RG2012N-753-B-T1 Equivalent & Substitute Parts

Part Overview

The RG2012N-753-B-T1 is a 75 kOhms ±0.1% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in harsh environments. The part is currently obsolete, necessitating identification of functionally equivalent alternatives from active product lines that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	75 kOhms
Tolerance	±0.1%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±10ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Resistance value: 75 kOhms
Package type: 0805 (2012 Metric)
Composition: Thin Film
Moisture Sensitivity Level: 1 (Unlimited)
RoHS3 Compliance
AEC-Q200 Automotive Rating

Tolerance and Performance Tiers: Parts are grouped into three categories based on tolerance specification:

Direct Substitutes (±0.1% Tolerance): Parts with identical tolerance to the main component, maintaining equivalent circuit performance specifications.
Upgrade Substitutes (±0.05% Tolerance): Parts with tighter tolerance than the original specification, providing enhanced accuracy while maintaining all other electrical and mechanical parameters.
Similar Substitutes (Different Temperature Coefficient): Parts meeting all mandatory criteria but with different temperature coefficient values, suitable for applications where thermal stability requirements differ from the original specification.

Packaging Variants: The main part is supplied in bulk packaging. Direct substitutes include both bulk and tape & reel (TR) packaging options. Packaging selection does not affect electrical or mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range	Status	Height Max (mm)
RG2012N-753-B-T1	Susumu	75 kΩ	±0.1%	0.125	±10	-55 to 155°C	Obsolete	0.50
RG2012N-753-B-T5	Susumu	75 kΩ	±0.1%	0.125	±10	-55 to 155°C	Active	0.50
RG2012N-753-W-T1	Susumu	75 kΩ	±0.05%	0.125	±10	-55 to 155°C	Active	0.50
RG2012N-753-W-T5	Susumu	75 kΩ	±0.05%	0.125	±10	-55 to 155°C	Active	0.50
RG2012P-753-B-T5	Susumu	75 kΩ	±0.1%	0.125	±25	-55 to 155°C	Active	0.50
ERA-6ARB753V	Panasonic	75 kΩ	±0.1%	0.125	±10	-55 to 155°C	Active	0.60
ERA-6ARW753V	Panasonic	75 kΩ	±0.05%	0.125	±10	-55 to 155°C	Active	0.60
RT0805WRB0775KL	YAGEO	75 kΩ	±0.05%	0.125	±10	-55 to 155°C	Active	0.60
TNPW080575K0BYEA	Vishay Dale	75 kΩ	±0.1%	0.26	±10	-55 to 175°C	Active	0.55

Engineering Selection Recommendations

Primary Direct Substitute: RG2012N-753-B-T5 (Susumu) is the direct functional equivalent with identical electrical specifications and active product status. This part maintains the same tolerance (±0.1%), power rating (0.125W), temperature coefficient (±10ppm/°C), and physical dimensions as the obsolete RG2012N-753-B-T1. Selection of this part requires no circuit re-evaluation.

Secondary Direct Substitute: ERA-6ARB753V (Panasonic) provides equivalent electrical performance with identical tolerance, power rating, and temperature coefficient. Physical height is 0.60mm compared to 0.50mm for the original part. This dimension difference must be verified against PCB layout constraints and clearance requirements.

Upgrade Substitutes (Enhanced Tolerance): RG2012N-753-W-T1, RG2012N-753-W-T5, ERA-6ARW753V, and RT0805WRB0775KL all feature tighter ±0.05% tolerance specification. These parts are suitable for applications requiring improved accuracy. All maintain the same temperature coefficient (±10ppm/°C) and operating temperature range as the original part. Selection of upgrade parts does not introduce compatibility issues but provides enhanced performance margin.

Alternative with Extended Temperature Range: TNPW080575K0BYEA (Vishay Dale) extends the upper operating temperature limit to 175°C and provides higher power dissipation capability (0.26W). This part is suitable for high-temperature applications but should be selected only when the enhanced thermal capability is required.

Not Recommended: RG2012P-753-B-T5 (Susumu) features a different temperature coefficient (±25ppm/°C) compared to the original specification (±10ppm/°C). This part is suitable only for applications where thermal stability requirements are less stringent than the original design.

Frequently Asked Questions (FAQ)

Q: Can RG2012N-753-B-T5 be used as a direct replacement for RG2012N-753-B-T1?

A: Yes. RG2012N-753-B-T5 is a direct substitute with identical electrical specifications: 75 kOhms ±0.1% tolerance, 0.125W power rating, ±10ppm/°C temperature coefficient, and 0805 package. The primary difference is product status (active versus obsolete) and packaging format. No circuit modifications are required.

Q: What is the difference between the "B" and "W" designations in Susumu part numbers?

A: The "B" designation indicates ±0.1% tolerance, while the "W" designation indicates ±0.05% tolerance. Both maintain identical resistance value, power rating, temperature coefficient, and package specifications. Selection of "W" parts provides tighter tolerance performance.

Q: Are Panasonic ERA-6ARB753V and Susumu RG2012N-753-B-T5 interchangeable?

A: Both parts are electrically equivalent with identical 75 kOhms ±0.1% specifications and ±10ppm/°C temperature coefficient. The physical height differs: ERA-6ARB753V is 0.60mm maximum versus 0.50mm for the Susumu part. PCB layout clearance must be verified before substitution.

Q: Can I use TNPW080575K0BYEA as a substitute?

A: TNPW080575K0BYEA meets the core electrical requirements (75 kOhms ±0.1%, ±10ppm/°C) and package specification (0805). However, it provides higher power dissipation (0.26W versus 0.125W) and extended operating temperature range (-55°C to 175°C versus -55°C to 155°C). This part is suitable for applications requiring enhanced thermal capability but introduces unnecessary cost and size considerations if standard specifications are sufficient.

Q: What does AEC-Q200 certification mean for automotive applications?

A: AEC-Q200 is an automotive industry standard qualification for passive components. All substitute parts listed maintain this certification, confirming suitability for automotive-grade reliability and environmental stress testing requirements.

Q: Does packaging format (bulk versus tape & reel) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly processes. Electrical and mechanical specifications remain identical regardless of whether parts are supplied in bulk or tape & reel format.

Q: Why is RG2012P-753-B-T5 listed as "not recommended"?

A: RG2012P-753-B-T5 features a ±25ppm/°C temperature coefficient compared to ±10ppm/°C for the original part. This represents a 2.5× increase in thermal drift. Selection of this part is appropriate only for applications with relaxed thermal stability requirements.

Q: Can I substitute a ±0.05% tolerance part for a ±0.1% tolerance design?

A: Yes. Tighter tolerance parts (±0.05%) are compatible with designs specified for ±0.1% tolerance. The upgrade provides improved accuracy without introducing compatibility issues. Circuit performance will meet or exceed original specifications.

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