RG2012P-301-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-301-C-T5 is a 300 Ohm ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in harsh environments with operating temperature range from -55°C to 155°C.

The RG2012P-301-C-T5 is classified as obsolete. Equivalent and substitute parts are available from the same manufacturer (Susumu) and alternative suppliers (YAGEO, Panasonic Electronic Components) that maintain identical or superior electrical and mechanical specifications while offering active product status and improved availability.

Key Parameters

Parameter	Value
Resistance	300 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-301-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 300 Ohms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Operating temperature range: -55°C ~ 155°C minimum (equal or wider acceptable)
Composition: Thin Film (exact match required)

Allowable Variation Parameters:

Tolerance: ±0.25% or tighter (lower tolerance values are acceptable upgrades)
Temperature coefficient: ±25ppm/°C or lower (lower values are acceptable upgrades)
Automotive AEC-Q200 rating: Present in original; maintained in all substitute options

Substitute parts are grouped into two categories:

Upgrade Substitutes (Susumu RG Series): Parts with improved tolerance (±0.1%, ±0.05%, ±0.02%) and/or lower temperature coefficient (±10ppm/°C, ±5ppm/°C) while maintaining identical package, resistance, power rating, and operating temperature range. All remain AEC-Q200 qualified with active product status.

Direct Substitute (YAGEO RT0805CRD07300RL): Identical electrical specifications (300 Ohms ±0.25%, ±25ppm/°C) with matching package and power rating. Active product status with equivalent thin film construction.

Upgrade Substitute (Panasonic ERA-6AEB301V): Improved tolerance (±0.1%) with identical package, resistance, power rating, and operating temperature range. AEC-Q200 qualified with active product status.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Op Temp Range	AEC-Q200	Product Status
RG2012P-301-C-T5	Susumu	300 Ω	±0.25%	0.125	±25	0805	-55 ~ 155°C	Yes	Obsolete
RG2012N-301-B-T5	Susumu	300 Ω	±0.1%	0.125	±10	0805	-55 ~ 155°C	Yes	Active
RG2012N-301-W-T5	Susumu	300 Ω	±0.05%	0.125	±10	0805	-55 ~ 155°C	Yes	Active
RG2012P-301-B-T5	Susumu	300 Ω	±0.1%	0.125	±25	0805	-55 ~ 155°C	Yes	Active
RG2012P-301-W-T5	Susumu	300 Ω	±0.05%	0.125	±25	0805	-55 ~ 155°C	Yes	Active
RG2012V-301-B-T5	Susumu	300 Ω	±0.1%	0.125	±5	0805	-55 ~ 155°C	Yes	Active
RG2012V-301-P-T1	Susumu	300 Ω	±0.02%	0.125	±5	0805	-55 ~ 155°C	Yes	Active
RG2012V-301-W-T1	Susumu	300 Ω	±0.05%	0.125	±5	0805	-55 ~ 155°C	Yes	Active
RG2012V-301-W-T5	Susumu	300 Ω	±0.05%	0.125	±5	0805	-55 ~ 155°C	Yes	Active
RT0805CRD07300RL	YAGEO	300 Ω	±0.25%	0.125	±25	0805	-55 ~ 155°C	No	Active
ERA-6AEB301V	Panasonic Electronic Components	300 Ω	±0.1%	0.125	±25	0805	-55 ~ 155°C	Yes	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

The RT0805CRD07300RL from YAGEO provides electrical and mechanical equivalence to the RG2012P-301-C-T5 with identical 300 Ohm resistance, ±0.25% tolerance, ±25ppm/°C temperature coefficient, and 0805 package. This part is active and ROHS3 compliant. However, the RT0805CRD07300RL does not carry AEC-Q200 automotive qualification. Selection of this part is appropriate for non-automotive applications or where automotive qualification is not required.

For Automotive Applications with Enhanced Performance:

The ERA-6AEB301V from Panasonic Electronic Components is recommended for automotive applications requiring AEC-Q200 qualification. This part maintains the 300 Ohm resistance, 0805 package, and operating temperature range while providing improved tolerance (±0.1%) compared to the original specification. The part is active with full ROHS3 compliance and unlimited moisture sensitivity rating.

For Susumu RG Series Continuity:

Within the Susumu RG series, the RG2012P-301-B-T5 provides the closest functional replacement with improved tolerance (±0.1%) while maintaining the same temperature coefficient (±25ppm/°C) as the original part. This part is active with 29,797 units in stock, ensuring supply continuity. All RG series substitutes maintain anti-sulfur coating and AEC-Q200 qualification.

For Enhanced Precision Applications:

The RG2012V series (RG2012V-301-B-T5, RG2012V-301-W-T1, RG2012V-301-W-T5, RG2012V-301-P-T1) offers superior temperature stability with ±5ppm/°C coefficient and tolerance options ranging from ±0.1% to ±0.02%. These parts are suitable for precision measurement and signal conditioning circuits where temperature drift must be minimized.

Frequently Asked Questions (FAQ)

Q: Can the RG2012P-301-C-T5 be replaced with the RT0805CRD07300RL?

A: Yes, the RT0805CRD07300RL provides electrical and mechanical equivalence with identical 300 Ohm resistance, ±0.25% tolerance, and 0805 package. Both parts operate across -55°C to 155°C. The primary difference is that RT0805CRD07300RL does not carry AEC-Q200 automotive qualification. Use this substitute only in applications where automotive qualification is not required.

Q: What is the difference between the Susumu RG2012P and RG2012V series?

A: Both series are thin film 0805 chip resistors with identical package and power rating. The primary difference is temperature coefficient: RG2012P series has ±25ppm/°C while RG2012V series has ±5ppm/°C. The RG2012V series provides superior temperature stability for precision applications. Both series maintain AEC-Q200 qualification and anti-sulfur coating.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all substitute parts listed are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). All parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: Can I use a substitute part with tighter tolerance than the original specification?

A: Yes. Parts with tighter tolerance (lower percentage value) are acceptable substitutes. For example, the RG2012P-301-W-T5 with ±0.05% tolerance can replace the original ±0.25% specification. Tighter tolerance provides improved accuracy without compromising circuit function.

Q: What is the significance of the temperature coefficient difference?

A: Temperature coefficient indicates how much the resistance value changes with temperature. The original RG2012P-301-C-T5 has ±25ppm/°C, meaning resistance changes by up to 25 parts per million per degree Celsius. The RG2012V series with ±5ppm/°C provides five times better temperature stability. For precision circuits operating across wide temperature ranges, lower temperature coefficient reduces drift-related errors.

Q: Is the Panasonic ERA-6AEB301V suitable for automotive applications?

A: Yes, the ERA-6AEB301V carries AEC-Q200 automotive qualification and is suitable for automotive applications. It provides improved tolerance (±0.1%) compared to the original specification while maintaining identical package, resistance value, and operating temperature range.

Q: What is the difference between tape and reel packaging and the original packaging?

A: The original RG2012P-301-C-T5 uses standard packaging. All substitute parts listed use Tape & Reel (TR) packaging, which is standard for high-volume surface mount assembly. Tape & Reel packaging is compatible with automated pick-and-place equipment and provides equivalent component performance.

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

A: Yes, all substitute parts meet the same electrical and mechanical specifications for the 300 Ohm 0805 thin film resistor category. Mixing parts from different manufacturers or tolerance grades is acceptable provided the circuit design accounts for the tolerance stack-up across all resistors.

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