RC1005J395CS Equivalent & Substitute Parts

Part Overview

The RC1005J395CS is a 3.9 MOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This component is rated for 0.063W (1/16W) power dissipation and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and is currently in active production status.

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements necessitate alternative sourcing options. Substitute parts must maintain electrical and mechanical compatibility within the specified parameters.

Substiute Parts

RC1005J395CS

Samsung Electro-MechanicsIn Stock: 742RC1005J395CS Datasheet

Current PartRFQ

RC0402JR-073M9L

YAGEOIn Stock: 24637RC0402JR-073M9L Datasheet

DirectRFQ

RMCF0402FT3M90

Stackpole Electronics IncIn Stock: 58261RMCF0402FT3M90 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005J395CS are qualified based on the following critical parameters:

Electrical Compatibility:

• Resistance value: 3.9 MOhms (exact match required)
• Power rating: 0.063W minimum (1/16W)
• Operating temperature range: -55°C to 155°C minimum
• Tolerance: ±5% or better (tighter tolerance acceptable)

Mechanical Compatibility:

• Package format: 0402 (1005 Metric) mandatory
• Physical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm)
• Height seated maximum: 0.016" (0.40mm)
• Number of terminations: 2

Regulatory & Environmental:

• RoHS3 compliance required
• MSL 1 (Unlimited) moisture sensitivity
• REACH unaffected status

Substitute parts meeting all electrical, mechanical, and regulatory parameters are classified as direct equivalents. Parts with enhanced specifications (such as improved tolerance or automotive qualification) are classified as upgrades.

Parameter Comparison

Engineering Selection Recommendations

RC0402JR-073M9L (YAGEO) - Direct Equivalent

The RC0402JR-073M9L is a direct functional equivalent to the RC1005J395CS. Both parts share identical electrical specifications (3.9 MOhms ±5%, 0.063W), mechanical dimensions (0402 package), and regulatory compliance (ROHS3, MSL 1). The primary difference is packaging format: YAGEO supplies this part in Cut Tape (CT) and Digi-Reel® format, while Samsung provides Tape & Reel (TR). This part is suitable for direct substitution in applications where packaging format flexibility is acceptable.

RMCF0402FT3M90 (Stackpole Electronics Inc) - Upgrade Equivalent

The RMCF0402FT3M90 is an upgrade equivalent offering enhanced specifications. This part maintains the same resistance value (3.9 MOhms), power rating (0.063W), and package format (0402), but provides improved tolerance (±1% versus ±5%) and automotive AEC-Q200 qualification. The temperature coefficient is ±200ppm/°C compared to ±100ppm/°C in the original part. This component is suitable for applications requiring higher precision or automotive-grade reliability standards while maintaining full mechanical and regulatory compatibility.

Frequently Asked Questions (FAQ)

Q: Can RC0402JR-073M9L be used as a direct replacement for RC1005J395CS?

A: Yes. Both parts have identical resistance (3.9 MOhms), tolerance (±5%), power rating (0.063W), package format (0402), and operating temperature range (-55°C to 155°C). The only difference is packaging format (Cut Tape vs. Tape & Reel), which does not affect electrical or mechanical performance in the circuit.

Q: What is the advantage of using RMCF0402FT3M90 over the original RC1005J395CS?

A: The RMCF0402FT3M90 provides tighter tolerance (±1% versus ±5%) and AEC-Q200 automotive qualification. These enhancements are beneficial for precision-critical applications or designs requiring automotive-grade component reliability. All other electrical and mechanical parameters remain compatible.

Q: Are all three parts interchangeable in the same PCB footprint?

A: Yes. All three parts use the identical 0402 (1005 Metric) package with matching physical dimensions (0.039" L x 0.020" W) and maximum seated height (0.016"). They are mechanically interchangeable on the same PCB footprint.

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

A: No. Packaging format affects only handling, storage, and assembly processes. It does not impact electrical performance or circuit functionality. Selection between Tape & Reel and Cut Tape should be based on manufacturing equipment compatibility and inventory management requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. RC0402JR-073M9L and RMCF0402FT3M90 are both ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original RC1005J395CS specification.

Q: Can RMCF0402FT3M90 be used in applications originally designed for RC1005J395CS?

A: Yes. The RMCF0402FT3M90 meets or exceeds all electrical and mechanical requirements of the original part. The improved tolerance (±1%) and automotive qualification represent enhancements that do not create compatibility issues. The higher temperature coefficient (±200ppm/°C versus ±100ppm/°C) should be evaluated only if the application has specific temperature stability requirements.

Q: What is the difference between ±5% and ±1% tolerance?

A: Tolerance specifies the acceptable deviation from the nominal resistance value. A ±5% tolerance on a 3.9 MOhms resistor allows values between 3.705 MOhms and 4.095 MOhms. A ±1% tolerance restricts values between 3.861 MOhms and 3.939 MOhms. Tighter tolerance (±1%) is suitable for precision applications where resistance accuracy is critical.

Q: Is AEC-Q200 qualification required for non-automotive applications?

A: No. AEC-Q200 is an automotive industry standard. For non-automotive applications, this qualification is not required. However, using an AEC-Q200 qualified part in a non-automotive application does not create any compatibility or performance issues.