RG2012P-5231-W-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-5231-W-T1 is a 5.23 kOhms ±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 requiring precision resistance values and tight tolerance specifications.

The RG2012P-5231-W-T1 is classified as obsolete. Equivalent and substitute parts are available from Susumu's active product lines and from alternative manufacturers, providing direct functional replacements with identical or enhanced electrical characteristics.

Substiute Parts

RG2012P-5231-W-T1

SusumuIn Stock: 880RG2012P-5231-W-T1 Datasheet

Current PartRFQ

RG2012P-5231-W-T5

SusumuIn Stock: 752RG2012P-5231-W-T5 Datasheet

DirectRFQ

RG2012N-5231-W-T1

SusumuIn Stock: 938RG2012N-5231-W-T1 Datasheet

UpgradeRFQ

RG2012V-5231-P-T1

SusumuIn Stock: 859RG2012V-5231-P-T1 Datasheet

UpgradeRFQ

RG2012V-5231-W-T1

SusumuIn Stock: 948RG2012V-5231-W-T1 Datasheet

UpgradeRFQ

RG2012V-5231-W-T5

SusumuIn Stock: 816RG2012V-5231-W-T5 Datasheet

UpgradeRFQ

ERA-6AEB5231V

Panasonic Electronic ComponentsIn Stock: 15858ERA-6AEB5231V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RG2012P-5231-W-T1 is determined by the following critical parameters:

Primary Substitution Criteria:

• Resistance value: 5.23 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Power rating: 0.125W (1/8W) (exact match required)
• Composition: Thin Film (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match or wider range acceptable)
• Automotive AEC-Q200 qualification (required for automotive applications)
• RoHS3 compliance (required for regulatory conformance)

Secondary Substitution Parameters:

• Tolerance: ±0.05% or tighter (tighter tolerance acceptable as upgrade)
• Temperature coefficient: ±25ppm/°C or lower (lower coefficient acceptable as upgrade)
• Packaging format: Tape & Reel (TR) acceptable for production environments; original part uses unspecified packaging

Substitute parts are grouped into two categories:

Direct Equivalents (Susumu RG Series): Parts with identical electrical specifications and packaging, differing only in packaging format or temperature coefficient performance.

Upgraded Alternatives (Susumu RG Series): Parts with enhanced tolerance or temperature coefficient specifications, providing superior performance while maintaining full backward compatibility.

Cross-Manufacturer Alternative (Panasonic ERA-6A Series): Part with identical package, resistance, power rating, and automotive qualification, with tolerance specification of ±0.1% (wider than original specification).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

RG2012P-5231-W-T5 is the primary direct equivalent. This part maintains all electrical specifications of the obsolete RG2012P-5231-W-T1, including ±0.05% tolerance and ±25ppm/°C temperature coefficient. The only difference is packaging format (Tape & Reel), which is standard for production environments. This part is active and carries full Susumu automotive AEC-Q200 qualification and ROHS3 compliance.

For Enhanced Performance (Upgraded Specifications):

RG2012V-5231-W-T1 and RG2012V-5231-W-T5 provide superior temperature stability with ±5ppm/°C coefficient while maintaining the ±0.05% tolerance specification. Both parts are active, AEC-Q200 qualified, and ROHS3 compliant. These upgrades are suitable for applications requiring improved thermal performance without design modification.

RG2012N-5231-W-T1 offers intermediate performance with ±10ppm/°C temperature coefficient and ±0.05% tolerance, providing a balance between the original specification and the V-series upgrades.

RG2012V-5231-P-T1 provides the highest precision with ±0.02% tolerance and ±5ppm/°C temperature coefficient, suitable for applications requiring tighter tolerance control.

For Cross-Manufacturer Substitution:

ERA-6AEB5231V (Panasonic) is functionally compatible with identical package, resistance value, power rating, and automotive AEC-Q200 qualification. The tolerance specification is ±0.1%, which is wider than the original ±0.05%. This part is suitable for applications where the wider tolerance is acceptable. Panasonic ERA-6A series does not feature anti-sulfur coating; verify environmental requirements before selection.

All recommended substitutes maintain the 0805 package format, -55°C ~ 155°C operating temperature range, and ROHS3 compliance required for regulatory conformance.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-5231-W-T5 be used as a direct replacement for RG2012P-5231-W-T1?

A: Yes. RG2012P-5231-W-T5 is electrically and mechanically identical to RG2012P-5231-W-T1. The difference is packaging format (Tape & Reel versus the original unspecified format). Both parts have identical resistance (5.23 kOhms), tolerance (±0.05%), power rating (0.125W), temperature coefficient (±25ppm/°C), and package dimensions (0805). Both are AEC-Q200 qualified and ROHS3 compliant.

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

A: The primary difference is temperature coefficient performance. RG2012P series has ±25ppm/°C, while RG2012V series has ±5ppm/°C. The V-series provides superior thermal stability. All other electrical parameters (resistance, tolerance, power rating, package) remain identical. Both series are anti-sulfur and AEC-Q200 qualified.

Q: Can I use RG2012V-5231-P-T1 instead of RG2012P-5231-W-T1?

A: Yes. RG2012V-5231-P-T1 is a compatible upgrade with tighter tolerance (±0.02% versus ±0.05%) and superior temperature coefficient (±5ppm/°C versus ±25ppm/°C). The package, resistance value, power rating, and operating temperature range are identical. This part provides enhanced performance for precision applications.

Q: Is the Panasonic ERA-6AEB5231V a suitable substitute?

A: ERA-6AEB5231V is mechanically and functionally compatible with identical package (0805), resistance (5.23 kOhms), power rating (0.125W), and automotive AEC-Q200 qualification. The tolerance specification is ±0.1%, which is wider than the original ±0.05%. This part lacks anti-sulfur coating; verify that your application environment does not require this feature. The part is suitable for applications where the wider tolerance is acceptable.

Q: What does the "T1" and "T5" designation mean in Susumu part numbers?

A: The T-suffix indicates packaging tape specification. T1 and T5 refer to different tape configurations used in automated assembly equipment. Both are Tape & Reel formats suitable for production environments. Selection between T1 and T5 depends on your assembly equipment compatibility, not electrical performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All Susumu RG series substitutes (RG2012P-5231-W-T5, RG2012N-5231-W-T1, RG2012V-5231-P-T1, RG2012V-5231-W-T1, RG2012V-5231-W-T5) and the Panasonic ERA-6AEB5231V are ROHS3 compliant. All parts have Moisture Sensitivity Level 1 (Unlimited).

Q: What is the physical size difference between the original part and substitutes?

A: All substitute parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). The Panasonic ERA-6AEB5231V has a maximum seated height of 0.024" (0.60mm) compared to 0.020" (0.50mm) for Susumu parts. This 0.004" difference is within standard PCB assembly tolerances and does not affect compatibility.

Q: Can I substitute the RG2012P-5231-W-T1 with a lower-cost alternative?

A: All active substitutes maintain automotive AEC-Q200 qualification and ROHS3 compliance. Selection should be based on electrical performance requirements (tolerance and temperature coefficient) rather than cost alone. RG2012P-5231-W-T5 provides identical specifications at active product status. The Panasonic ERA-6AEB5231V offers wider tolerance (±0.1%) and may be suitable if your application permits this specification.