RC1608F513CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F513CS is a 51 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 to address supply chain flexibility, alternative sourcing options, and application-specific requirements such as automotive qualification or enhanced performance characteristics.

Substiute Parts

RC1608F513CS

Samsung Electro-MechanicsIn Stock: 982RC1608F513CS Datasheet

Current PartRFQ

CR0603-FX-5102ELF

Bourns Inc.In Stock: 126749CR0603-FX-5102ELF Datasheet

DirectRFQ

RC0603FR-0751KL

YAGEOIn Stock: 1466391RC0603FR-0751KL Datasheet

DirectRFQ

KTR03EZPF5102

Rohm SemiconductorIn Stock: 1104KTR03EZPF5102 Datasheet

UpgradeRFQ

AC0603FR-0751KL

YAGEOIn Stock: 67561AC0603FR-0751KL Datasheet

SimilarRFQ

CRCW060351K0FKEA

Vishay DaleIn Stock: 75117CRCW060351K0FKEA Datasheet

SimilarRFQ

ERJ-3EKF5102V

Panasonic Electronic ComponentsIn Stock: 638662ERJ-3EKF5102V Datasheet

SimilarRFQ

RMCF0603FT51K0

Stackpole Electronics IncIn Stock: 198654RMCF0603FT51K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F513CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 51 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 sensitivity level: 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant

All substitute parts listed meet these mandatory parameters. Substitute parts are further categorized by additional features:

Direct Substitutes maintain identical electrical and mechanical specifications with standard industrial-grade construction.

Upgrade Substitutes include automotive AEC-Q200 qualification, suitable for applications requiring enhanced reliability and automotive-grade performance.

Similar Substitutes include automotive AEC-Q200 qualification with minor dimensional variations within acceptable tolerances for 0603 package class.

Parameter Comparison

Engineering Selection Recommendations

For Standard Industrial Applications: CR0603-FX-5102ELF (Bourns Inc.) and RC0603FR-0751KL (YAGEO) are direct functional equivalents to the RC1608F513CS. Both maintain identical electrical specifications, moisture-resistant construction, and ROHS3 compliance. Selection between these options depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel) and supply chain availability.

For Automotive and High-Reliability Applications: KTR03EZPF5102 (Rohm Semiconductor), AC0603FR-0751KL (YAGEO), CRCW060351K0FKEA (Vishay Dale), ERJ-3EKF5102V (Panasonic Electronic Components), and RMCF0603FT51K0 (Stackpole Electronics Inc) all include AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability and enhanced performance validation. KTR03EZPF5102 includes additional high-voltage rating designation.

Packaging Considerations: Tape & Reel packaging is available from Samsung Electro-Mechanics (RC1608F513CS), Bourns Inc. (CR0603-FX-5102ELF), Rohm Semiconductor (KTR03EZPF5102), and Stackpole Electronics Inc. (RMCF0603FT51K0). Cut Tape & Digi-Reel packaging is available from YAGEO (RC0603FR-0751KL and AC0603FR-0751KL), Vishay Dale (CRCW060351K0FKEA), and Panasonic Electronic Components (ERJ-3EKF5102V).

Dimensional Compatibility: All parts conform to 0603 (1608 Metric) package specifications. Minor dimensional variations exist within standard tolerances: CRCW060351K0FKEA and RMCF0603FT51K0 have slightly reduced length (1.55mm versus 1.60mm standard) and CRCW060351K0FKEA has increased width (0.85mm versus 0.80mm standard). These variations remain within acceptable PCB footprint tolerances for 0603 package class.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F513CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts meet the mandatory electrical and mechanical parameters: 51 kOhms resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and ROHS3 compliance. Direct substitution is electrically and mechanically compatible.

Q: What is the difference between "Direct Substitutes" and "Similar Substitutes"?

A: Direct substitutes (CR0603-FX-5102ELF and RC0603FR-0751KL) maintain identical specifications without additional certifications. Similar substitutes include automotive AEC-Q200 qualification, which provides enhanced reliability validation for automotive and high-reliability applications. All parts meet the same core electrical specifications.

Q: Are automotive-qualified parts (AEC-Q200) backward compatible with standard industrial designs?

A: Yes. Automotive-qualified parts exceed standard industrial specifications and are fully compatible with standard industrial applications. AEC-Q200 parts can be used as direct replacements in non-automotive designs without modification.

Q: Does packaging type (Tape & Reel versus Cut Tape & Digi-Reel) affect electrical performance?

A: No. Packaging type affects only handling, storage, and assembly processes. Electrical and mechanical performance is identical regardless of packaging format.

Q: What are the dimensional tolerances for 0603 package substitution?

A: All listed parts conform to 0603 (1608 Metric) package class. Standard dimensions are 1.60mm length × 0.80mm width × 0.55mm height (maximum seated). CRCW060351K0FKEA (1.55mm × 0.85mm × 0.50mm) and RMCF0603FT51K0 (1.55mm × 0.80mm × 0.55mm) have minor variations within acceptable PCB footprint tolerances for this package class.

Q: Which substitute part has the highest inventory availability?

A: RC0603FR-0751KL (YAGEO) has the highest inventory with 1,466,303 pieces in stock, followed by ERJ-3EKF5102V (Panasonic Electronic Components) with 638,579 pieces.

Q: Can I use CRCW060351K0FKEA as a direct replacement if my PCB is designed for standard 0603 dimensions?

A: Yes. The dimensional variation (1.55mm length instead of 1.60mm, 0.85mm width instead of 0.80mm) remains within standard 0603 package class tolerances and is compatible with standard 0603 PCB footprints.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity limitations. The part can be stored indefinitely without moisture-related degradation and does not require special dry-pack handling or baking procedures prior to assembly.