ±100ppm/°C critical for substitution?

A: Yes. All listed substitutes maintain the identical ±100ppm/°C temperature coefficient and -55°C ~ 155°C operating range as the main part. This ensures consistent performance across the full temperature spectrum in both industrial and automotive environments.