RG2012N-1050-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-1050-C-T5 is a 105 Ohm ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component is designed for automotive applications with AEC-Q200 qualification and anti-sulfur construction. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility while offering enhanced performance characteristics.

Key Parameters

Parameter	Value
Resistance	105 Ohms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Features	Anti-Sulfur, Automotive AEC-Q200
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±10ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012N-1050-C-T5 is determined by the following critical parameters that must remain constant or improve:

Mandatory Compatibility Parameters:

Resistance value: 105 Ohms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Composition: Thin Film (exact match required)
Operating temperature range: -55°C ~ 155°C minimum (equal or wider acceptable)
AEC-Q200 automotive qualification (required)
Anti-sulfur construction (required)

Substitution Enhancement Parameters:

Tolerance: ±0.25% or tighter (lower tolerance values represent upgrades)
Temperature coefficient: ±10ppm/°C or lower (lower values represent upgrades)
Product status: Active preferred over obsolete

All substitute parts listed maintain identical mechanical dimensions, termination count, and regulatory compliance (RoHS3, REACH Unaffected, EAR99).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Product Status	Inventory (Pcs)
RG2012N-1050-C-T5	Susumu	105 Ω	±0.25%	0.125	±10	Obsolete	996
RG2012N-1050-B-T5	Susumu	105 Ω	±0.1%	0.125	±10	Active	963
RG2012N-1050-W-T1	Susumu	105 Ω	±0.05%	0.125	±10	Active	1022
RG2012N-1050-W-T5	Susumu	105 Ω	±0.05%	0.125	±10	Active	1058
RG2012V-1050-B-T5	Susumu	105 Ω	±0.1%	0.125	±5	Active	877
RG2012V-1050-P-T1	Susumu	105 Ω	±0.02%	0.125	±5	Active	1108
RG2012V-1050-W-T1	Susumu	105 Ω	±0.05%	0.125	±5	Active	677
RG2012V-1050-W-T5	Susumu	105 Ω	±0.05%	0.125	±5	Active	1156

Engineering Selection Recommendations

Direct Replacement (Minimum Specification Match): The RG2012N-1050-B-T5 provides direct functional replacement with improved tolerance specification (±0.1% versus ±0.25%) while maintaining identical temperature coefficient and power rating. This part is active and maintains full AEC-Q200 automotive qualification.

Enhanced Performance Substitutes: The RG2012N-1050-W-T1 and RG2012N-1050-W-T5 offer superior tolerance (±0.05%) within the RG2012N series, maintaining the ±10ppm/°C temperature coefficient. Both are active products with higher inventory availability.

Premium Substitutes (RG2012V Series): The RG2012V series components provide enhanced temperature coefficient performance (±5ppm/°C versus ±10ppm/°C), representing a significant upgrade in thermal stability. These include:

RG2012V-1050-B-T5: ±0.1% tolerance with ±5ppm/°C coefficient
RG2012V-1050-W-T1 and RG2012V-1050-W-T5: ±0.05% tolerance with ±5ppm/°C coefficient
RG2012V-1050-P-T1: Highest precision at ±0.02% tolerance with ±5ppm/°C coefficient

All substitute parts maintain identical package dimensions (0.079" L x 0.049" W, 2.00mm x 1.25mm), height (0.020" maximum), and regulatory compliance (RoHS3, REACH Unaffected, EAR99).

Frequently Asked Questions (FAQ)

Q: Can RG2012N-1050-C-T5 be replaced with any of the listed substitutes? A: Yes. All listed substitutes maintain the mandatory compatibility parameters: 105 Ohm resistance, 0805 package, 0.125W power rating, thin film composition, -55°C to 155°C operating range, AEC-Q200 qualification, and anti-sulfur construction. Mechanical and electrical compatibility is confirmed.

Q: What is the difference between RG2012N and RG2012V series? A: The primary difference is temperature coefficient. RG2012N series has ±10ppm/°C, while RG2012V series has ±5ppm/°C. The RG2012V series provides superior thermal stability and is recommended for applications requiring tighter performance over temperature variations.

Q: Does tolerance improvement affect circuit performance? A: Tolerance improvement (from ±0.25% to ±0.1%, ±0.05%, or ±0.02%) reduces resistance value variation. Applications requiring precise resistance values benefit from tighter tolerance specifications. Circuits designed for ±0.25% tolerance operate within specification with any substitute listed.

Q: Are all substitutes available in the same packaging format? A: All substitutes are supplied in Tape & Reel (TR) packaging. The original RG2012N-1050-C-T5 packaging format is not specified in the provided data. Verify packaging requirements for your procurement process.

Q: What is the significance of the T1 and T5 designations? A: The T1 and T5 designations indicate different tape specifications within Tape & Reel packaging. Both formats are compatible with standard SMD assembly equipment. Confirm tape specification compatibility with your manufacturing process.

Q: Which substitute offers the best overall performance? A: The RG2012V-1050-P-T1 provides the highest precision (±0.02% tolerance) combined with superior temperature coefficient (±5ppm/°C). This part is recommended for applications requiring maximum accuracy and thermal stability across the full operating temperature range.

Q: Is the obsolete status of RG2012N-1050-C-T5 a concern for long-term supply? A: Yes. The original part is obsolete. All recommended substitutes are active products with confirmed inventory availability, ensuring long-term supply chain reliability for new designs and production runs.

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