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RG2012P-52R3-B-T1 Equivalent & Substitute Parts
Part Overview
The RG2012P-52R3-B-T1 is a 52.3 Ohm ±0.1% 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 with a temperature coefficient of ±25ppm/°C and operating range of -55°C to 155°C. The part is currently obsolete, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility for ongoing production and repair applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 52.3 Ohms |
| Tolerance | ±0.1% |
| 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 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the RG2012P-52R3-B-T1 is determined by the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 52.3 Ohms
- Package type: 0805 (2012 Metric)
- Composition: Thin Film
- Tolerance: ±0.1% or tighter
- Power rating: Equal to or greater than 0.125W
- Operating temperature range: Must encompass -55°C to 155°C or higher
- RoHS3 compliance
Acceptable Variation Parameters:
- Temperature coefficient: ±25ppm/°C or tighter (lower values represent improved stability)
- Packaging format: Tape & Reel acceptable for direct substitution
- Manufacturer: Different manufacturers acceptable if all electrical and mechanical parameters align
- Additional features: Anti-sulfur coating and AEC-Q200 rating are beneficial but not mandatory for basic electrical substitution
Substitute parts are grouped into two categories: direct equivalents (identical specifications) and upgrades (enhanced specifications such as tighter tolerance or improved temperature coefficient).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Temp Range (°C) | Package | Status | AEC-Q200 |
|---|---|---|---|---|---|---|---|---|---|
| RG2012P-52R3-B-T1 | Susumu | 52.3 Ω | ±0.1% | 0.125 | ±25 | -55 to 155 | 0805 | Obsolete | Yes |
| RG2012P-52R3-B-T5 | Susumu | 52.3 Ω | ±0.1% | 0.125 | ±25 | -55 to 155 | 0805 | Active | Yes |
| RG2012N-52R3-B-T5 | Susumu | 52.3 Ω | ±0.1% | 0.125 | ±10 | -55 to 155 | 0805 | Active | Yes |
| RG2012N-52R3-W-T1 | Susumu | 52.3 Ω | ±0.05% | 0.125 | ±10 | -55 to 155 | 0805 | Active | Yes |
| RG2012P-52R3-W-T5 | Susumu | 52.3 Ω | ±0.05% | 0.125 | ±25 | -55 to 155 | 0805 | Active | Yes |
| 9-1625868-6 | TE Connectivity | 52.3 Ω | ±0.1% | 0.25 | ±25 | -55 to 155 | 0805 | Active | No |
| ERA-6AEB52R3V | Panasonic | 52.3 Ω | ±0.1% | 0.125 | ±25 | -55 to 155 | 0805 | Active | Yes |
| MCU08050D5239BP100 | Vishay Beyschlag | 52.3 Ω | ±0.1% | 0.125 | ±25 | -55 to 125 | 0805 | Active | No |
| RT0805BRD0752R3L | YAGEO | 52.3 Ω | ±0.1% | 0.125 | ±25 | -55 to 155 | 0805 | Active | No |
| TNPW080552R3BEEA | Vishay Dale | 52.3 Ω | ±0.1% | 0.26 | ±25 | -55 to 175 | 0805 | Active | Yes |
| TNPW080552R3BEEN | Vishay Dale | 52.3 Ω | ±0.1% | 0.26 | ±25 | -55 to 175 | 0805 | Active | Yes |
Engineering Selection Recommendations
Direct Equivalent (Susumu RG Series): RG2012P-52R3-B-T5 is the direct equivalent replacement for the obsolete RG2012P-52R3-B-T1. Both parts share identical electrical specifications, packaging, and AEC-Q200 automotive qualification. The primary difference is product status (active vs. obsolete) and packaging format (Tape & Reel vs. bulk). This part is recommended for direct substitution in existing designs.
Upgraded Alternatives (Susumu RG Series): RG2012N-52R3-B-T5 and RG2012N-52R3-W-T1 offer improved temperature coefficient performance (±10ppm/°C vs. ±25ppm/°C), with the latter providing tighter tolerance (±0.05% vs. ±0.1%). RG2012P-52R3-W-T5 provides ±0.05% tolerance while maintaining the original ±25ppm/°C temperature coefficient. These upgrades are suitable for applications requiring enhanced precision and thermal stability.
Cross-Manufacturer Alternatives: ERA-6AEB52R3V (Panasonic) and RT0805BRD0752R3L (YAGEO) provide electrically equivalent substitutes with full AEC-Q200 qualification and matching operating temperature range (-55°C to 155°C). TNPW080552R3BEEA and TNPW080552R3BEEN (Vishay Dale) offer enhanced power rating (0.26W vs. 0.125W) and extended temperature range (-55°C to 175°C) with AEC-Q200 qualification, suitable for applications with higher thermal margins.
Limited Compatibility Alternatives: MCU08050D5239BP100 (Vishay Beyschlag) is electrically compatible but operates only to 125°C, limiting use in applications requiring the full -55°C to 155°C range. 9-1625868-6 (TE Connectivity) provides higher power rating (0.25W) but lacks AEC-Q200 qualification.
Frequently Asked Questions (FAQ)
Q: Can RG2012P-52R3-B-T5 be used as a direct replacement for RG2012P-52R3-B-T1?
A: Yes. RG2012P-52R3-B-T5 is a direct equivalent with identical electrical specifications (52.3 Ω ±0.1%, 0.125W, ±25ppm/°C, -55°C to 155°C) and AEC-Q200 qualification. The only difference is packaging format (Tape & Reel vs. bulk) and active product status.
Q: What is the difference between RG2012P and RG2012N series?
A: The RG2012N series features a tighter temperature coefficient (±10ppm/°C) compared to RG2012P (±25ppm/°C), providing improved thermal stability. Both series maintain identical resistance, tolerance, power rating, and package specifications.
Q: Can I use ERA-6AEB52R3V or RT0805BRD0752R3L as substitutes?
A: Yes. Both parts are electrically and mechanically compatible with identical 52.3 Ω ±0.1% specifications, 0.125W power rating, and -55°C to 155°C operating range. ERA-6AEB52R3V includes AEC-Q200 qualification; RT0805BRD0752R3L does not. Both are in active production.
Q: Why would I choose TNPW080552R3BEEA over other alternatives?
A: TNPW080552R3BEEA offers higher power dissipation (0.26W vs. 0.125W), extended temperature range (-55°C to 175°C vs. -55°C to 155°C), AEC-Q200 qualification, anti-sulfur coating, and moisture-resistant construction. These features provide enhanced reliability margins for demanding automotive applications.
Q: Is MCU08050D5239BP100 suitable for all applications?
A: MCU08050D5239BP100 is electrically compatible but has a limited operating temperature range (-55°C to 125°C). It is not suitable for applications requiring operation above 125°C or the full -55°C to 155°C range of the original part.
Q: What does ±0.05% tolerance mean compared to ±0.1%?
A: ±0.05% tolerance (RG2012N-52R3-W-T1 and RG2012P-52R3-W-T5) provides tighter resistance accuracy than ±0.1%. For a 52.3 Ω resistor, ±0.05% tolerance allows ±0.026 Ω variation versus ±0.052 Ω for ±0.1%. This is beneficial for precision analog circuits and measurement applications.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts are RoHS3 compliant with Moisture Sensitivity Level 1 (unlimited shelf life). All parts are suitable for lead-free soldering processes.
Q: Can I mix different manufacturers in the same assembly?
A: Yes. All substitute parts meet identical electrical specifications (52.3 Ω ±0.1%, 0.125W, 0805 package) and are mechanically interchangeable. Different manufacturers can be used in the same assembly without functional impact, provided all parts meet the required specifications for the application.
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