RG2012N-2211-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-2211-C-T5 is a 2.21 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 for direct board-level substitution.

Key Parameters

Parameter	Value
Resistance	2.21 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 ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012N-2211-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 2.21 kOhms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Power rating: Minimum 0.125W (1/8W)
Composition: Thin Film
Automotive qualification: AEC-Q200
Anti-sulfur coating: Required
RoHS3 compliance: Required

Allowable Variation Parameters:

Tolerance: Can be equal to or tighter than ±0.25%
Temperature coefficient: Can be equal to or better than ±10ppm/°C
Operating temperature range: Can be equal to or wider than -55°C ~ 155°C
Packaging format: Tape & Reel (TR) acceptable for obsolete part replacement

All substitute parts listed maintain identical mechanical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and electrical performance within the specified operating envelope.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Status	Packaging
RG2012N-2211-C-T5	Susumu	2.21 kΩ	±0.25%	0.125	±10	-55 ~ 155	Obsolete	Bulk
RG2012N-2211-B-T5	Susumu	2.21 kΩ	±0.1%	0.125	±10	-55 ~ 155	Active	TR
RG2012N-2211-W-T1	Susumu	2.21 kΩ	±0.05%	0.125	±10	-55 ~ 155	Active	TR
RG2012N-2211-W-T5	Susumu	2.21 kΩ	±0.05%	0.125	±10	-55 ~ 155	Active	TR
RG2012V-2211-B-T5	Susumu	2.21 kΩ	±0.1%	0.125	±5	-55 ~ 155	Active	TR
RG2012V-2211-P-T1	Susumu	2.21 kΩ	±0.02%	0.125	±5	-55 ~ 155	Active	TR
RG2012V-2211-W-T1	Susumu	2.21 kΩ	±0.05%	0.125	±5	-55 ~ 155	Active	TR
RG2012V-2211-W-T5	Susumu	2.21 kΩ	±0.05%	0.125	±5	-55 ~ 155	Active	TR
TNPW08052K21BYEA	Vishay Dale	2.21 kΩ	±0.1%	0.26	±10	-55 ~ 175	Active	TR

Engineering Selection Recommendations

Primary Substitutes (Susumu RG Series - Same Manufacturer):

The Susumu RG2012N and RG2012V series parts provide direct functional equivalents with improved or equivalent specifications. All active alternatives are ROHS3 compliant, AEC-Q200 qualified, and feature anti-sulfur coating identical to the original part.

RG2012N Series (±10ppm/°C Temperature Coefficient):

RG2012N-2211-B-T5: Tighter tolerance (±0.1%) with identical temperature coefficient
RG2012N-2211-W-T1 and RG2012N-2211-W-T5: Precision tolerance (±0.05%) for applications requiring enhanced accuracy

RG2012V Series (±5ppm/°C Temperature Coefficient):

RG2012V-2211-B-T5: Enhanced temperature stability (±5ppm/°C) with ±0.1% tolerance
RG2012V-2211-W-T1 and RG2012V-2211-W-T5: Superior temperature coefficient (±5ppm/°C) combined with ±0.05% tolerance for precision applications
RG2012V-2211-P-T1: Highest precision option (±0.02% tolerance, ±5ppm/°C) for critical measurement circuits

Cross-Manufacturer Alternative:

TNPW08052K21BYEA (Vishay Dale TNPW e3 series) provides functional equivalence with increased power rating (0.26W versus 0.125W) and extended operating temperature range (-55°C ~ 175°C). This part maintains AEC-Q200 qualification, anti-sulfur coating, and moisture resistance. Selection of this alternative is appropriate for applications requiring higher thermal margin or extended temperature operation.

Frequently Asked Questions (FAQ)

Q: Can RG2012N-2211-B-T5 directly replace RG2012N-2211-C-T5?

A: Yes. RG2012N-2211-B-T5 is a direct functional replacement. It maintains identical resistance (2.21 kOhms), power rating (0.125W), package (0805), and temperature coefficient (±10ppm/°C). The tolerance is tighter (±0.1% versus ±0.25%), which is compatible with all applications designed for the original part. Both parts are Susumu RG series with AEC-Q200 qualification and anti-sulfur coating.

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

A: The primary difference is temperature coefficient. RG2012N series has ±10ppm/°C temperature coefficient, while RG2012V series has ±5ppm/°C. The RG2012V series provides superior temperature stability for precision analog circuits. Both series share identical resistance values, power ratings, package dimensions, and AEC-Q200 qualification.

Q: Can I use TNPW08052K21BYEA as a substitute?

A: Yes, with engineering consideration. TNPW08052K21BYEA is functionally compatible with identical resistance (2.21 kOhms), package (0805), and tolerance (±0.1%). However, it has higher power rating (0.26W versus 0.125W) and extended operating temperature range (-55°C ~ 175°C). This part is manufactured by Vishay Dale and maintains AEC-Q200 qualification and anti-sulfur coating. Use this alternative when higher power dissipation capability or extended temperature operation is required.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All active substitute parts listed are supplied in Tape & Reel (TR) packaging, which is standard for production assembly. The original RG2012N-2211-C-T5 was supplied in bulk packaging but is now obsolete. Tape & Reel format is compatible with automated pick-and-place assembly equipment.

Q: Do all substitute parts meet automotive qualification requirements?

A: Yes. All substitute parts carry AEC-Q200 automotive qualification, anti-sulfur coating, and ROHS3 compliance. Operating temperature ranges are -55°C ~ 155°C (Susumu RG series) or -55°C ~ 175°C (Vishay Dale TNPW series), meeting automotive environmental specifications.

Q: Which substitute offers the best tolerance specification?

A: RG2012V-2211-P-T1 offers the tightest tolerance at ±0.02%, combined with superior temperature coefficient (±5ppm/°C). This part is specified for precision measurement and calibration circuits where component accuracy directly impacts system performance.

Q: Can I mix different substitute parts in the same circuit board?

A: Yes. All substitute parts maintain identical electrical characteristics (2.21 kOhms resistance, 0.125W minimum power rating) and mechanical compatibility (0805 package). Mixing parts from different tolerance grades or manufacturers is permissible provided the circuit design accommodates the tolerance stack-up of the least precise component used.

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