RG2012P-3012-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-3012-C-T5 is a 30.1 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 across -55°C to 155°C operating temperature range.

The RG2012P-3012-C-T5 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications. Substitute components must maintain electrical compatibility while meeting or exceeding the original specifications.

Key Parameters

Parameter	Value
Resistance	30.1 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature	-55°C to 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-3012-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 30.1 kOhms (exact match required)
Package type: 0805 (2012 Metric) (physical and electrical compatibility)
Power rating: 0.125W minimum (1/8W or higher acceptable)
Composition: Thin film (maintains performance characteristics)
Operating temperature range: -55°C to 155°C minimum (full range or equivalent)

Tolerance Considerations: Substitute parts with equal or tighter tolerance (±0.25% or better) maintain or improve circuit performance. Parts with ±0.1% or ±0.05% tolerance provide enhanced precision.

Feature Compatibility:

Anti-sulfur coating: Available in select substitutes; not mandatory for all applications
Automotive AEC-Q200 rating: Available in select substitutes; required for automotive applications
Temperature coefficient: Varies across substitutes (±10ppm/°C to ±25ppm/°C); does not affect basic substitution eligibility

Regulatory Compliance: All substitute parts listed maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Anti-Sulfur	Product Status
RG2012P-3012-C-T5	Susumu	30.1 kΩ	±0.25%	0.125	±25	-55 to 155	Yes	Yes	Obsolete
RG2012N-3012-B-T5	Susumu	30.1 kΩ	±0.1%	0.125	±10	-55 to 155	Yes	Yes	Active
RG2012N-3012-W-T1	Susumu	30.1 kΩ	±0.05%	0.125	±10	-55 to 155	Yes	Yes	Active
RG2012P-3012-B-T5	Susumu	30.1 kΩ	±0.1%	0.125	±25	-55 to 155	Yes	Yes	Active
RG2012P-3012-W-T5	Susumu	30.1 kΩ	±0.05%	0.125	±25	-55 to 155	Yes	Yes	Active
4-2176093-8	TE Connectivity Passive Product	30.1 kΩ	±0.1%	0.25	±25	-55 to 155	No	No	Active
RT0805CRD0730K1L	YAGEO	30.1 kΩ	±0.25%	0.125	±25	-55 to 155	No	No	Active
ERA-6AEB3012V	Panasonic Electronic Components	30.1 kΩ	±0.1%	0.125	±25	-55 to 155	Yes	No	Active
MCU08050D3012BP500	Vishay Beyschlag/Draloric/BC Components	30.1 kΩ	±0.1%	0.125	±25	-55 to 125	No	Yes	Active
RP73D2A30K1BTDF	TE Connectivity Passive Product	30.1 kΩ	±0.1%	0.125	±15	-55 to 155	No	No	Active
RT0805BRD0730K1L	YAGEO	30.1 kΩ	±0.1%	0.125	±25	-55 to 155	No	No	Active

Engineering Selection Recommendations

Primary Substitutes (Susumu RG Series - Same Manufacturer):

The Susumu RG2012P-3012-B-T5 and RG2012N-3012-B-T5 are direct upgrades from the obsolete RG2012P-3012-C-T5. Both maintain identical package, power rating, operating temperature range, and automotive AEC-Q200 qualification. The RG2012P-3012-B-T5 offers improved tolerance (±0.1% versus ±0.25%) while maintaining the same temperature coefficient. The RG2012N-3012-B-T5 provides further improvement with reduced temperature coefficient (±10ppm/°C). Both are active products with substantial inventory availability.

The Susumu RG2012P-3012-W-T5 and RG2012N-3012-W-T1 provide the highest precision options (±0.05% tolerance) within the Susumu RG series, suitable for applications requiring enhanced accuracy.

Secondary Substitutes (Multi-Manufacturer Options):

The Panasonic ERA-6AEB3012V maintains automotive AEC-Q200 qualification and offers ±0.1% tolerance with extensive inventory (46,956 units). This component is suitable for automotive applications requiring equivalent reliability standards.

The YAGEO RT0805BRD0730K1L and RT0805CRD0730K1L provide active alternatives with matching electrical specifications. The RT0805BRD0730K1L offers ±0.1% tolerance, while the RT0805CRD0730K1L matches the original ±0.25% tolerance. Both maintain full operating temperature range (-55°C to 155°C).

The TE Connectivity RP73D2A30K1BTDF provides ±0.1% tolerance with superior temperature coefficient (±15ppm/°C) and full operating temperature range support.

Higher Power Alternative:

The TE Connectivity 4-2176093-8 provides 0.25W (1/4W) power rating, suitable for applications requiring increased power dissipation capacity. This component maintains ±0.1% tolerance and full operating temperature range but does not include automotive AEC-Q200 qualification.

Limited Temperature Range Alternative:

The Vishay MCU08050D3012BP500 provides ±0.1% tolerance and anti-sulfur coating but operates only to 125°C maximum (versus 155°C). This component is suitable for applications with reduced upper temperature requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RG2012P-3012-C-T5 with any 30.1 kOhm resistor?

A: No. Substitutes must maintain the 0805 (2012 Metric) package, 0.125W minimum power rating, thin film composition, and -55°C to 155°C operating temperature range. Tolerance, temperature coefficient, and feature availability vary across substitutes and should be evaluated against specific circuit requirements.

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

A: The RG2012N series provides improved temperature coefficient (±10ppm/°C versus ±25ppm/°C in the RG2012P series). Both series maintain identical package, power rating, and operating temperature range. Selection depends on circuit sensitivity to temperature-induced resistance drift.

Q: Is automotive AEC-Q200 qualification required for my application?

A: AEC-Q200 qualification is mandatory for automotive applications subject to automotive reliability standards. For non-automotive applications, components without AEC-Q200 qualification (such as YAGEO RT series or TE Connectivity RP73 series) are electrically compatible substitutes.

Q: Can I use the TE Connectivity 4-2176093-8 (0.25W) as a direct replacement?

A: The 4-2176093-8 is electrically compatible and maintains all critical parameters except power rating (0.25W versus 0.125W original). Higher power rating does not create compatibility issues in circuits designed for 0.125W operation. However, physical height differs (0.026" versus 0.020" maximum seated height), which may affect PCB layout in space-constrained designs.

Q: What is the impact of tolerance differences on circuit performance?

A: Tighter tolerance (±0.1% or ±0.05%) reduces resistance variation and improves circuit accuracy. Circuits designed with the original ±0.25% tolerance will function correctly with tighter tolerance substitutes. Conversely, substituting with looser tolerance is not recommended.

Q: Are all listed substitutes in active production?

A: All substitutes except the original RG2012P-3012-C-T5 are classified as active products. The original part is obsolete, making substitution necessary for ongoing production and repair applications.

Q: Does temperature coefficient affect basic circuit functionality?

A: Temperature coefficient determines resistance drift across the operating temperature range. Circuits designed with the original ±25ppm/°C specification will function with substitutes featuring lower temperature coefficients (±10ppm/°C or ±15ppm/°C). Lower temperature coefficients improve performance stability across temperature extremes.

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

A: Anti-sulfur coating protects resistor elements from sulfur-induced degradation in harsh environments. This feature is present in Susumu RG series and Vishay MCU series but absent in YAGEO RT series and TE Connectivity RP73 series. Selection depends on environmental exposure requirements.

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

A: Yes. All listed substitutes maintain identical resistance value (30.1 kOhms) and package (0805). Mixing substitutes with different tolerances or temperature coefficients is acceptable from a compatibility standpoint, though circuit design should account for the widest tolerance and temperature coefficient range present in the design.

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