RG2012N-272-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-272-C-T5 is a 2.7 kOhms ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. Manufactured by Susumu, this component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications in temperature ranges from -55°C to 155°C. The part is currently obsolete, necessitating identification of equivalent and substitute components that maintain functional compatibility while offering improved specifications or active product status.

Key Parameters

Parameter	Value
Resistance	2.7 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±10ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012N-272-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 2.7 kOhms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (equal or greater acceptable)
Composition: Thin Film (required for performance characteristics)
Operating temperature range: -55°C to 155°C minimum (equal or greater range acceptable)
Automotive qualification: AEC-Q200 (required for automotive applications)

Substitution-Enabling Parameters:

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

Substitute parts are grouped into two categories: Susumu RG series variants with improved tolerance specifications, and cross-manufacturer alternatives (Panasonic ERA-6A series and Vishay MCU series) that maintain all mandatory parameters while offering active product status and equivalent or superior electrical characteristics.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	AEC-Q200	Product Status
RG2012N-272-C-T5	Susumu	2.7k	±0.25%	0.125	±10	-55 to 155	0805	Yes	Obsolete
RG2012N-272-B-T5	Susumu	2.7k	±0.1%	0.125	±10	-55 to 155	0805	Yes	Active
RG2012N-272-W-T1	Susumu	2.7k	±0.05%	0.125	±10	-55 to 155	0805	Yes	Active
RG2012N-272-W-T5	Susumu	2.7k	±0.05%	0.125	±10	-55 to 155	0805	Yes	Active
RG2012V-272-B-T5	Susumu	2.7k	±0.1%	0.125	±5	-55 to 155	0805	Yes	Active
RG2012V-272-P-T1	Susumu	2.7k	±0.02%	0.125	±5	-55 to 155	0805	Yes	Active
RG2012V-272-W-T1	Susumu	2.7k	±0.05%	0.125	±5	-55 to 155	0805	Yes	Active
RG2012V-272-W-T5	Susumu	2.7k	±0.05%	0.125	±5	-55 to 155	0805	Yes	Active
ERA-6ARB272V	Panasonic Electronic Components	2.7k	±0.1%	0.125	±10	-55 to 155	0805	Yes	Active
ERA-6ARW272V	Panasonic Electronic Components	2.7k	±0.05%	0.125	±10	-55 to 155	0805	Yes	Active
MCU08050F2701BP100	Vishay Beyschlag/Draloric/BC Components	2.7k	±0.1%	0.125	±10	-55 to 125	0805	No	Active

Engineering Selection Recommendations

Direct Replacement (Same Tolerance): ERA-6ARB272V (Panasonic) provides direct functional equivalence to the RG2012N-272-C-T5 with identical ±0.25% tolerance specification. This part maintains all mandatory parameters including 2.7 kOhms resistance, 0805 package, 0.125W power rating, AEC-Q200 automotive qualification, and -55°C to 155°C operating range. The ERA-6ARB272V is active product status with 4464 units in stock.

Upgraded Tolerance Options (Tighter Tolerance): RG2012N-272-B-T5 (Susumu, ±0.1% tolerance) and RG2012N-272-W-T1 (Susumu, ±0.05% tolerance) offer improved tolerance specifications while maintaining all other mandatory parameters. These parts are active Susumu products suitable for applications requiring enhanced precision.

RG2012V series variants (RG2012V-272-B-T5, RG2012V-272-P-T1, RG2012V-272-W-T1, RG2012V-272-W-T5) provide superior temperature coefficient performance (±5ppm/°C versus ±10ppm/°C) with tolerance options ranging from ±0.02% to ±0.1%, all maintaining full AEC-Q200 automotive qualification and -55°C to 155°C operating range.

ERA-6ARW272V (Panasonic, ±0.05% tolerance) offers cross-manufacturer upgrade with improved tolerance and active product status.

Non-Automotive Alternative: MCU08050F2701BP100 (Vishay) provides functional compatibility with ±0.1% tolerance and anti-sulfur coating. This part lacks AEC-Q200 automotive qualification and operates to 125°C maximum (versus 155°C), making it unsuitable for applications requiring automotive-grade components or extended temperature operation above 125°C.

Frequently Asked Questions (FAQ)

Q: Can RG2012N-272-B-T5 directly replace RG2012N-272-C-T5?

A: Yes. RG2012N-272-B-T5 maintains all mandatory compatibility parameters: 2.7 kOhms resistance, 0805 package, 0.125W power rating, AEC-Q200 qualification, and -55°C to 155°C operating range. The ±0.1% tolerance is tighter than the original ±0.25%, making it a direct upgrade.

Q: What is the difference between RG2012N and RG2012V series?

A: Both series maintain identical resistance, tolerance, power rating, package, and operating temperature range. The RG2012V series features improved temperature coefficient (±5ppm/°C versus ±10ppm/°C), providing superior stability across temperature variations. Selection depends on application requirements for temperature stability.

Q: Are Panasonic ERA-6A series parts compatible with Susumu RG series?

A: Yes, when specifications match. ERA-6ARB272V (±0.1% tolerance) and ERA-6ARW272V (±0.05% tolerance) are functionally compatible with equivalent Susumu parts. Both manufacturers provide AEC-Q200 qualification, identical package dimensions, and matching operating temperature ranges. Cross-manufacturer substitution is valid when electrical specifications align.

Q: Why is MCU08050F2701BP100 not recommended for automotive applications?

A: MCU08050F2701BP100 lacks AEC-Q200 automotive qualification and operates to 125°C maximum temperature, below the original part's 155°C upper limit. Applications requiring automotive-grade reliability or extended temperature operation must use AEC-Q200 qualified alternatives.

Q: What tolerance should I select for my application?

A: Tolerance selection depends on circuit requirements. The original ±0.25% tolerance is suitable for general-purpose applications. Tighter tolerances (±0.1%, ±0.05%, ±0.02%) are required for precision analog circuits, reference networks, or applications with strict resistance value requirements. Consult circuit design specifications to determine minimum acceptable tolerance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (unlimited), matching the original part's environmental compliance status.

Q: What is the significance of packaging designation (T1 versus T5)?

A: T1 and T5 designations indicate different tape and reel packaging configurations used in automated assembly processes. Both are functionally equivalent for the component itself. Selection depends on manufacturing equipment compatibility and assembly line requirements.

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