RG2012P-90R9-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-90R9-C-T5 is a 90.9 Ohms ±0.25% thin film chip resistor manufactured by Susumu in 0805 (2012 Metric) package format with 0.125W (1/8W) power rating. This component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications across -55°C to 155°C operating temperature range.

The RG2012P-90R9-C-T5 is classified as obsolete. Equivalent and substitute parts are available from multiple manufacturers with identical or improved electrical and mechanical specifications, enabling direct replacement in existing designs or new production applications.

Key Parameters

Parameter	Value
Resistance	90.9 Ohms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°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 RG2012P-90R9-C-T5 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 90.9 Ohms
Package / Case: 0805 (2012 Metric)
Power rating: 0.125W (1/8W) minimum
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C minimum

Acceptable Variation Parameters:

Tolerance: ±0.25% or tighter (±0.1%, ±0.05%)
Temperature coefficient: ±25ppm/°C or lower
Automotive qualification: AEC-Q200 preferred but not mandatory for all substitutes
Packaging format: Tape & Reel (TR) acceptable for production environments

Substitute parts are grouped into three categories:

Upgrade Substitutes (Improved Tolerance): Parts with tighter tolerance specifications (±0.1% or ±0.05%) while maintaining identical mechanical and thermal characteristics. These include RG2012N-90R9-B-T5, RG2012N-90R9-W-T1, RG2012P-90R9-B-T5, and RG2012P-90R9-W-T5 from Susumu, plus ERA-6AEB90R9V from Panasonic, RT0805BRD0790R9L from YAGEO, MCU08050D9099BP100 from Vishay Beyschlag, and RP73D2A90R9BTDF from TE Connectivity.

Direct Substitutes (Equivalent Specifications): Parts with matching tolerance and electrical characteristics. RT0805CRD0790R9L from YAGEO provides direct equivalence with identical ±0.25% tolerance.

Higher Power Rating Substitute: 2-2176091-0 from TE Connectivity offers 0.25W (1/4W) power rating in the same 0805 package, suitable for applications requiring increased power dissipation margin.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff (ppm/°C)	Operating Temp Range	Package	AEC-Q200	Product Status
RG2012P-90R9-C-T5	Susumu	90.9 Ω	±0.25%	0.125	±25	-55 ~ 155°C	0805	Yes	Obsolete
RG2012N-90R9-B-T5	Susumu	90.9 Ω	±0.1%	0.125	±10	-55 ~ 155°C	0805	Yes	Active
RG2012N-90R9-W-T1	Susumu	90.9 Ω	±0.05%	0.125	±10	-55 ~ 155°C	0805	Yes	Active
RG2012P-90R9-B-T5	Susumu	90.9 Ω	±0.1%	0.125	±25	-55 ~ 155°C	0805	Yes	Active
RG2012P-90R9-W-T5	Susumu	90.9 Ω	±0.05%	0.125	±25	-55 ~ 155°C	0805	Yes	Active
2-2176091-0	TE Connectivity Passive Product	90.9 Ω	±0.1%	0.25	±25	-55 ~ 155°C	0805	No	Active
RT0805CRD0790R9L	YAGEO	90.9 Ω	±0.25%	0.125	±25	-55 ~ 155°C	0805	No	Active
ERA-6AEB90R9V	Panasonic Electronic Components	90.9 Ω	±0.1%	0.125	±25	-55 ~ 155°C	0805	Yes	Active
MCU08050D9099BP100	Vishay Beyschlag/Draloric/BC Components	90.9 Ω	±0.1%	0.125	±25	-55 ~ 125°C	0805	No	Active
RP73D2A90R9BTDF	TE Connectivity Passive Product	90.9 Ω	±0.1%	0.125	±15	-55 ~ 155°C	0805	No	Active
RT0805BRD0790R9L	YAGEO	90.9 Ω	±0.1%	0.125	±25	-55 ~ 155°C	0805	No	Active

Engineering Selection Recommendations

For Automotive AEC-Q200 Applications: Select from Susumu RG series (RG2012N-90R9-B-T5, RG2012N-90R9-W-T1, RG2012P-90R9-B-T5, RG2012P-90R9-W-T5) or Panasonic ERA-6AEB90R9V. These components maintain automotive qualification equivalent to the original RG2012P-90R9-C-T5 and are actively produced.

For Improved Tolerance Requirements: RG2012N-90R9-W-T1 (±0.05% tolerance) or RG2012P-90R9-W-T5 (±0.05% tolerance) provide the tightest tolerance specifications. Both are Susumu products with active production status and AEC-Q200 qualification.

For Non-Automotive Applications with Active Production: RT0805CRD0790R9L from YAGEO provides direct electrical equivalence with ±0.25% tolerance matching the original part. RT0805BRD0790R9L offers improved ±0.1% tolerance. Both are actively produced.

For Increased Power Dissipation Margin: 2-2176091-0 from TE Connectivity provides 0.25W (1/4W) power rating in identical 0805 package, suitable for designs requiring additional thermal headroom.

For Temperature Coefficient Optimization: RP73D2A90R9BTDF from TE Connectivity features ±15ppm/°C temperature coefficient, lower than the original ±25ppm/°C specification, improving stability across the -55°C to 155°C operating range.

Compliance Verification: All substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) rating. MCU08050D9099BP100 operates to 125°C maximum, which is below the original 155°C specification and requires verification for applications requiring full temperature range operation.

Frequently Asked Questions (FAQ)

Q: Can RT0805CRD0790R9L directly replace RG2012P-90R9-C-T5?

A: Yes. RT0805CRD0790R9L from YAGEO provides direct electrical and mechanical equivalence with identical 90.9 Ohms ±0.25% tolerance, 0.125W power rating, and 0805 package. Both components operate across -55°C to 155°C and feature ±25ppm/°C temperature coefficient. The primary difference is manufacturer and lack of automotive AEC-Q200 qualification on the YAGEO part.

Q: What is the difference between RG2012N and RG2012P series?

A: Both Susumu RG2012N and RG2012P series are thin film 0805 resistors with identical mechanical dimensions and operating temperature range. The primary distinction is temperature coefficient: RG2012N series features ±10ppm/°C while RG2012P series features ±25ppm/°C. Both series offer multiple tolerance grades (±0.05%, ±0.1%, ±0.25%).

Q: Is 2-2176091-0 suitable as a direct replacement?

A: 2-2176091-0 from TE Connectivity is mechanically and electrically compatible with identical 90.9 Ohms resistance, ±0.1% tolerance, and 0805 package. The key difference is increased power rating of 0.25W (1/4W) versus the original 0.125W (1/8W). This higher power rating does not prevent direct substitution but results in a slightly larger component height (0.026" versus 0.020" maximum seated height). Verify PCB layout clearance before implementation.

Q: Which substitute offers the best tolerance specification?

A: RG2012N-90R9-W-T1 and RG2012P-90R9-W-T5 both provide ±0.05% tolerance, the tightest specification available among all substitutes. RG2012N-90R9-W-T1 additionally features improved ±10ppm/°C temperature coefficient. Both are Susumu products with active production status and AEC-Q200 automotive qualification.

Q: Does MCU08050D9099BP100 have any operating temperature limitations?

A: MCU08050D9099BP100 from Vishay Beyschlag operates across -55°C to 125°C, which is 30°C below the original RG2012P-90R9-C-T5 specification of -55°C to 155°C. This part is unsuitable for applications requiring operation above 125°C. Verify application temperature requirements before selection.

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

A: Yes. All substitute parts listed are available in Tape & Reel (TR) packaging format suitable for automated assembly and production environments. The original RG2012P-90R9-C-T5 packaging format is not specified in available data.

Q: Which substitutes maintain automotive AEC-Q200 qualification?

A: Susumu RG series parts (RG2012N-90R9-B-T5, RG2012N-90R9-W-T1, RG2012P-90R9-B-T5, RG2012P-90R9-W-T5) and Panasonic ERA-6AEB90R9V maintain AEC-Q200 automotive qualification equivalent to the original RG2012P-90R9-C-T5. YAGEO RT series, TE Connectivity 2-2176091-0 and RP73D2A90R9BTDF, and Vishay MCU08050D9099BP100 do not carry AEC-Q200 certification.

Q: What is the significance of anti-sulfur coating?

A: Anti-sulfur coating protects resistor terminations from sulfur-induced corrosion in high-reliability and automotive applications. The original RG2012P-90R9-C-T5 and Susumu RG series substitutes feature anti-sulfur coating. Panasonic ERA-6AEB90R9V and Vishay MCU08050D9099BP100 also include anti-sulfur protection. YAGEO RT series and TE Connectivity parts do not specify anti-sulfur features.

Q: Can substitute parts be mixed in the same production batch?

A: All substitute parts meet identical electrical specifications (90.9 Ohms, 0.125W, 0805 package, -55°C to 155°C operation) and ROHS3 compliance. However, mixing manufacturers in the same production batch introduces supply chain complexity and potential reliability variations. Standardize on a single substitute part number for consistency.

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