RG2012N-122-P-T1 Equivalent & Substitute Parts

Part Overview

The RG2012N-122-P-T1 is a 1.2 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, designed for high-precision applications requiring tight tolerance specifications. The part is currently classified as obsolete, necessitating identification of equivalent active alternatives that maintain electrical and mechanical compatibility.

Substiute Parts

RG2012N-122-P-T1

SusumuIn Stock: 814RG2012N-122-P-T1 Datasheet

Current PartRFQ

RG2012V-122-P-T1

SusumuIn Stock: 1667RG2012V-122-P-T1 Datasheet

UpgradeRFQ

ERA-6AEB122V

Panasonic Electronic ComponentsIn Stock: 8539ERA-6AEB122V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RG2012N-122-P-T1 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1.2 kOhms
• Package type: 0805 (2012 Metric)
• Power rating: 0.125W (1/8W)
• Composition: Thin Film
• Operating temperature range: -55°C to 155°C
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3 Compliant

Allowable Variation Parameters:

• Tolerance: May vary from ±0.02% to ±0.1% depending on application requirements
• Temperature coefficient: May vary within specified ranges
• Packaging format: May transition from standard packaging to Tape & Reel (TR)
• Product status: Active alternatives preferred over obsolete status

Substitute parts must satisfy all mandatory matching parameters while accommodating allowable variations based on circuit design specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: RG2012V-122-P-T1

The RG2012V-122-P-T1 is the direct equivalent replacement for the obsolete RG2012N-122-P-T1. Both components are manufactured by Susumu and share identical electrical specifications including 1.2 kOhms resistance, ±0.02% tolerance, and 0.125W power rating. The RG2012V-122-P-T1 maintains active product status and is available in Tape & Reel packaging format. The temperature coefficient of ±5ppm/°C in the RG2012V-122-P-T1 provides superior thermal stability compared to the ±10ppm/°C of the original part. Both components satisfy AEC-Q200 automotive qualification and ROHS3 compliance requirements. Physical dimensions and mounting characteristics are identical, ensuring direct PCB compatibility.

Secondary Substitute: ERA-6AEB122V

The ERA-6AEB122V manufactured by Panasonic Electronic Components provides an alternative from a different manufacturer while maintaining core electrical and mechanical compatibility. This component shares the same 1.2 kOhms resistance value, 0.125W power rating, 0805 package, and AEC-Q200 automotive qualification. The tolerance specification of ±0.1% is less stringent than the original ±0.02%, and the temperature coefficient of ±25ppm/°C indicates reduced thermal stability. The seated height maximum of 0.024" (0.60mm) exceeds the original 0.020" (0.50mm), which may impact applications with strict height constraints. This substitute is suitable for applications where tolerance and temperature coefficient relaxation are acceptable trade-offs for cross-manufacturer sourcing flexibility.

Frequently Asked Questions (FAQ)

Q: Can RG2012V-122-P-T1 be used as a direct replacement for RG2012N-122-P-T1?

A: Yes. The RG2012V-122-P-T1 is electrically and mechanically equivalent to the RG2012N-122-P-T1. Both components feature identical resistance (1.2 kOhms), tolerance (±0.02%), power rating (0.125W), package (0805), and operating temperature range (-55°C to 155°C). The primary difference is product status: RG2012V-122-P-T1 is active while RG2012N-122-P-T1 is obsolete. The RG2012V-122-P-T1 offers improved temperature coefficient performance (±5ppm/°C versus ±10ppm/°C).

Q: What are the tolerance differences between substitute options?

A: The RG2012N-122-P-T1 and RG2012V-122-P-T1 both specify ±0.02% tolerance. The ERA-6AEB122V specifies ±0.1% tolerance, which is five times less stringent. Applications requiring precision matching or tight tolerance stack-up should use either Susumu part. Applications with relaxed tolerance requirements may accept the ERA-6AEB122V.

Q: Are there physical mounting differences between these parts?

A: The RG2012N-122-P-T1 and RG2012V-122-P-T1 have identical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm) with maximum seated height of 0.020" (0.50mm). The ERA-6AEB122V has the same length and width but a maximum seated height of 0.024" (0.60mm). This 0.004" (0.10mm) height difference may be significant in applications with strict vertical clearance constraints or high-density PCB layouts.

Q: Do all substitute parts meet automotive qualification requirements?

A: Yes. The RG2012N-122-P-T1, RG2012V-122-P-T1, and ERA-6AEB122V all carry AEC-Q200 automotive qualification and ROHS3 compliance. All three components are suitable for automotive applications within their specified operating temperature range of -55°C to 155°C.

Q: What is the difference between standard packaging and Tape & Reel format?

A: The RG2012N-122-P-T1 uses standard packaging, while RG2012V-122-P-T1 and ERA-6AEB122V use Tape & Reel (TR) format. Tape & Reel packaging is optimized for automated assembly processes and high-volume production. Standard packaging may be used for manual assembly or lower-volume applications. Both formats contain the same component; the difference is in delivery and handling method.

Q: How do temperature coefficients affect circuit performance?

A: Temperature coefficient indicates resistance value change per degree Celsius. The RG2012V-122-P-T1 (±5ppm/°C) exhibits the most stable performance across temperature variations. The RG2012N-122-P-T1 (±10ppm/°C) shows moderate stability. The ERA-6AEB122V (±25ppm/°C) shows the least stability. For precision analog circuits, timing circuits, or applications with wide operating temperature ranges, lower temperature coefficient values are preferred.

Q: Can ERA-6AEB122V be used in all applications where RG2012N-122-P-T1 is specified?

A: ERA-6AEB122V is compatible with most applications but has two limiting factors: reduced tolerance (±0.1% versus ±0.02%) and increased height (0.024" versus 0.020"). Applications requiring ±0.02% tolerance precision or with strict vertical clearance constraints should use RG2012V-122-P-T1 instead. Applications with relaxed tolerance and clearance requirements may accept ERA-6AEB122V.