RC1608F125CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F125CS is a 1.2 MOhms ±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 characteristics and ROHS3 compliance. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory optimization, or specific feature requirements such as automotive qualification or enhanced temperature coefficient specifications.

Substiute Parts

RC1608F125CS

Samsung Electro-MechanicsIn Stock: 2611RC1608F125CS Datasheet

Current PartRFQ

RC0603FR-071M2L

YAGEOIn Stock: 550248RC0603FR-071M2L Datasheet

DirectRFQ

KTR03EZPF1204

Rohm SemiconductorIn Stock: 60225KTR03EZPF1204 Datasheet

UpgradeRFQ

RMCF0603FT1M20

Stackpole Electronics IncIn Stock: 19466RMCF0603FT1M20 Datasheet

UpgradeRFQ

AC0603FR-071M2L

YAGEOIn Stock: 6440AC0603FR-071M2L Datasheet

SimilarRFQ

CRCW06031M20FKEA

Vishay DaleIn Stock: 17940CRCW06031M20FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F125CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1.2 MOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package / Case: 0603 (1608 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS compliance: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Temperature coefficient: ±100ppm/°C to ±200ppm/°C
• Physical dimensions: Minor variations within 0603 package specification
• Packaging format: Cut Tape (CT) or Tape & Reel (TR)
• Manufacturer: Different qualified manufacturers
• Additional features: Automotive AEC-Q200 qualification (enhancement, not requirement)

Substitute parts are grouped as Direct, Upgrade, or Similar based on feature alignment with the original specification.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent: RC0603FR-071M2L (YAGEO) is a direct functional equivalent to RC1608F125CS. Both components share identical electrical specifications, temperature coefficient, and moisture resistance characteristics. This substitute is suitable for applications requiring standard industrial-grade thick film resistors without automotive qualification requirements.

Upgrade Options: KTR03EZPF1204 (Rohm Semiconductor), RMCF0603FT1M20 (Stackpole Electronics), AC0603FR-071M2L (YAGEO), and CRCW06031M20FKEA (Vishay Dale) are classified as upgrade substitutes due to AEC-Q200 automotive qualification. These components meet all electrical and mechanical parameters of the original part while providing enhanced reliability certification for automotive applications. Selection among these upgrades depends on packaging preference and inventory availability.

RMCF0603FT1M20 exhibits a temperature coefficient of ±200ppm/°C, which is within allowable variation but represents a relaxed specification compared to the original ±100ppm/°C. This component is suitable for applications where tighter temperature stability is not critical.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical operating temperature range (-55°C ~ 155°C), ensuring compatibility with existing design requirements and environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-071M2L replace RC1608F125CS in any application? A: RC0603FR-071M2L is a direct equivalent with identical electrical and mechanical specifications. It is suitable for replacement in applications where automotive qualification is not required. Packaging format differs (Tape & Reel vs. Cut Tape), which may affect procurement and assembly processes.

Q: What is the difference between standard and AEC-Q200 qualified substitutes? A: AEC-Q200 qualification (KTR03EZPF1204, RMCF0603FT1M20, AC0603FR-071M2L, CRCW06031M20FKEA) indicates compliance with automotive reliability standards. These components are suitable for automotive and high-reliability applications. The original RC1608F125CS does not carry this certification but remains suitable for industrial applications.

Q: Is RMCF0603FT1M20 compatible despite its ±200ppm/°C temperature coefficient? A: RMCF0603FT1M20 meets all mandatory parameters including resistance, tolerance, power rating, and package specification. The temperature coefficient of ±200ppm/°C is within allowable variation. Compatibility depends on application-specific temperature stability requirements. For applications requiring ±100ppm/°C performance, direct equivalents or other upgrade options are preferred.

Q: What packaging formats are available among substitute parts? A: RC1608F125CS is supplied in Cut Tape (CT) format. Direct equivalent RC0603FR-071M2L and upgrade options KTR03EZPF1204, RMCF0603FT1M20, and AC0603FR-071M2L are supplied in Tape & Reel (TR) format. CRCW06031M20FKEA is available in both Cut Tape (CT) and Digi-Reel® formats. Packaging selection affects procurement, storage, and assembly compatibility.

Q: Are all substitute parts ROHS3 compliant? A: All listed substitute parts (RC0603FR-071M2L, KTR03EZPF1204, RMCF0603FT1M20, AC0603FR-071M2L, CRCW06031M20FKEA) are ROHS3 compliant with MSL Level 1 rating, matching the original RC1608F125CS specification.

Q: Which substitute offers the best inventory availability? A: RC0603FR-071M2L (YAGEO) has the highest inventory level at 550,157 pieces. CRCW06031M20FKEA (Vishay) has 17,837 pieces, RMCF0603FT1M20 (Stackpole) has 19,371 pieces, and AC0603FR-071M2L (YAGEO) has 6,346 pieces available.