RC1608F9531CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F9531CS is a 9.53 kOhms ±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 with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC1608F9531CS

Samsung Electro-MechanicsIn Stock: 831RC1608F9531CS Datasheet

Current PartRFQ

CR0603-FX-9531ELF

Bourns Inc.In Stock: 68474CR0603-FX-9531ELF Datasheet

DirectRFQ

RC0603FR-079K53L

YAGEOIn Stock: 371825RC0603FR-079K53L Datasheet

DirectRFQ

AC0603FR-079K53L

YAGEOIn Stock: 10955AC0603FR-079K53L Datasheet

SimilarRFQ

CRCW06039K53FKEA

Vishay DaleIn Stock: 59341CRCW06039K53FKEA Datasheet

SimilarRFQ

CRCW06039K53FKTA

Vishay DaleIn Stock: 5966CRCW06039K53FKTA Datasheet

SimilarRFQ

ERJ-3EKF9531V

Panasonic Electronic ComponentsIn Stock: 49391ERJ-3EKF9531V Datasheet

SimilarRFQ

RMCF0603FT9K53

Stackpole Electronics IncIn Stock: 162259RMCF0603FT9K53 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F9531CS are classified into two categories based on substitution compatibility:

Direct Substitutes maintain identical electrical and mechanical specifications with no functional or compliance differences:

• Resistance: 9.53 kOhms ±1%
• Power Rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature: -55°C to 155°C
• Composition: Thick Film
• Moisture Resistance: Yes
• RoHS Status: ROHS3 Compliant
• MSL: 1 (Unlimited)

Similar Substitutes meet all core electrical and thermal specifications but include additional automotive-grade certifications (AEC-Q200) or minor packaging variations. These parts are suitable for applications requiring enhanced reliability or automotive qualification without compromising base functionality.

Parameter Comparison

Engineering Selection Recommendations

For Standard Industrial Applications: Select CR0603-FX-9531ELF (Bourns Inc.) or RC0603FR-079K53L (YAGEO) as primary direct substitutes. Both parts maintain identical electrical specifications, thermal characteristics, and ROHS3 compliance with the original RC1608F9531CS. These options provide the highest inventory availability and equivalent performance in non-automotive circuits.

For Automotive Applications: Select ERJ-3EKF9531V (Panasonic Electronic Components) or RMCF0603FT9K53 (Stackpole Electronics Inc.) when AEC-Q200 automotive qualification is required. Both parts meet all base electrical specifications while providing automotive-grade reliability certification. CRCW06039K53FKEA (Vishay Dale) is also suitable for automotive use with AEC-Q200 rating and ROHS3 compliance.

Compliance Considerations: CRCW06039K53FKTA (Vishay Dale) is not ROHS3 compliant and REACH affected; use only in applications where legacy component specifications are explicitly required. All other substitute parts maintain full ROHS3 compliance and REACH unaffected status matching the original part.

Packaging and Logistics: AC0603FR-079K53L (YAGEO) is supplied in Cut Tape & Digi-Reel format; verify compatibility with automated assembly equipment before selection. All other substitutes are supplied in standard Tape & Reel packaging compatible with conventional pick-and-place systems.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-9531ELF as a direct replacement for RC1608F9531CS? A: Yes. CR0603-FX-9531ELF is a direct substitute with identical resistance value (9.53 kOhms ±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and RoHS3 compliance. No circuit modifications are required.

Q: What is the difference between direct substitutes and similar substitutes? A: Direct substitutes (CR0603-FX-9531ELF, RC0603FR-079K53L) have identical electrical and mechanical specifications with no additional certifications. Similar substitutes include automotive-grade AEC-Q200 certification (AC0603FR-079K53L, CRCW06039K53FKEA, ERJ-3EKF9531V, RMCF0603FT9K53), which adds reliability qualification for automotive applications without changing base electrical performance.

Q: Are all substitute parts ROHS3 compliant? A: No. CRCW06039K53FKTA is RoHS non-compliant and REACH affected. All other substitutes listed are ROHS3 compliant and REACH unaffected, matching the original RC1608F9531CS compliance status.

Q: Can I use automotive-grade parts (AEC-Q200) in standard industrial circuits? A: Yes. Automotive-grade parts exceed standard industrial requirements and are fully compatible with non-automotive applications. AEC-Q200 certification indicates enhanced reliability and environmental stress testing, making these parts suitable for any application requiring the specified electrical characteristics.

Q: What packaging formats are available for these substitutes? A: Most substitutes are supplied in Tape & Reel (TR) format for automated assembly. AC0603FR-079K53L is supplied in Cut Tape & Digi-Reel format; verify compatibility with your assembly equipment before ordering.

Q: Do all substitutes have the same moisture sensitivity level? A: Yes. All substitute parts listed have MSL 1 (Unlimited), matching the original RC1608F9531CS. This indicates no moisture sensitivity restrictions and unlimited shelf life under standard storage conditions.

Q: Can I mix different manufacturers' parts in the same production batch? A: Yes. All listed substitutes meet identical electrical specifications, thermal characteristics, and package dimensions. However, verify with your quality assurance procedures regarding multi-source component usage in production runs.

Q: What is the temperature coefficient significance for this resistor? A: The ±100ppm/°C temperature coefficient indicates the resistor's resistance value changes by ±100 parts per million for each degree Celsius change in operating temperature. All substitutes maintain this specification, ensuring consistent circuit performance across the -55°C to 155°C operating range.