RG2012P-52R3-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-52R3-C-T5 is a 52.3 Ohm ±0.25% thin film chip resistor manufactured by Susumu in 0805 (2012 Metric) package format with 0.125W power rating. This component is rated for automotive applications under AEC-Q200 standard with anti-sulfur coating and operates across -55°C to 155°C temperature range.

The RG2012P-52R3-C-T5 carries an obsolete product status. Equivalent and substitute parts are available from multiple manufacturers with active product status, offering improved tolerance specifications and maintained electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	52.3 Ohms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-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 eligibility for the RG2012P-52R3-C-T5 is determined by the following mandatory parameters:

Electrical Parameters:

Resistance value: 52.3 Ohms (exact match required)
Tolerance: ±0.25% or better (tighter tolerance acceptable)
Power rating: 0.125W minimum (higher power ratings acceptable)
Composition: Thin film

Mechanical Parameters:

Package: 0805 (2012 Metric) form factor
Termination count: 2 terminations
Physical dimensions: 0.079" L × 0.049" W (2.00mm × 1.25mm)

Environmental & Compliance Parameters:

Operating temperature range: -55°C to 155°C minimum
RoHS3 compliance required
Moisture sensitivity level: 1 (Unlimited)

Substitute parts are classified into two categories:

Upgrade Substitutes: Parts with improved tolerance specifications (±0.1% or ±0.05%) while maintaining all other electrical and mechanical parameters. These provide enhanced precision for applications requiring tighter resistance tolerances.

Direct Substitutes: Parts from alternative manufacturers with equivalent electrical specifications and package compatibility. These maintain the same tolerance and power rating as the original component.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range	AEC-Q200	Product Status
RG2012P-52R3-C-T5	Susumu	52.3 Ω	±0.25%	0.125	±25	-55 to 155°C	Yes	Obsolete
RG2012N-52R3-B-T5	Susumu	52.3 Ω	±0.1%	0.125	±10	-55 to 155°C	Yes	Active
RG2012N-52R3-W-T1	Susumu	52.3 Ω	±0.05%	0.125	±10	-55 to 155°C	Yes	Active
RG2012P-52R3-B-T5	Susumu	52.3 Ω	±0.1%	0.125	±25	-55 to 155°C	Yes	Active
RG2012P-52R3-W-T5	Susumu	52.3 Ω	±0.05%	0.125	±25	-55 to 155°C	Yes	Active
9-1625868-6	TE Connectivity Passive Product	52.3 Ω	±0.1%	0.25	±25	-55 to 155°C	No	Active
RT0805CRD0752R3L	YAGEO	52.3 Ω	±0.25%	0.125	±25	-55 to 155°C	No	Active
ERA-6AEB52R3V	Panasonic Electronic Components	52.3 Ω	±0.1%	0.125	±25	-55 to 155°C	Yes	Active
MCU08050D5239BP100	Vishay Beyschlag/Draloric/BC Components	52.3 Ω	±0.1%	0.125	±25	-55 to 125°C	No	Active
RP73D2A52R3BTDF	TE Connectivity Passive Product	52.3 Ω	±0.1%	0.125	±15	-55 to 155°C	No	Active
RT0805BRD0752R3L	YAGEO	52.3 Ω	±0.1%	0.125	±25	-55 to 155°C	No	Active

Engineering Selection Recommendations

Primary Substitutes (Susumu RG Series - Same Manufacturer):

The Susumu RG2012N-52R3-B-T5 and RG2012P-52R3-B-T5 are direct upgrades from the obsolete RG2012P-52R3-C-T5. Both maintain AEC-Q200 automotive rating, anti-sulfur coating, identical package dimensions, and full operating temperature range. The RG2012N-52R3-B-T5 offers improved tolerance (±0.1%) with reduced temperature coefficient (±10ppm/°C). The RG2012P-52R3-W-T5 provides the tightest tolerance (±0.05%) while maintaining the same temperature coefficient as the original part.

Alternative Substitutes (Multi-Manufacturer Options):

For applications requiring AEC-Q200 certification with active product status, the Panasonic ERA-6AEB52R3V provides ±0.1% tolerance with automotive qualification. The YAGEO RT0805BRD0752R3L and RT0805CRD0752R3L offer equivalent electrical specifications with active status and ROHS3 compliance, though without AEC-Q200 rating.

The TE Connectivity 9-1625868-6 provides higher power dissipation (0.25W) if thermal margin is required, with ±0.1% tolerance and active status. The Vishay MCU08050D5239BP100 offers anti-sulfur coating and ±0.1% tolerance but operates to 125°C maximum, limiting use in applications requiring the full -55°C to 155°C range.

Selection Criteria:

For automotive applications requiring maintained AEC-Q200 compliance, select from Susumu RG series upgrades or Panasonic ERA-6AEB52R3V. For general industrial applications where AEC-Q200 is not mandatory, YAGEO RT series or TE Connectivity alternatives provide cost-effective substitution with equivalent electrical performance.

Frequently Asked Questions (FAQ)

Q: Can the RG2012P-52R3-C-T5 be replaced with a part having tighter tolerance?

A: Yes. Parts with ±0.1% or ±0.05% tolerance are direct upgrades and maintain full electrical and mechanical compatibility. Tighter tolerance specifications do not affect form factor, power dissipation, or thermal characteristics.

Q: Is the 9-1625868-6 a suitable substitute despite higher power rating?

A: The 9-1625868-6 is electrically compatible with identical resistance, tolerance, and temperature coefficient. The 0.25W power rating (versus 0.125W original) provides additional thermal margin without affecting circuit operation. However, this part lacks AEC-Q200 certification and should be evaluated for applications where automotive qualification is required.

Q: What is the impact of different temperature coefficients among substitute parts?

A: Temperature coefficient determines resistance drift across the operating temperature range. The original RG2012P-52R3-C-T5 has ±25ppm/°C. Substitutes with lower coefficients (±10ppm/°C or ±15ppm/°C) provide improved stability across temperature extremes. This is beneficial for precision analog circuits but not critical for digital or general-purpose applications.

Q: Can the MCU08050D5239BP100 be used in applications requiring full -55°C to 155°C operation?

A: The MCU08050D5239BP100 operates only to 125°C maximum. It is not suitable for applications requiring the full -55°C to 155°C temperature range specified for the original part. Verify application temperature requirements before selection.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance status. All parts also maintain Moisture Sensitivity Level 1 (Unlimited) rating.

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

A: The RG2012N series offers improved temperature coefficient performance (±10ppm/°C) compared to RG2012P (±25ppm/°C). Both series maintain identical resistance values, package dimensions, and power ratings. Selection between series depends on thermal stability requirements.

Q: Do substitute parts maintain the anti-sulfur coating feature?

A: Susumu RG series upgrades and Vishay MCU series maintain anti-sulfur coating. Panasonic ERA-6AEB52R3V and YAGEO RT series do not specify anti-sulfur coating. For applications in sulfur-rich environments, select Susumu or Vishay alternatives.

Q: Is packaging format identical across all substitute parts?

A: All substitute parts use 0805 (2012 Metric) package with 2 terminations. Physical dimensions are 0.079" L × 0.049" W (2.00mm × 1.25mm). Height variations exist (0.020" to 0.026" seated maximum) but do not affect PCB layout compatibility for standard 0805 footprints.

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