RC1608J515CS Equivalent & Substitute Parts

Part Overview

The RC1608J515CS is a 5.1 MOhm thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0603 (1608 metric) package. This component is rated for 0.1W power dissipation with ±5% tolerance and is moisture resistant. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level rating. Alternative equivalent and upgraded substitute parts are necessary to support supply chain flexibility, design revision requirements, and applications demanding enhanced specifications such as automotive qualification or improved tolerance characteristics.

Substiute Parts

RC1608J515CS

Samsung Electro-MechanicsIn Stock: 1105RC1608J515CS Datasheet

Current PartRFQ

RC0603JR-075M1L

YAGEOIn Stock: 719146RC0603JR-075M1L Datasheet

DirectRFQ

KTR03EZPF5104

Rohm SemiconductorIn Stock: 42289KTR03EZPF5104 Datasheet

UpgradeRFQ

RMCF0603JT5M10

Stackpole Electronics IncIn Stock: 24983RMCF0603JT5M10 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for RC1608J515CS is based on the following critical parameters:

Core Electrical Parameters (Non-Negotiable):

• Resistance: 5.1 MOhms
• Power Rating: 0.1W minimum
• Package: 0603 (1608 Metric)

Performance Parameters (Allowable Variance):

• Tolerance: ±5% minimum (upgrades to ±1% acceptable)
• Composition: Thick Film
• Operating Temperature: -55°C ~ 155°C minimum
• Moisture Sensitivity: Level 1 acceptable

Compliance Parameters:

• RoHS3 Compliant
• REACH Unaffected status

Substitute parts may include automotive-qualified variants (AEC-Q200) and enhanced tolerance options. These upgrades do not reduce functionality for non-automotive applications and provide additional certification benefits where design requirements permit.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Preferred for Drop-In Replacement): RC0603JR-075M1L (YAGEO) provides complete electrical and mechanical equivalence to the RC1608J515CS with identical tolerance, temperature coefficient, and packaging specifications. This part maintains all compliance certifications and offers the highest inventory availability, making it the primary substitute for direct board assembly interchangeability.

Upgraded Substitutes (Enhanced Specifications): KTR03EZPF5104 (Rohm Semiconductor) and RMCF0603JT5M10 (Stackpole Electronics Inc) both feature AEC-Q200 automotive qualification. KTR03EZPF5104 provides ±1% tolerance with ±100ppm/°C temperature coefficient, suitable for applications requiring tighter resistance control. RMCF0603JT5M10 maintains ±5% tolerance with ±200ppm/°C temperature coefficient while offering automotive qualification certification.

All substitute parts are Active status with ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-075M1L replace RC1608J515CS in existing designs? A: Yes. RC0603JR-075M1L is a direct equivalent with identical electrical parameters, package dimensions, and thermal characteristics. No circuit design changes are required.

Q: What are the benefits of selecting KTR03EZPF5104 over the original part? A: KTR03EZPF5104 offers ±1% tolerance instead of ±5%, providing superior resistance accuracy. Additionally, AEC-Q200 automotive qualification extends the part's applicability to safety-critical environments. The temperature coefficient remains ±100ppm/°C, maintaining thermal stability.

Q: Are RMCF0603JT5M10 and RC1608J515CS mechanically compatible? A: Yes. Both parts use the 0603 (1608 Metric) package with identical board footprint and soldering characteristics. The maximum seated height of 0.022" is consistent across all substitute options.

Q: What is the significance of AEC-Q200 qualification for RMCF0603JT5M10? A: AEC-Q200 certification indicates the part meets automotive industry reliability standards. This qualification is beneficial for applications in automotive electronics, industrial controls, and other high-reliability environments, though it does not alter electrical performance for standard applications.

Q: How do temperature coefficients affect part selection? A: RMCF0603JT5M10 has a ±200ppm/°C temperature coefficient compared to ±100ppm/°C for the original part and other substitutes. This wider coefficient is acceptable for general applications but may require verification for circuits with stringent temperature stability requirements across the full -55°C ~ 155°C operating range.

Q: Are all substitute parts ROHS3 compliant? A: Yes. RC0603JR-075M1L, KTR03EZPF5104, and RMCF0603JT5M10 are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original RC1608J515CS compliance profile.