RG2012P-273-B-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-273-B-T1 is a 27 kOhms ±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, suitable for high-reliability applications across -55°C to 155°C operating temperature range.

The RG2012P-273-B-T1 carries obsolete product status. Equivalent and substitute parts are available from active product lines offering identical or enhanced electrical and mechanical specifications, enabling direct replacement or design optimization without functional compromise.

Key Parameters

Parameter	Value
Resistance	27 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 ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution compatibility for the RG2012P-273-B-T1 is determined by the following critical parameters:

Primary Substitution Criteria:

Resistance value: 27 kOhms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Tolerance: ±0.1% or tighter (equal or better acceptable)
Composition: Thin film (required for performance consistency)

Secondary Compatibility Factors:

Temperature coefficient: ±25ppm/°C or better (equal or tighter acceptable)
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)
Automotive qualification: AEC-Q200 (preferred for equivalent applications)
RoHS compliance: ROHS3 (required for regulatory alignment)

Substitute parts are grouped into three categories based on enhancement level:

Direct Equivalents: Identical electrical specifications with different packaging format (tape & reel vs. bulk) or minor manufacturing variations. RG2012P-273-B-T5, ERA-6AEB273V, MCU08050D2702BP500, MCU08050F2702BP100, RT0805BRD0727KL, TNPW080527K0BEEA, and TNPW080527K0BEEN fall into this category.

Upgraded Specifications: Enhanced tolerance (±0.05% vs. ±0.1%) or improved temperature coefficient (±10ppm/°C vs. ±25ppm/°C). RG2012N-273-B-T5, RG2012N-273-W-T5, and RG2012P-273-W-T5 provide tighter performance margins while maintaining full backward compatibility.

Cross-Manufacturer Alternatives: Functionally equivalent parts from Panasonic, Vishay, and YAGEO offering identical or superior specifications with established supply availability and active product status.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Temp Range (°C)	AEC-Q200	Status
RG2012P-273-B-T1	Susumu	27 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Obsolete
RG2012P-273-B-T5	Susumu	27 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
RG2012N-273-B-T5	Susumu	27 kΩ	±0.1%	0.125	±10	-55 ~ 155	Yes	Active
RG2012N-273-W-T5	Susumu	27 kΩ	±0.05%	0.125	±10	-55 ~ 155	Yes	Active
RG2012P-273-W-T5	Susumu	27 kΩ	±0.05%	0.125	±25	-55 ~ 155	Yes	Active
ERA-6AEB273V	Panasonic	27 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
MCU08050D2702BP500	Vishay	27 kΩ	±0.1%	0.125	±25	-55 ~ 125	No	Active
MCU08050F2702BP100	Vishay	27 kΩ	±0.1%	0.125	±10	-55 ~ 125	No	Active
RT0805BRD0727KL	YAGEO	27 kΩ	±0.1%	0.125	±25	-55 ~ 155	No	Active
TNPW080527K0BEEA	Vishay Dale	27 kΩ	±0.1%	0.26	±25	-55 ~ 175	Yes	Active
TNPW080527K0BEEN	Vishay Dale	27 kΩ	±0.1%	0.26	±25	-55 ~ 175	Yes	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

RG2012P-273-B-T5 is the primary direct equivalent, offering identical electrical and thermal specifications with active product status and tape & reel packaging. This part maintains full compatibility with the obsolete RG2012P-273-B-T1 across all critical parameters including tolerance, temperature coefficient, and operating range.

ERA-6AEB273V (Panasonic) and RT0805BRD0727KL (YAGEO) provide functionally equivalent alternatives with active status and established supply chains. Both maintain ±0.1% tolerance and ±25ppm/°C temperature coefficient. ERA-6AEB273V includes automotive AEC-Q200 qualification; RT0805BRD0727KL does not carry explicit AEC-Q200 rating but operates across the full -55°C to 155°C range.

For Enhanced Performance (Tighter Specifications):

RG2012N-273-B-T5 upgrades the temperature coefficient to ±10ppm/°C while maintaining ±0.1% tolerance and full AEC-Q200 automotive qualification. This part is suitable for applications requiring improved thermal stability.

RG2012N-273-W-T5 and RG2012P-273-W-T5 both provide ±0.05% tolerance (tighter than the original ±0.1%), enabling use in precision measurement and calibration circuits. RG2012N-273-W-T5 combines ±0.05% tolerance with ±10ppm/°C temperature coefficient for maximum performance.

For Extended Operating Range:

TNPW080527K0BEEA and TNPW080527K0BEEN (Vishay Dale) extend the upper operating temperature to 175°C and increase power rating to 0.26W. These parts maintain ±0.1% tolerance and ±25ppm/°C temperature coefficient with automotive AEC-Q200 qualification. Selection is appropriate for high-temperature automotive and industrial applications.

For Non-Automotive Applications:

MCU08050D2702BP500 and MCU08050F2702BP100 (Vishay) provide active alternatives without explicit AEC-Q200 automotive qualification. MCU08050F2702BP100 offers ±10ppm/°C temperature coefficient. Both parts operate to 125°C maximum, limiting use to applications not requiring the full -55°C to 155°C range of the original part.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity). RoHS and REACH compliance are consistent across all options. Parts with explicit AEC-Q200 qualification (RG2012P-273-B-T5, RG2012N-273-B-T5, RG2012N-273-W-T5, RG2012P-273-W-T5, ERA-6AEB273V, TNPW080527K0BEEA, TNPW080527K0BEEN) are preferred for automotive and high-reliability applications.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-273-B-T5 be used as a direct replacement for RG2012P-273-B-T1?

A: Yes. RG2012P-273-B-T5 is a direct equivalent with identical electrical specifications (27 kΩ ±0.1%, 0.125W, ±25ppm/°C, -55°C to 155°C). The primary difference is packaging format (tape & reel vs. bulk) and active product status. All electrical and thermal performance parameters are equivalent.

Q: What is the difference between RG2012P-273-B-T5 and RG2012N-273-B-T5?

A: Both parts share identical resistance (27 kΩ), tolerance (±0.1%), power rating (0.125W), and operating range (-55°C to 155°C). The key difference is temperature coefficient: RG2012P-273-B-T5 has ±25ppm/°C while RG2012N-273-B-T5 has ±10ppm/°C. The tighter temperature coefficient of RG2012N-273-B-T5 provides improved stability across temperature variations.

Q: Are the Panasonic ERA-6AEB273V and YAGEO RT0805BRD0727KL suitable replacements?

A: Both parts are functionally equivalent with 27 kΩ ±0.1% specifications and 0.125W power rating. ERA-6AEB273V carries AEC-Q200 automotive qualification; RT0805BRD0727KL does not. Both operate across -55°C to 155°C. Selection depends on automotive qualification requirements for your application.

Q: What advantage do RG2012N-273-W-T5 and RG2012P-273-W-T5 offer?

A: Both parts provide tighter tolerance (±0.05% vs. ±0.1%), enabling use in precision analog circuits, measurement instrumentation, and calibration applications. RG2012N-273-W-T5 additionally offers ±10ppm/°C temperature coefficient for maximum thermal stability. These parts are backward compatible with the original RG2012P-273-B-T1 but provide enhanced performance margins.

Q: Why would I select TNPW080527K0BEEA over other substitutes?

A: TNPW080527K0BEEA provides extended operating temperature range (-55°C to 175°C) and higher power rating (0.26W vs. 0.125W). This part is suitable for high-temperature automotive engine compartment applications and circuits requiring thermal margin. It maintains ±0.1% tolerance and AEC-Q200 qualification.

Q: Are MCU08050D2702BP500 and MCU08050F2702BP100 suitable for automotive applications?

A: Both Vishay MCU parts lack explicit AEC-Q200 automotive qualification. MCU08050D2702BP500 operates to 125°C maximum, and MCU08050F2702BP100 also operates to 125°C. These parts are suitable for industrial and consumer applications within the -55°C to 125°C range but are not recommended for automotive applications requiring full -55°C to 155°C coverage and AEC-Q200 qualification.

Q: Can I use a higher tolerance part (±0.1%) in place of the original?

A: Yes, if your circuit design accommodates ±0.1% tolerance. However, if your application requires tighter tolerance, substitute parts with ±0.05% tolerance (RG2012N-273-W-T5, RG2012P-273-W-T5) provide improved performance without functional compromise.

Q: What is the significance of the packaging designation (T1 vs. T5)?

A: T1 indicates bulk packaging; T5 indicates tape & reel packaging. Both formats contain identical components with identical electrical specifications. Selection depends on assembly process requirements and volume. Tape & reel (T5) is standard for automated pick-and-place assembly.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and are suitable for applications with RoHS regulatory requirements. Moisture sensitivity level is MSL 1 (unlimited) across all options.

Q: Which substitute offers the best overall performance upgrade?

A: RG2012N-273-W-T5 provides the most comprehensive performance enhancement with ±0.05% tolerance (tightest available), ±10ppm/°C temperature coefficient (best thermal stability), full -55°C to 155°C operating range, and AEC-Q200 automotive qualification. This part is suitable for precision applications requiring maximum performance margins.

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