RC1608F115CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F115CS is a 1.1 MOhm ±1% thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is rated for 0.1W (1/10W) power dissipation with moisture-resistant construction and operates across -55°C to 155°C temperature range. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when Samsung Electro-Mechanics components face supply constraints, when design requirements mandate automotive-grade qualification, or when alternative packaging formats are required for manufacturing optimization.

Substiute Parts

RC1608F115CS

Samsung Electro-MechanicsIn Stock: 1143RC1608F115CS Datasheet

Current PartRFQ

RC0603FR-071M1L

YAGEOIn Stock: 46417RC0603FR-071M1L Datasheet

DirectRFQ

KTR03EZPF1104

Rohm SemiconductorIn Stock: 8397KTR03EZPF1104 Datasheet

UpgradeRFQ

RMCF0603FT1M10

Stackpole Electronics IncIn Stock: 18000RMCF0603FT1M10 Datasheet

UpgradeRFQ

AC0603FR-071M1L

YAGEOIn Stock: 6961AC0603FR-071M1L Datasheet

SimilarRFQ

CRCW06031M10FKEA

Vishay DaleIn Stock: 24320CRCW06031M10FKEA Datasheet

SimilarRFQ

ERJ-3EKF1104V

Panasonic Electronic ComponentsIn Stock: 10377ERJ-3EKF1104V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC1608F115CS is based on strict electrical and mechanical parameter matching within the 0603 thick film resistor category. All substitute parts must maintain identical resistance value (1.1 MOhms), tolerance (±1%), power rating (0.1W), package format (0603), and composition (thick film). Operating temperature range (-55°C to 155°C) and RoHS3 compliance are non-negotiable requirements.

Substitute parts are categorized as follows:

Direct Substitutes maintain all electrical and mechanical parameters with identical or superior specifications. These parts are pin-compatible and functionally equivalent with no design modifications required.

Upgrade Substitutes provide enhanced features such as automotive AEC-Q200 qualification while maintaining core electrical parameters. These parts are suitable for applications requiring higher reliability standards or automotive-grade components.

Similar Substitutes meet all critical electrical and mechanical requirements but may include additional certifications or feature enhancements. These parts are functionally compatible with the original specification.

The following parameters determine substitution eligibility: resistance value, tolerance, power rating, package type, composition, operating temperature range, and RoHS compliance status.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required):

RC0603FR-071M1L (YAGEO) serves as the primary direct substitute. This part maintains identical electrical specifications, package format, and operating parameters. Both components are Active status products with equivalent moisture resistance and unlimited MSL rating. The YAGEO RC series provides 46,323 units in current inventory, ensuring supply continuity.

For Automotive Applications or Enhanced Reliability:

KTR03EZPF1104 (Rohm Semiconductor), RMCF0603FT1M10 (Stackpole Electronics Inc), AC0603FR-071M1L (YAGEO), and CRCW06031M10FKEA (Vishay Dale) all carry AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade component certification. KTR03EZPF1104 includes high-voltage features in addition to AEC-Q200 rating. All four upgrade substitutes maintain Active product status and full electrical parameter compatibility.

Consideration for Obsolete Components:

ERJ-3EKF1104V (Panasonic Electronic Components) carries Obsolete product status. While this part meets all electrical and mechanical specifications with AEC-Q200 qualification, its obsolete designation indicates limited future availability. This part should be selected only when existing inventory must be consumed or when design lock-in to this specific component is required.

Temperature Coefficient Variance:

RMCF0603FT1M10 specifies ±200ppm/°C temperature coefficient compared to ±100ppm/°C for all other substitutes. This variance affects long-term stability in temperature-sensitive applications. Applications requiring tighter temperature stability should prioritize parts with ±100ppm/°C specification.

Physical Dimension Variations:

RMCF0603FT1M10 and CRCW06031M10FKEA exhibit minor dimensional variations within the 0603 package specification. RMCF0603FT1M10 measures 0.061" L x 0.031" W (1.55mm x 0.80mm) with 0.022" maximum seated height. CRCW06031M10FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" maximum seated height. These variations remain within 0603 package tolerance and do not affect PCB footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-071M1L directly replace RC1608F115CS without PCB modifications?

A: Yes. RC0603FR-071M1L is a direct substitute with identical 0603 package format, 1.1 MOhm resistance, ±1% tolerance, and 0.1W power rating. No PCB layout changes are required. Both components share identical footprint specifications and electrical performance characteristics.

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

A: Automotive-grade substitutes (KTR03EZPF1104, RMCF0603FT1M10, AC0603FR-071M1L, CRCW06031M10FKEA, ERJ-3EKF1104V) carry AEC-Q200 qualification, indicating compliance with automotive reliability and testing standards. Standard substitutes (RC0603FR-071M1L) do not carry automotive certification. Automotive-grade parts are required for automotive applications but are functionally compatible with non-automotive designs.

Q: Why is ERJ-3EKF1104V marked as Obsolete?

A: Obsolete status indicates that Panasonic Electronic Components has discontinued active production and support for this part. While current inventory exists (10,299 units), future availability cannot be guaranteed. New designs should avoid this part; existing designs using this component should plan migration to Active status alternatives.

Q: Are there any performance differences between the substitute parts?

A: All substitutes meet the core electrical specification (1.1 MOhm ±1%, 0.1W, 0603 package). The primary difference is temperature coefficient: RMCF0603FT1M10 specifies ±200ppm/°C while all others specify ±100ppm/°C. For applications requiring tight temperature stability, select parts with ±100ppm/°C specification. Automotive-grade parts include AEC-Q200 qualification; standard parts do not.

Q: Can I use a substitute with different packaging format (Tape & Reel vs. Cut Tape)?

A: Packaging format (Tape & Reel, Cut Tape, Digi-Reel) affects manufacturing and handling but does not impact electrical or mechanical compatibility. RC0603FR-071M1L is available in Cut Tape & Digi-Reel format while RC1608F115CS is supplied in Tape & Reel format. Select packaging based on manufacturing process requirements; electrical performance is identical.

Q: What inventory levels should I consider for supply chain planning?

A: RC0603FR-071M1L offers the highest current inventory (46,323 units), providing maximum supply security. CRCW06031M10FKEA (24,234 units) and RMCF0603FT1M10 (17,940 units) provide substantial backup inventory. KTR03EZPF1104 (8,289 units) and AC0603FR-071M1L (6,853 units) offer moderate availability. ERJ-3EKF1104V (10,299 units) has limited future availability due to obsolete status.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitutes maintain ROHS3 compliance, matching the original RC1608F115CS specification. All parts are also REACH Unaffected and carry EAR99 ECCN classification with identical HTSUS code (8533.21.0030).

Q: What is MSL 1 (Unlimited) and why is it important?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitutes carry MSL 1 rating, eliminating moisture sensitivity concerns and simplifying supply chain management compared to higher MSL-rated components.