RG2012P-102-B-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-102-B-T1 is a 1 kOhms ±0.1% 0.125W thin film chip resistor in 0805 (2012 Metric) package manufactured by Susumu. This component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications requiring precision resistance values. The part is currently obsolete, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility while offering active product status and improved availability.

Key Parameters

Parameter	Value
Resistance	1 kOhms
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
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012P-102-B-T1 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 1 kOhms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Composition: Thin Film (required for precision tolerance)
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)
RoHS compliance: ROHS3 Compliant (required)

Flexible Parameters (Upgradeable):

Tolerance: ±0.1% or tighter (±0.05%, ±0.02% acceptable as upgrades)
Temperature coefficient: ±25ppm/°C or lower (±10ppm/°C, ±5ppm/°C acceptable as upgrades)
Automotive qualification: AEC-Q200 (preferred for consistency)

Substitutes are grouped into direct equivalents (identical electrical specifications) and upgrades (improved tolerance or temperature coefficient performance).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Status	Inventory
RG2012P-102-B-T1	Susumu	1 kΩ	±0.1%	0.125	±25	0805	Obsolete	714 Pcs
RG2012P-102-B-T5	Susumu	1 kΩ	±0.1%	0.125	±25	0805	Active	514515 Pcs
RG2012N-102-B-T5	Susumu	1 kΩ	±0.1%	0.125	±10	0805	Active	5794 Pcs
RG2012N-102-W-T5	Susumu	1 kΩ	±0.05%	0.125	±10	0805	Active	1095 Pcs
RG2012P-102-W-T5	Susumu	1 kΩ	±0.05%	0.125	±25	0805	Active	675 Pcs
RG2012V-102-B-T5	Susumu	1 kΩ	±0.1%	0.125	±5	0805	Active	976 Pcs
RG2012V-102-P-T1	Susumu	1 kΩ	±0.02%	0.125	±5	0805	Active	4332 Pcs
RG2012V-102-W-T1	Susumu	1 kΩ	±0.05%	0.125	±5	0805	Active	1039 Pcs
RG2012V-102-W-T5	Susumu	1 kΩ	±0.05%	0.125	±5	0805	Active	880 Pcs
1-2176092-8	TE Connectivity	1 kΩ	±0.1%	0.25	±25	0805	Active	77190 Pcs
ERA-6AEB102V	Panasonic	1 kΩ	±0.1%	0.125	±25	0805	Active	169223 Pcs

Engineering Selection Recommendations

Direct Equivalent (Identical Specifications):

RG2012P-102-B-T5 is the direct equivalent to RG2012P-102-B-T1. Both components share identical electrical specifications: 1 kOhms ±0.1% tolerance, 0.125W power rating, ±25ppm/°C temperature coefficient, and 0805 package. The primary difference is packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete). This part maintains full compatibility with the original design and is recommended as the primary replacement option with significantly higher inventory availability (514515 Pcs).

ERA-6AEB102V from Panasonic provides an alternative direct equivalent with identical electrical and mechanical specifications. This component carries AEC-Q200 automotive qualification and ROHS3 compliance. Inventory availability is substantial (169223 Pcs), supporting high-volume applications.

1-2176092-8 from TE Connectivity offers direct electrical equivalence with identical tolerance and temperature coefficient. The power rating is upgraded to 0.25W (1/4W), providing additional thermal margin. This component is suitable for applications where higher power dissipation capability is beneficial or required.

Upgrade Options (Enhanced Performance):

RG2012V-102-B-T5 provides improved temperature coefficient performance (±5ppm/°C versus ±25ppm/°C) while maintaining ±0.1% tolerance and 0.125W power rating. This upgrade is applicable to designs requiring enhanced temperature stability.

RG2012V-102-W-T1 and RG2012V-102-W-T5 offer tighter tolerance (±0.05%) with improved temperature coefficient (±5ppm/°C). These upgrades are suitable for precision analog circuits requiring superior tolerance performance.

RG2012V-102-P-T1 represents the highest performance option with ±0.02% tolerance and ±5ppm/°C temperature coefficient. This component is applicable to precision measurement and calibration circuits where maximum accuracy is required.

All Susumu RG series substitutes maintain anti-sulfur coating and AEC-Q200 automotive qualification consistent with the original part specification.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-102-B-T5 be used as a direct replacement for RG2012P-102-B-T1?

A: Yes. RG2012P-102-B-T5 is electrically and mechanically identical to RG2012P-102-B-T1. The difference is packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete). Both components have identical resistance, tolerance, power rating, temperature coefficient, and package dimensions.

Q: What is the difference between Susumu RG series variants (P, N, V)?

A: The letter designation indicates temperature coefficient performance. RG2012P series has ±25ppm/°C, RG2012N series has ±10ppm/°C, and RG2012V series has ±5ppm/°C. All maintain the same resistance value, package, and power rating when the numeric portion is identical.

Q: Can I use a higher power rating resistor as a substitute?

A: Yes. The TE Connectivity 1-2176092-8 with 0.25W (1/4W) rating is compatible with designs requiring 0.125W (1/8W) components. Higher power rating provides additional thermal margin and does not affect electrical performance. Physical dimensions remain identical in the 0805 package.

Q: Are all substitute parts AEC-Q200 qualified?

A: Susumu RG series components (RG2012P, RG2012N, RG2012V variants) and Panasonic ERA-6AEB102V carry AEC-Q200 automotive qualification. TE Connectivity 1-2176092-8 does not list AEC-Q200 qualification in the provided specifications. Verify automotive qualification requirements for your specific application.

Q: What is the difference between tolerance grades (±0.1%, ±0.05%, ±0.02%)?

A: Tolerance indicates the maximum deviation from the nominal resistance value. ±0.1% allows ±1 ohm deviation from 1 kOhms. ±0.05% allows ±0.5 ohm deviation. ±0.02% allows ±0.2 ohm deviation. Tighter tolerance provides more precise resistance values for applications requiring high accuracy.

Q: Can I substitute a ±0.05% tolerance part where ±0.1% is specified?

A: Yes. A tighter tolerance part (±0.05%) meets or exceeds the requirements of a ±0.1% specification. The component will perform within the original tolerance band and provide superior accuracy.

Q: What does temperature coefficient (ppm/°C) indicate?

A: Temperature coefficient specifies resistance change per degree Celsius. ±25ppm/°C means the resistance changes by 25 parts per million for each degree of temperature change. Lower values (±5ppm/°C) indicate better temperature stability. Substituting a lower temperature coefficient part improves performance in temperature-sensitive applications.

Q: Are Panasonic ERA-6AEB102V and Susumu RG2012P-102-B-T5 interchangeable?

A: Yes. Both components have identical electrical specifications (1 kOhms ±0.1%, 0.125W, ±25ppm/°C) and identical 0805 package dimensions. Both carry AEC-Q200 qualification and ROHS3 compliance. Physical dimensions and performance characteristics are equivalent.

Q: What is MSL 1 (Unlimited) moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This is the least restrictive moisture sensitivity level and simplifies inventory management and assembly processes.

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