RG2012N-1581-P-T1 Equivalent & Substitute Parts

Part Overview

The RG2012N-1581-P-T1 is a 1.58 kOhms ±0.02% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-precision applications requiring tight tolerance specifications. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing production and design requirements.

Substiute Parts

RG2012N-1581-P-T1

SusumuIn Stock: 1059RG2012N-1581-P-T1 Datasheet

Current PartRFQ

RG2012V-1581-P-T1

SusumuIn Stock: 893RG2012V-1581-P-T1 Datasheet

UpgradeRFQ

ERA-6AEB1581V

Panasonic Electronic ComponentsIn Stock: 8626ERA-6AEB1581V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RG2012N-1581-P-T1 is determined by the following critical parameters:

Primary Substitution Criteria:

• Resistance value: 1.58 kOhms (exact match required)
• Package type: 0805 (2012 Metric) form factor
• Power rating: 0.125W minimum
• Operating temperature range: -55°C to 155°C minimum
• Automotive qualification: AEC-Q200 compliance
• Composition: Thin film construction
• RoHS compliance: ROHS3 Compliant

Secondary Compatibility Parameters:

• Tolerance specification (tighter tolerance acceptable)
• Temperature coefficient (lower values acceptable)
• Packaging format (Tape & Reel acceptable for active parts)

The substitute parts listed maintain electrical equivalence across resistance, power rating, and temperature operating range. Tolerance and temperature coefficient variations are noted where they differ from the original specification.

Parameter Comparison

Engineering Selection Recommendations

RG2012V-1581-P-T1 (Susumu - Upgrade Path)

The RG2012V-1581-P-T1 is the primary recommended substitute for the obsolete RG2012N-1581-P-T1. This part maintains identical electrical specifications including 1.58 kOhms resistance and ±0.02% tolerance. The RG2012V variant offers improved temperature coefficient performance at ±5ppm/°C compared to the original ±10ppm/°C specification. The component is currently in active production status with ROHS3 compliance and AEC-Q200 automotive qualification. Physical dimensions and package form factor are identical, ensuring direct PCB compatibility. Packaging is supplied in Tape & Reel format suitable for automated assembly processes.

ERA-6AEB1581V (Panasonic Electronic Components - Alternative Substitute)

The ERA-6AEB1581V provides functional equivalence with tolerance relaxation to ±0.1% and temperature coefficient of ±25ppm/°C. This component is suitable for applications where the tighter tolerance of the original specification is not required. The part maintains identical resistance value, power rating, operating temperature range, and AEC-Q200 automotive qualification. Physical dimensions are compatible with 0805 package requirements, with maximum seated height of 0.024" (0.60mm) compared to 0.020" (0.50mm) for the primary substitute. This part is in active production status with ROHS3 compliance and unlimited moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can the RG2012V-1581-P-T1 be used as a direct replacement for the RG2012N-1581-P-T1?

A: Yes. The RG2012V-1581-P-T1 maintains identical electrical specifications including 1.58 kOhms resistance, ±0.02% tolerance, 0.125W power rating, and -55°C to 155°C operating temperature range. Physical package dimensions are identical, enabling direct PCB substitution. The RG2012V variant is in active production status, addressing the obsolescence of the original part.

Q: What is the tolerance difference between the main part and the ERA-6AEB1581V substitute?

A: The RG2012N-1581-P-T1 specifies ±0.02% tolerance, while the ERA-6AEB1581V specifies ±0.1% tolerance. The ERA-6AEB1581V tolerance is wider by 0.08 percentage points. This difference is acceptable for applications where the circuit design does not require the tighter tolerance specification of the original component.

Q: Are all three parts AEC-Q200 qualified?

A: Yes. The RG2012N-1581-P-T1, RG2012V-1581-P-T1, and ERA-6AEB1581V all carry AEC-Q200 automotive qualification, suitable for automotive and high-reliability applications.

Q: What is the difference in temperature coefficient between the substitute parts?

A: The RG2012N-1581-P-T1 has a temperature coefficient of ±10ppm/°C. The RG2012V-1581-P-T1 offers improved performance at ±5ppm/°C. The ERA-6AEB1581V has a temperature coefficient of ±25ppm/°C. Lower temperature coefficient values indicate better stability across the operating temperature range.

Q: Are there physical dimension differences between the substitute parts?

A: The RG2012N-1581-P-T1 and RG2012V-1581-P-T1 have identical dimensions of 0.079" L x 0.049" W with maximum seated height of 0.020" (0.50mm). The ERA-6AEB1581V has the same length and width but a maximum seated height of 0.024" (0.60mm). This 0.004" (0.10mm) height difference must be considered for applications with tight vertical clearance constraints.

Q: What packaging formats are available for these substitute parts?

A: The RG2012N-1581-P-T1 original part packaging format is not specified in the provided data. The RG2012V-1581-P-T1 and ERA-6AEB1581V are supplied in Tape & Reel (TR) format, suitable for automated pick-and-place assembly processes.

Q: Are all parts RoHS3 compliant?

A: Yes. The RG2012N-1581-P-T1, RG2012V-1581-P-T1, and ERA-6AEB1581V are all ROHS3 compliant, meeting environmental and regulatory requirements for electronic component manufacturing and use.

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

A: All three parts have Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or assembly processes.