RC1608F1404CS Equivalent & Substitute Parts

Part Overview

The RC1608F1404CS is a 1.4 MOhm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This surface mount device is rated for 0.1W (1/10W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture-resistant construction and is RoHS3 compliant with MSL 1 rating. The part is currently in active production status with 843 pieces available in stock.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to supply constraints, procurement lead times, or specific application requirements such as automotive qualification or enhanced temperature coefficient specifications.

Substiute Parts

RC1608F1404CS

Samsung Electro-MechanicsIn Stock: 936RC1608F1404CS Datasheet

Current PartRFQ

RC0603FR-071M4L

YAGEOIn Stock: 26973RC0603FR-071M4L Datasheet

DirectRFQ

RMCF0603FT1M40

Stackpole Electronics IncIn Stock: 32166RMCF0603FT1M40 Datasheet

UpgradeRFQ

CRCW06031M40FKEA

Vishay DaleIn Stock: 38742CRCW06031M40FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F1404CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1.4 MOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C to 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS3 compliance

Allowable Variation Parameters:

• Temperature coefficient (±100ppm/°C to ±200ppm/°C)
• Physical dimensions within 0603 package tolerance
• Manufacturer series designation
• Additional certifications (AEC-Q200 automotive qualification)

All identified substitute parts meet or exceed the mandatory parameter requirements. Substitutes with automotive AEC-Q200 qualification represent enhanced reliability options suitable for automotive and high-reliability applications.

Parameter Comparison

Engineering Selection Recommendations

RC0603FR-071M4L (YAGEO) is a direct functional equivalent with identical electrical specifications and temperature coefficient performance. This substitute maintains all critical parameters of the original Samsung part and is suitable for general industrial applications requiring standard reliability.

RMCF0603FT1M40 (Stackpole Electronics Inc) is an upgrade option featuring AEC-Q200 automotive qualification. This part is appropriate for automotive applications, industrial equipment subject to stringent reliability requirements, or designs requiring enhanced qualification documentation. The temperature coefficient specification of ±200ppm/°C remains within acceptable tolerance for most circuit applications while meeting automotive standards.

CRCW06031M40FKEA (Vishay Dale) is an upgrade option featuring AEC-Q200 automotive qualification with temperature coefficient matching the original specification at ±100ppm/°C. This substitute provides the highest specification alignment with automotive qualification and is suitable for automotive, medical device, and aerospace applications requiring documented component reliability.

All three substitute parts are active production items with superior inventory availability compared to the original Samsung part, supporting extended procurement windows and supply chain resilience.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-071M4L be used as a direct replacement for RC1608F1404CS?

A: Yes. RC0603FR-071M4L meets all mandatory electrical and mechanical parameters including resistance value, tolerance, power rating, package format, operating temperature range, and compliance certifications. The parts are functionally interchangeable.

Q: What is the difference between the automotive-qualified substitutes and the standard equivalent?

A: RMCF0603FT1M40 and CRCW06031M40FKEA carry AEC-Q200 automotive qualification, indicating compliance with automotive industry reliability and testing standards. These parts are suitable for automotive applications and high-reliability designs. RC0603FR-071M4L lacks automotive qualification and is appropriate for general industrial applications.

Q: Does the temperature coefficient difference between ±100ppm/°C and ±200ppm/°C affect circuit performance?

A: Temperature coefficient determines resistance change over temperature. RMCF0603FT1M40 exhibits ±200ppm/°C while RC1608F1404CS, RC0603FR-071M4L, and CRCW06031M40FKEA exhibit ±100ppm/°C. Selection depends on circuit tolerance requirements. For applications with tight resistance stability specifications across temperature, the ±100ppm/°C options are preferred.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All substitute parts are supplied in Tape & Reel (TR) packaging in 0603 (1608 Metric) package format, ensuring compatibility with standard surface mount assembly processes.

Q: Which substitute part offers the best inventory availability?

A: CRCW06031M40FKEA (Vishay Dale) offers the highest inventory availability at 38,651 pieces, followed by RMCF0603FT1M40 (Stackpole) at 32,112 pieces, and RC0603FR-071M4L (YAGEO) at 26,937 pieces.

Q: Are all parts RoHS3 compliant?

A: Yes. All substitute parts and the original RC1608F1404CS are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, meeting environmental and regulatory requirements for commercial and industrial applications.