RMC1/16S-511JTH Equivalent & Substitute Parts

Part Overview

The RMC1/16S-511JTH is a 510 Ohms ±5% thick film chip resistor manufactured by Kamaya Inc., rated at 0.1W (1/10W) power dissipation in the 0402 (1005 Metric) package. This component is classified as Active product status with unlimited moisture sensitivity level (MSL 1). Substitute parts are identified to provide design flexibility, inventory optimization, and access to alternative qualified sources while maintaining electrical and mechanical compatibility within the specified parameter tolerances.

Substiute Parts

RMC1/16S-511JTH

Kamaya Inc.In Stock: 1024RMC1/16S-511JTH Datasheet

Current PartRFQ

ERJ-2GEJ511X

Panasonic Electronic ComponentsIn Stock: 170237ERJ-2GEJ511X Datasheet

DirectRFQ

ERJ-2RKF5100X

Panasonic Electronic ComponentsIn Stock: 231423ERJ-2RKF5100X Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RMC1/16S-511JTH are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Compatibility Criteria:

• Resistance value: 510 Ohms (exact match required)
• Package / Case: 0402 (1005 Metric) (exact match required)
• Power rating: 0.1W, 1/10W (exact match required)
• Composition: Thick Film (exact match required)
• Operating temperature range: -55°C ~ 155°C (minimum requirement)
• Number of terminations: 2 (exact match required)

Allowable Variation Parameters:

• Tolerance: ±5% or tighter (±1% is acceptable as upgrade)
• Temperature coefficient: ±200ppm/°C or lower (±100ppm/°C is acceptable as upgrade)
• Manufacturer: Different qualified sources permitted
• Packaging format: Tape & Reel acceptable for equivalent substitution
• Certifications: Additional qualifications (AEC-Q200) do not disqualify substitution

The two identified substitutes are classified as follows:

Direct Equivalent: ERJ-2GEJ511X maintains identical electrical specifications (510 Ohms ±5%, 0.1W) with matching mechanical and thermal parameters. This part is suitable for one-to-one replacement.

Upgrade Substitute: ERJ-2RKF5100X provides improved tolerance (±1% vs. ±5%) and lower temperature coefficient (±100ppm/°C vs. ±200ppm/°C) while maintaining all other critical parameters. This part is suitable for applications requiring higher precision.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Equivalent Substitution):

The ERJ-2GEJ511X from Panasonic Electronic Components is a direct equivalent to the RMC1/16S-511JTH. Both parts share identical electrical specifications (510 Ohms ±5%, 0.1W), thermal characteristics (±200ppm/°C, -55°C ~ 155°C), and mechanical dimensions (0402 package). The ERJ-2GEJ511X carries AEC-Q200 automotive qualification, which does not restrict its use in non-automotive applications. This part is suitable for one-to-one substitution in existing designs without circuit modification.

For Enhanced Performance (Upgrade Substitution):

The ERJ-2RKF5100X from Panasonic Electronic Components provides improved specifications while maintaining full mechanical and thermal compatibility. The tighter tolerance (±1% vs. ±5%) and lower temperature coefficient (±100ppm/°C vs. ±200ppm/°C) make this part suitable for applications requiring higher precision and stability. The ERJ-2RKF5100X also carries AEC-Q200 automotive qualification and ROHS3 compliance. This upgrade is applicable when circuit design permits or benefits from improved component tolerance and temperature stability.

Compliance and Regulatory Status:

All three parts (RMC1/16S-511JTH, ERJ-2GEJ511X, ERJ-2RKF5100X) are classified as Active products with REACH Unaffected status and EAR99 export classification. The Panasonic substitutes include ROHS3 compliance certification. All parts maintain MSL 1 (Unlimited) moisture sensitivity level, indicating no special storage or handling requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-2GEJ511X be used as a direct replacement for RMC1/16S-511JTH?

A: Yes. The ERJ-2GEJ511X is a direct equivalent. Both parts have identical resistance (510 Ohms), tolerance (±5%), power rating (0.1W), package (0402), composition (thick film), and operating temperature range (-55°C ~ 155°C). The mechanical dimensions and termination count are identical. No circuit modification is required.

Q: What is the difference between ERJ-2GEJ511X and ERJ-2RKF5100X?

A: The primary differences are tolerance and temperature coefficient. ERJ-2GEJ511X maintains ±5% tolerance and ±200ppm/°C temperature coefficient, matching the original RMC1/16S-511JTH. ERJ-2RKF5100X offers improved specifications with ±1% tolerance and ±100ppm/°C temperature coefficient. All other parameters, including resistance value, power rating, package, and operating temperature range, are identical.

Q: Are the Panasonic substitutes suitable for automotive applications?

A: Both Panasonic parts (ERJ-2GEJ511X and ERJ-2RKF5100X) carry AEC-Q200 automotive qualification. However, this certification does not restrict their use in non-automotive applications. These parts are suitable for any application where the RMC1/16S-511JTH is specified.

Q: Does the 0402 package dimension remain the same across all three parts?

A: Yes. All three parts use the 0402 (1005 Metric) package with identical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.016" (0.40mm). PCB footprint and assembly compatibility are identical.

Q: What is the moisture sensitivity level for these parts?

A: All three parts are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard storage and handling procedures are sufficient; no special desiccant packaging or baking procedures are required.

Q: Are there any regulatory or compliance differences between the three parts?

A: All three parts are REACH Unaffected and classified as EAR99 for export purposes. The Panasonic substitutes include ROHS3 compliance certification. The original RMC1/16S-511JTH does not specify ROHS status in the provided data. All parts share identical HTSUS classification (8533.21.0030).

Q: Can ERJ-2RKF5100X be used in place of RMC1/16S-511JTH without design changes?

A: Yes. The ERJ-2RKF5100X maintains all critical mechanical and thermal parameters identical to the RMC1/16S-511JTH. The improved tolerance (±1%) and lower temperature coefficient (±100ppm/°C) are compatible with any circuit designed for the original part. No design modification is required; the upgrade is transparent to circuit operation.

Q: What packaging formats are available for these substitutes?

A: Both Panasonic substitutes (ERJ-2GEJ511X and ERJ-2RKF5100X) are supplied in Tape & Reel (TR) format. The original RMC1/16S-511JTH packaging format is not specified in the provided data. Tape & Reel format is standard for automated assembly processes and is compatible with standard pick-and-place equipment.