RC1608F1911CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1911CS is a 1.91 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain optimization requires alternative sourcing, or when design specifications permit selection from qualified alternative manufacturers meeting identical electrical and mechanical parameters.

Substiute Parts

RC1608F1911CS
Samsung Electro-MechanicsIn Stock: 913RC1608F1911CS Datasheet
RC1608F1911CS
Current Part
CR0603-FX-1911ELF
Bourns Inc.In Stock: 71290CR0603-FX-1911ELF Datasheet
CR0603-FX-1911ELF
Direct
RC0603FR-071K91L
YAGEOIn Stock: 389927RC0603FR-071K91L Datasheet
RC0603FR-071K91L
Direct
AC0603FR-071K91L
YAGEOIn Stock: 24332AC0603FR-071K91L Datasheet
AC0603FR-071K91L
Similar
CRCW06031K91FKEA
Vishay DaleIn Stock: 41530CRCW06031K91FKEA Datasheet
CRCW06031K91FKEA
Similar
ERJ-3EKF1911V
Panasonic Electronic ComponentsIn Stock: 108274ERJ-3EKF1911V Datasheet
ERJ-3EKF1911V
Similar
RMCF0603FT1K91
Stackpole Electronics IncIn Stock: 178595RMCF0603FT1K91 Datasheet
RMCF0603FT1K91
Similar

Key Parameters

Parameter Value
Resistance 1.91 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
Moisture Resistance Yes
RoHS Status ROHS3 Compliant
MSL Rating 1 (Unlimited)
Number of Terminations 2

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F1911CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

  • Resistance value: 1.91 kOhms
  • 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
  • Moisture resistance: Required
  • RoHS compliance: ROHS3
  • MSL rating: 1 (Unlimited)
  • Termination count: 2

All substitute parts listed below meet these mandatory parameters. Substitute parts are categorized as Direct Manufacturer Equivalents or Similar Parts based on additional certifications and packaging configurations. Direct equivalents share identical packaging specifications (Tape & Reel). Similar parts may include automotive-grade AEC-Q200 certification or alternative packaging formats (Cut Tape & Digi-Reel) while maintaining full electrical and mechanical compatibility.

Parameter Comparison

Manufacturer Part Number Manufacturer Resistance Tolerance Power (W) Package Temp Coeff (ppm/°C) Operating Temp (°C) Packaging Type AEC-Q200 RoHS3 MSL
RC1608F1911CS Samsung Electro-Mechanics 1.91 kΩ ±1% 0.1 0603 ±100 -55 ~ 155 Tape & Reel No Yes 1
CR0603-FX-1911ELF Bourns Inc. 1.91 kΩ ±1% 0.1 0603 ±100 -55 ~ 155 Tape & Reel No Yes 1
RC0603FR-071K91L YAGEO 1.91 kΩ ±1% 0.1 0603 ±100 -55 ~ 155 Tape & Reel No Yes 1
AC0603FR-071K91L YAGEO 1.91 kΩ ±1% 0.1 0603 ±100 -55 ~ 155 Tape & Reel Yes Yes 1
CRCW06031K91FKEA Vishay Dale 1.91 kΩ ±1% 0.1 0603 ±100 -55 ~ 155 Cut Tape & Digi-Reel Yes Yes 1
ERJ-3EKF1911V Panasonic Electronic Components 1.91 kΩ ±1% 0.1 0603 ±100 -55 ~ 155 Cut Tape & Digi-Reel Yes Yes 1
RMCF0603FT1K91 Stackpole Electronics Inc 1.91 kΩ ±1% 0.1 0603 ±100 -55 ~ 155 Tape & Reel Yes Yes 1

Engineering Selection Recommendations

Direct Manufacturer Equivalents (Identical Specifications and Packaging):

CR0603-FX-1911ELF (Bourns Inc.) and RC0603FR-071K91L (YAGEO) are direct equivalents to the RC1608F1911CS. Both parts share identical electrical parameters, package configuration, and Tape & Reel packaging. These parts are suitable for direct substitution in applications where the primary part is unavailable.

Similar Parts with Enhanced Certifications:

AC0603FR-071K91L (YAGEO), CRCW06031K91FKEA (Vishay Dale), ERJ-3EKF1911V (Panasonic Electronic Components), and RMCF0603FT1K91 (Stackpole Electronics Inc) meet all mandatory electrical and mechanical parameters while carrying AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability or when design specifications permit automotive-qualified components.

Packaging Considerations:

CR0603-FX-1911ELF, RC0603FR-071K91L, and RMCF0603FT1K91 are supplied in Tape & Reel packaging, matching the primary part format. CRCW06031K91FKEA and ERJ-3EKF1911V are supplied in Cut Tape & Digi-Reel format, which may require alternative handling procedures in automated assembly environments.

Product Status and Compliance:

All listed substitute parts maintain Active product status and ROHS3 compliance. All parts carry MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard storage and handling procedures.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F1911CS with any of the listed parts without design changes?

A: Yes. All listed substitute parts meet identical electrical specifications (1.91 kOhms ±1%, 0.1W, ±100ppm/°C, -55°C to 155°C operating range) and package format (0603 / 1608 Metric). Direct substitution is permissible at the component level. Verify that your assembly process accommodates the packaging format (Tape & Reel versus Cut Tape & Digi-Reel) of the selected substitute.

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

A: Direct Manufacturer Equivalents (CR0603-FX-1911ELF and RC0603FR-071K91L) match all specifications and packaging of the primary part. Similar Parts (AC0603FR-071K91L, CRCW06031K91FKEA, ERJ-3EKF1911V, RMCF0603FT1K91) include additional AEC-Q200 automotive certification or alternative packaging formats while maintaining full electrical and mechanical compatibility.

Q: Are automotive-qualified parts (AEC-Q200) suitable for non-automotive applications?

A: Yes. AEC-Q200 certification indicates enhanced reliability testing and qualification. Parts carrying this certification are suitable for any application requiring the specified electrical and mechanical parameters, including non-automotive applications.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Tape & Reel versus Cut Tape & Digi-Reel) affects only handling, storage, and assembly procedures. Electrical performance and component specifications remain identical regardless of packaging format.

Q: What is MSL 1 (Unlimited) moisture sensitivity rating?

A: MSL 1 indicates the lowest moisture sensitivity level. Components with this rating require no special moisture control during storage or handling and have unlimited shelf life under standard conditions.

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

A: Yes. All listed substitute parts meet identical electrical and mechanical specifications. Mixing parts from different manufacturers in the same batch is permissible from an engineering standpoint. Verify that your quality assurance and traceability procedures accommodate multi-source component procurement.

Q: What should I verify before implementing a substitute part?

A: Confirm that the substitute part meets your application's electrical requirements (resistance value, tolerance, power rating, temperature range) and mechanical requirements (package format, termination type). Verify that your assembly process is compatible with the packaging format of the selected substitute. Confirm that any additional certifications (such as AEC-Q200) are either required or acceptable for your application.

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