RC1608F683CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F683CS is a 68 kOhms ±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 construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct interchangeability in circuit applications.

Substiute Parts

RC1608F683CS

Samsung Electro-MechanicsIn Stock: 892RC1608F683CS Datasheet

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CR0603-FX-6802ELF

Bourns Inc.In Stock: 33054CR0603-FX-6802ELF Datasheet

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CRG0603F68K

TE Connectivity Passive ProductIn Stock: 20778CRG0603F68K Datasheet

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RC0603FR-0768KL

YAGEOIn Stock: 5159RC0603FR-0768KL Datasheet

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KTR03EZPF6802

Rohm SemiconductorIn Stock: 4855KTR03EZPF6802 Datasheet

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AC0603FR-0768KL

YAGEOIn Stock: 200265AC0603FR-0768KL Datasheet

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AF0603FR-0768KL

YAGEOIn Stock: 10920AF0603FR-0768KL Datasheet

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CRCW060368K0FKEA

Vishay DaleIn Stock: 39591CRCW060368K0FKEA Datasheet

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ERJ-3EKF6802V

Panasonic Electronic ComponentsIn Stock: 11388ERJ-3EKF6802V Datasheet

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RMCF0603FT68K0

Stackpole Electronics IncIn Stock: 51860RMCF0603FT68K0 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F683CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 68 kOhms (exact match)
• Tolerance: ±1% (exact match)
• Power rating: 0.1W / 1/10W (exact match)
• Temperature coefficient: ±100ppm/°C (exact match)
• Operating temperature range: -55°C ~ 155°C (exact match)

Mechanical Equivalence Requirements:

• Package type: 0603 (1608 Metric) (exact match)
• Composition: Thick Film (exact match)
• Number of terminations: 2 (exact match)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match)

Compliance Requirements:

• RoHS Status: ROHS3 Compliant (minimum requirement)
• ECCN: EAR99 (export classification match)

All substitute parts listed below meet these criteria. Packaging format (Tape & Reel or Cut Tape) and specific feature enhancements (moisture resistance, automotive qualification) do not prevent substitution but may offer additional benefits for specific applications.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are electrically and mechanically equivalent to the RC1608F683CS and maintain full ROHS3 compliance. Selection among these alternatives is based on the following factors:

Direct Substitutes (Identical Specifications): CR0603-FX-6802ELF, CRG0603F68K, and RC0603FR-0768KL provide direct substitution with no additional features or certifications beyond the base specification.

Enhanced Specification Options: KTR03EZPF6802, AC0603FR-0768KL, AF0603FR-0768KL, CRCW060368K0FKEA, ERJ-3EKF6802V, and RMCF0603FT68K0 include Automotive AEC-Q200 qualification. These parts are suitable for applications requiring automotive-grade reliability and are fully backward compatible with standard industrial applications.

Packaging Considerations: Tape & Reel packaging is suitable for high-volume automated assembly. Cut Tape & Digi-Reel packaging accommodates lower-volume or mixed-component pick-and-place operations. Both packaging formats contain electrically identical components.

Inventory Availability: Selection may be influenced by stock levels. RMCF0603FT68K0 (51,800 pcs), AC0603FR-0768KL (200,220 pcs), and CRCW060368K0FKEA (39,525 pcs) offer highest availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F683CS with any of the listed parts without circuit redesign?

A: Yes. All listed parts meet identical electrical and mechanical specifications: 68 kOhms ±1%, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Direct substitution is valid for all applications where the original part was specified.

Q: What is the difference between standard and AEC-Q200 qualified versions?

A: AEC-Q200 qualification indicates the part meets automotive industry reliability standards. Parts with this certification (KTR03EZPF6802, AC0603FR-0768KL, AF0603FR-0768KL, CRCW060368K0FKEA, ERJ-3EKF6802V, RMCF0603FT68K0) are suitable for automotive applications and are fully compatible with non-automotive designs. The electrical and mechanical specifications remain identical.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance?

A: No. Packaging format affects only handling and assembly logistics. The resistor component itself is electrically identical regardless of packaging. Selection should be based on assembly equipment compatibility and order quantity requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the original RC1608F683CS specification.

Q: What does Moisture Sensitivity Level 1 mean?

A: MSL 1 indicates unlimited shelf life without moisture control requirements. The component does not require special dry-pack storage or baking procedures before soldering, simplifying inventory management and assembly processes.

Q: Can I use these parts in high-temperature applications?

A: All parts are rated for -55°C to 155°C operating temperature range. For applications approaching or exceeding 155°C, consult component datasheets for derating curves and long-term reliability data.

Q: Are there any dimensional differences between substitute parts?

A: Most parts maintain 0.063" L x 0.031" W (1.60mm x 0.80mm) dimensions. CRCW060368K0FKEA and RMCF0603FT68K0 have minor dimensional variations (1.55mm length) but remain within 0603 package classification and are mechanically compatible with standard 0603 footprints.