RG2012N-3241-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-3241-C-T5 is a 3.24 kOhms ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component is manufactured by Susumu and features anti-sulfur coating with automotive AEC-Q200 qualification. The part is currently obsolete, necessitating identification of functionally equivalent active alternatives that maintain electrical and mechanical compatibility with existing designs.

Key Parameters

Parameter	Value
Resistance	3.24 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Features	Anti-Sulfur, Automotive AEC-Q200
Temperature Coefficient	±10ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Resistance value: 3.24 kOhms (exact match required)
Package type: 0805 (2012 Metric) (physical and electrical footprint compatibility)
Power rating: minimum 0.125W (equal or greater acceptable)
Composition: Thin Film (electrical performance characteristics)
Operating temperature range: must encompass -55°C to 155°C minimum

Tolerance and Performance Upgrades: Substitute parts with equal or tighter tolerance specifications (±0.25%, ±0.1%, ±0.05%, ±0.02%) are functionally interchangeable. Tighter tolerances represent performance upgrades suitable for applications requiring improved accuracy.

Temperature Coefficient Variations: The main part specifies ±10ppm/°C. Substitute parts with ±5ppm/°C or lower represent improved temperature stability while maintaining functional compatibility.

Certification and Compliance: All listed substitutes maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status. Automotive AEC-Q200 rating is preserved across Susumu variants and present in the Vishay Dale alternative.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Status	Inventory
RG2012N-3241-C-T5	Susumu	3.24 kΩ	±0.25%	0.125	±10	-55 to 155	Obsolete	995
RG2012N-3241-B-T5	Susumu	3.24 kΩ	±0.1%	0.125	±10	-55 to 155	Active	1109
RG2012N-3241-W-T1	Susumu	3.24 kΩ	±0.05%	0.125	±10	-55 to 155	Active	843
RG2012N-3241-W-T5	Susumu	3.24 kΩ	±0.05%	0.125	±10	-55 to 155	Active	1055
RG2012V-3241-B-T5	Susumu	3.24 kΩ	±0.1%	0.125	±5	-55 to 155	Active	885
RG2012V-3241-P-T1	Susumu	3.24 kΩ	±0.02%	0.125	±5	-55 to 155	Active	1052
RG2012V-3241-W-T1	Susumu	3.24 kΩ	±0.05%	0.125	±5	-55 to 155	Active	766
RG2012V-3241-W-T5	Susumu	3.24 kΩ	±0.05%	0.125	±5	-55 to 155	Active	664
MCU08050F3241BP500	Vishay Beyschlag	3.24 kΩ	±0.1%	0.125	±10	-55 to 125	Active	980
TNPW08053K24BYEA	Vishay Dale	3.24 kΩ	±0.1%	0.26	±10	-55 to 175	Active	839

Engineering Selection Recommendations

Primary Substitutes (Susumu RG Series - Same Manufacturer):

The Susumu RG2012N and RG2012V series variants provide direct substitution with improved specifications. RG2012N-3241-B-T5 and RG2012N-3241-W-T5 maintain identical temperature coefficient (±10ppm/°C) while offering tighter tolerance. RG2012V variants provide superior temperature stability (±5ppm/°C) with active product status and full AEC-Q200 automotive qualification.

Secondary Substitutes (Cross-Manufacturer):

MCU08050F3241BP500 (Vishay Beyschlag) provides electrical equivalence with ±0.1% tolerance and ±10ppm/°C temperature coefficient. Operating temperature range extends to -55°C to 125°C, which covers the lower bound of the original specification but does not extend to 155°C. This part is suitable for applications not requiring the full upper temperature range.

TNPW08053K24BYEA (Vishay Dale) offers enhanced power rating (0.26W versus 0.125W) and extended operating temperature to 175°C. This part is applicable where higher power dissipation or elevated temperature operation is required. AEC-Q200 automotive qualification is maintained.

Product Status Consideration:

All substitute parts carry Active product status, ensuring long-term availability and supply chain continuity. The original RG2012N-3241-C-T5 is obsolete and should be replaced in new designs.

Frequently Asked Questions (FAQ)

Q: Can RG2012N-3241-B-T5 directly replace RG2012N-3241-C-T5 in existing designs?

A: Yes. Both parts share identical resistance (3.24 kOhms), package (0805), power rating (0.125W), and operating temperature range (-55°C to 155°C). RG2012N-3241-B-T5 provides tighter tolerance (±0.1% versus ±0.25%), representing a performance upgrade with no design modification required.

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

A: Both series are manufactured by Susumu with identical electrical specifications except temperature coefficient. RG2012N variants specify ±10ppm/°C, while RG2012V variants specify ±5ppm/°C. RG2012V provides superior temperature stability for applications requiring tighter frequency or resistance stability across the operating temperature range.

Q: Is MCU08050F3241BP500 suitable for automotive applications?

A: MCU08050F3241BP500 does not carry AEC-Q200 automotive qualification. It is suitable for industrial and commercial applications. For automotive applications requiring AEC-Q200 compliance, use Susumu RG series or Vishay Dale TNPW08053K24BYEA.

Q: Why does TNPW08053K24BYEA have higher power rating than the original part?

A: TNPW08053K24BYEA is rated for 0.26W versus 0.125W. This reflects different physical construction and thermal characteristics. The higher power rating does not affect compatibility; the part operates within the same voltage and current parameters as the original when used in equivalent circuit positions.

Q: What is the operating temperature limitation of MCU08050F3241BP500?

A: MCU08050F3241BP500 operates from -55°C to 125°C, which does not extend to the original part's upper limit of 155°C. This part is suitable for applications with maximum operating temperature of 125°C or lower. For full -55°C to 155°C range, use Susumu RG series or TNPW08053K24BYEA.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, matching the environmental and regulatory compliance of the original part.

Q: Which substitute offers the tightest tolerance specification?

A: RG2012V-3241-P-T1 offers ±0.02% tolerance, the tightest specification among all listed substitutes. This part is suitable for precision measurement and calibration applications requiring maximum accuracy.

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