RG2012P-1211-D-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-1211-D-T5 is a 1.21 kOhms ±0.5% thin film chip resistor manufactured by Susumu in 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation and features anti-sulfur coating with automotive AEC-Q200 qualification. The part is active in production status with 919 pieces currently in stock. Equivalent and substitute parts are identified when design requirements permit tolerance relaxation, tolerance tightening, power rating increases, or manufacturer substitution while maintaining core electrical and mechanical compatibility.

Substiute Parts

RG2012P-1211-D-T5

SusumuIn Stock: 932RG2012P-1211-D-T5 Datasheet

Current PartRFQ

RG2012N-1211-W-T1

SusumuIn Stock: 2067RG2012N-1211-W-T1 Datasheet

UpgradeRFQ

RG2012P-1211-B-T5

SusumuIn Stock: 64545RG2012P-1211-B-T5 Datasheet

UpgradeRFQ

RP73PF2A1K21BTDF

TE Connectivity Passive ProductIn Stock: 1369RP73PF2A1K21BTDF Datasheet

DirectRFQ

ERA-6AEB1211V

Panasonic Electronic ComponentsIn Stock: 8197ERA-6AEB1211V Datasheet

UpgradeRFQ

RT0805BRD071K21L

YAGEOIn Stock: 5928RT0805BRD071K21L Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RG2012P-1211-D-T5 is determined by the following criteria:

Electrical Parameters:

• Resistance value must equal 1.21 kOhms
• Tolerance must be equal to or tighter than ±0.5%
• Power rating must be equal to or greater than 0.125W
• Temperature coefficient must be within ±25ppm/°C or better
• Operating temperature range must encompass -55°C ~ 155°C

Mechanical Parameters:

• Package must be 0805 (2012 Metric)
• Physical dimensions must be compatible with 0805 footprint
• Number of terminations must be 2

Compliance Parameters:

• RoHS3 compliance required
• Moisture Sensitivity Level 1 acceptable
• Automotive AEC-Q200 qualification preferred but not mandatory for direct substitution

Substitute parts are grouped into two categories: Upgrade parts offer improved tolerance or power rating specifications, and Direct parts provide equivalent functionality from alternative manufacturers.

Parameter Comparison

Engineering Selection Recommendations

RG2012N-1211-W-T1 (Susumu): This upgrade substitute offers tighter tolerance (±0.05% versus ±0.5%) and improved temperature coefficient (±10ppm/°C versus ±25ppm/°C). Maintains identical power rating, package, and AEC-Q200 automotive qualification. Suitable for applications requiring enhanced precision and thermal stability. Higher inventory availability (2011 pcs) supports production requirements.

RG2012P-1211-B-T5 (Susumu): This upgrade substitute provides tighter tolerance (±0.1% versus ±0.5%) while maintaining identical power rating, package, and AEC-Q200 qualification. Represents the highest inventory availability (64459 pcs) among all substitutes. Recommended for general-purpose substitution where tolerance improvement is beneficial and supply continuity is critical.

RP73PF2A1K21BTDF (TE Connectivity Passive Product): This direct substitute offers doubled power rating (0.25W versus 0.125W) with tighter tolerance (±0.1%). Maintains 0805 package and compatible temperature range. Does not carry AEC-Q200 qualification. Suitable for applications requiring increased power dissipation margin or non-automotive environments.

ERA-6AEB1211V (Panasonic Electronic Components): This upgrade substitute provides tighter tolerance (±0.1% versus ±0.5%) with identical power rating and AEC-Q200 automotive qualification. Maintains all mechanical and thermal specifications. Supports automotive applications with alternative manufacturer sourcing. Inventory of 8113 pcs provides adequate supply.

RT0805BRD071K21L (YAGEO): This direct substitute offers tighter tolerance (±0.1% versus ±0.5%) with identical power rating and package. Does not carry AEC-Q200 qualification. Suitable for non-automotive applications or where manufacturer diversification is required. Inventory of 5823 pcs supports production needs.

Frequently Asked Questions (FAQ)

Q: Can RG2012N-1211-W-T1 be used as a direct replacement for RG2012P-1211-D-T5?

A: Yes. RG2012N-1211-W-T1 is a direct mechanical and electrical substitute with superior specifications. It maintains the same 1.21 kOhms resistance, 0.125W power rating, 0805 package, and AEC-Q200 qualification. The tighter tolerance (±0.05% versus ±0.5%) and improved temperature coefficient (±10ppm/°C versus ±25ppm/°C) represent performance enhancements with no compatibility concerns.

Q: What is the difference between upgrade and direct substitutes?

A: Upgrade substitutes offer improved electrical specifications (tighter tolerance or lower temperature coefficient) while maintaining or exceeding the original part's capabilities. Direct substitutes provide equivalent functionality from alternative manufacturers, sometimes with different specifications such as higher power ratings or different certifications.

Q: Is RP73PF2A1K21BTDF suitable for automotive applications?

A: RP73PF2A1K21BTDF does not carry AEC-Q200 automotive qualification. For automotive applications requiring AEC-Q200 compliance, use RG2012N-1211-W-T1, RG2012P-1211-B-T5, or ERA-6AEB1211V instead.

Q: Can I use a substitute with higher power rating in place of the original part?

A: Yes. RP73PF2A1K21BTDF with 0.25W (1/4W) rating can replace the 0.125W (1/8W) RG2012P-1211-D-T5. Higher power rating provides additional thermal margin and does not create compatibility issues. Physical dimensions remain within 0805 package specifications.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance status, matching the original RG2012P-1211-D-T5 specification.

Q: What is the impact of tolerance differences on circuit performance?

A: Tolerance determines the maximum deviation from the nominal 1.21 kOhms value. The original part allows ±0.5% deviation (1.1445 kOhms to 1.2755 kOhms). Upgrade substitutes with ±0.1% or ±0.05% tolerance provide tighter resistance control, beneficial for precision analog circuits, voltage dividers, and filter networks where accuracy is critical.

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

A: Yes. All listed substitutes are mechanically and electrically compatible within the same 0805 footprint. Mixing parts with different tolerances is acceptable provided the circuit design accounts for the widest tolerance band present in the assembly.

Q: What is Moisture Sensitivity Level 1?

A: MSL 1 indicates unlimited shelf life without moisture control requirements. All listed parts, including the original RG2012P-1211-D-T5, carry MSL 1 rating, eliminating the need for desiccant storage or baking procedures prior to assembly.