RG2012P-511-W-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-511-W-T1 is a 510 Ohms ±0.05% 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 in harsh environments. The part is currently listed as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

Key Parameters

Parameter	Value
Resistance	510 Ohms
Tolerance	±0.05%
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	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012P-511-W-T1 is determined by the following critical parameters: resistance value (510 Ohms), package type (0805), power rating (0.125W), composition (thin film), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, AEC-Q200 where applicable).

Substitute parts are grouped into three categories:

Direct Substitutes (Identical Electrical Specifications): Parts maintaining 510 Ohms resistance, ±0.05% tolerance, 0.125W power rating, and 0805 package with equivalent or superior temperature coefficient performance.

Upgrade Substitutes (Enhanced Performance): Parts with identical core specifications but improved tolerance (±0.02%), lower temperature coefficient (±5ppm/°C to ±10ppm/°C), or enhanced reliability ratings.

Similar Substitutes (Relaxed Tolerance): Parts meeting resistance, power, and package requirements but with wider tolerance (±0.1%) or different feature sets, suitable for applications where tighter tolerance is not mandatory.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Features	Status
RG2012P-511-W-T1	Susumu	510 Ω	±0.05%	0.125	±25	0805	Anti-Sulfur, AEC-Q200	Obsolete
RG2012P-511-W-T5	Susumu	510 Ω	±0.05%	0.125	±25	0805	Anti-Sulfur, AEC-Q200	Active
RG2012N-511-W-T5	Susumu	510 Ω	±0.05%	0.125	±10	0805	Anti-Sulfur, AEC-Q200	Active
RG2012V-511-P-T1	Susumu	510 Ω	±0.02%	0.125	±5	0805	Anti-Sulfur, AEC-Q200	Active
RG2012V-511-W-T1	Susumu	510 Ω	±0.05%	0.125	±5	0805	Anti-Sulfur, AEC-Q200	Active
RG2012V-511-W-T5	Susumu	510 Ω	±0.05%	0.125	±5	0805	Anti-Sulfur, AEC-Q200	Active
RT0805WRB07510RL	YAGEO	510 Ω	±0.05%	0.125	±10	0805	Thin Film	Active
ERA-6AEB511V	Panasonic Electronic Components	510 Ω	±0.1%	0.125	±25	0805	AEC-Q200	Active

Engineering Selection Recommendations

Primary Recommendation: RG2012P-511-W-T5 (Susumu) serves as the direct replacement for the obsolete RG2012P-511-W-T1. Both parts maintain identical electrical specifications (510 Ohms, ±0.05%, 0.125W) and feature sets (anti-sulfur coating, AEC-Q200 qualification). The primary distinction is packaging format (Tape & Reel vs. alternative packaging) and active product status, ensuring continued availability and supply chain support.

Enhanced Performance Alternative: RG2012V-511-W-T1 or RG2012V-511-W-T5 (Susumu) provide superior temperature coefficient performance (±5ppm/°C versus ±25ppm/°C) while maintaining tolerance and power specifications. These parts are suitable for applications requiring improved thermal stability and long-term accuracy.

Highest Precision Alternative: RG2012V-511-P-T1 (Susumu) offers the tightest tolerance specification (±0.02%) and lowest temperature coefficient (±5ppm/°C), appropriate for precision measurement and calibration circuits where component accuracy is critical.

Cross-Manufacturer Alternative: RT0805WRB07510RL (YAGEO) provides electrical equivalence with ±0.05% tolerance and ±10ppm/°C temperature coefficient. This part lacks anti-sulfur coating and AEC-Q200 automotive qualification; selection requires confirmation that application requirements do not mandate these features.

Relaxed Tolerance Alternative: ERA-6AEB511V (Panasonic Electronic Components) accommodates applications where ±0.1% tolerance is acceptable. This part maintains AEC-Q200 qualification and automotive-grade reliability but exhibits wider tolerance and higher temperature coefficient (±25ppm/°C).

Frequently Asked Questions (FAQ)

Q: Can RG2012P-511-W-T5 directly replace RG2012P-511-W-T1 in existing designs?

A: Yes. Both parts share identical electrical specifications (510 Ohms, ±0.05%, 0.125W), package type (0805), composition (thin film), operating temperature range (-55°C to 155°C), and feature set (anti-sulfur coating, AEC-Q200 qualification). The primary difference is packaging format and product status. Footprint and electrical performance are equivalent.

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

A: The RG2012V series exhibits superior temperature coefficient performance (±5ppm/°C) compared to RG2012P series (±25ppm/°C). Both series maintain identical resistance, tolerance, power rating, and package specifications. Selection depends on application requirements for thermal stability and long-term accuracy.

Q: Is the RT0805WRB07510RL suitable for automotive applications?

A: The RT0805WRB07510RL meets electrical specifications (510 Ohms, ±0.05%, 0.125W, 0805 package) but does not carry AEC-Q200 automotive qualification or anti-sulfur coating. Applications requiring automotive-grade reliability and harsh environment protection should specify Susumu RG series or Panasonic ERA-6AEB511V alternatives.

Q: What is the significance of the tolerance specification (±0.05% vs. ±0.02% vs. ±0.1%)?

A: Tolerance defines the maximum deviation from the nominal 510 Ohm resistance value. ±0.05% tolerance permits ±0.255 Ohm deviation; ±0.02% permits ±0.102 Ohm deviation; ±0.1% permits ±0.51 Ohm deviation. Precision analog circuits, reference networks, and measurement applications require tighter tolerance. General-purpose circuits tolerate wider tolerance.

Q: Can parts with different temperature coefficients be used interchangeably?

A: Temperature coefficient (ppm/°C) specifies resistance change per degree Celsius. Parts with ±5ppm/°C exhibit superior stability across temperature extremes compared to ±25ppm/°C parts. Interchangeability depends on circuit design margins and operating temperature range. Precision circuits benefit from lower temperature coefficient; general applications tolerate higher values.

Q: What does MSL 1 (Unlimited) moisture sensitivity level indicate?

A: MSL 1 indicates the component requires no special moisture protection during storage, handling, or assembly. All substitute parts listed carry MSL 1 rating, confirming compatibility with standard manufacturing processes and storage conditions.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, meeting environmental and hazardous substance restrictions applicable to electronic components in regulated markets.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message