RG2012N-273-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-273-C-T5 is a 27 kOhms ±0.25% 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 harsh environment applications requiring precision resistance values. The part is currently obsolete, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility with existing designs.

Key Parameters

Parameter	Value
Resistance	27 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±10ppm/°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 of the RG2012N-273-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 27 kOhms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Composition: Thin Film (exact match required)
Temperature coefficient: ±10ppm/°C (exact match required)
Operating temperature range: -55°C minimum to 155°C minimum (equal or wider acceptable)

Tolerance Substitution Logic: Substitute parts with equal or tighter tolerance specifications (lower tolerance values) are functionally equivalent. The original part specifies ±0.25% tolerance. Parts with ±0.1% or ±0.05% tolerance provide superior precision and are direct upgrades.

Automotive Qualification: Parts with AEC-Q200 certification maintain automotive-grade reliability standards. Non-certified alternatives remain electrically compatible but lack automotive qualification.

Packaging Format: Tape & Reel (TR) packaging is compatible with the original component for automated assembly processes.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status
RG2012N-273-C-T5	Susumu	27 kΩ	±0.25%	0.125	±10	-55 ~ 155	Yes	Obsolete
RG2012N-273-B-T5	Susumu	27 kΩ	±0.1%	0.125	±10	-55 ~ 155	Yes	Active
RG2012N-273-W-T1	Susumu	27 kΩ	±0.05%	0.125	±10	-55 ~ 155	Yes	Active
RG2012N-273-W-T5	Susumu	27 kΩ	±0.05%	0.125	±10	-55 ~ 155	Yes	Active
MCU08050F2702BP100	Vishay Beyschlag/Draloric/BC Components	27 kΩ	±0.1%	0.125	±10	-55 ~ 125	No	Active
ERA-6ARB273V	Panasonic Electronic Components	27 kΩ	±0.1%	0.125	±10	-55 ~ 155	Yes	Active
ERA-6ARW273V	Panasonic Electronic Components	27 kΩ	±0.05%	0.125	±10	-55 ~ 155	Yes	Active
RT0805WRB0727KL	YAGEO	27 kΩ	±0.05%	0.125	±10	-55 ~ 155	No	Active
TNPW080527K0BYEA	Vishay Dale	27 kΩ	±0.1%	0.26	±10	-55 ~ 175	Yes	Active

Engineering Selection Recommendations

Susumu RG Series (Active Status): RG2012N-273-B-T5, RG2012N-273-W-T1, and RG2012N-273-W-T5 are direct Susumu replacements maintaining identical package, power rating, temperature coefficient, and AEC-Q200 automotive qualification. These parts offer tighter tolerance specifications (±0.1% and ±0.05%) compared to the obsolete RG2012N-273-C-T5 (±0.25%), providing superior precision. All three are in active production with adequate inventory availability.

Panasonic ERA-6A Series (Active Status): ERA-6ARB273V and ERA-6ARW273V maintain full electrical and mechanical compatibility with AEC-Q200 certification and identical operating temperature range (-55°C ~ 155°C). ERA-6ARB273V provides ±0.1% tolerance, while ERA-6ARW273V offers ±0.05% tolerance. Both are actively produced with substantial inventory.

Vishay Beyschlag MCU Series (Active Status): MCU08050F2702BP100 provides ±0.1% tolerance and identical power rating but lacks AEC-Q200 certification and operates to 125°C maximum (versus 155°C for the original). This part is suitable for non-automotive applications requiring precision thin film characteristics.

YAGEO RT Series (Active Status): RT0805WRB0727KL offers ±0.05% tolerance and extended temperature range (-55°C ~ 155°C) but lacks AEC-Q200 automotive qualification. This part is suitable for precision applications without automotive requirements.

Vishay Dale TNPW Series (Active Status): TNPW080527K0BYEA provides ±0.1% tolerance with elevated power rating (0.26W) and extended operating temperature to 175°C. This part is suitable for applications requiring higher power dissipation or extended temperature operation while maintaining AEC-Q200 certification.

Frequently Asked Questions (FAQ)

Q: Can I substitute the obsolete RG2012N-273-C-T5 with any of the listed alternatives?

A: All listed alternatives are electrically and mechanically compatible with the RG2012N-273-C-T5 in the 0805 package with 27 kOhms resistance and 0.125W power rating. Selection depends on specific application requirements regarding tolerance, automotive qualification, and operating temperature range.

Q: What is the difference between ±0.25%, ±0.1%, and ±0.05% tolerance?

A: Tolerance specifies the maximum deviation from the nominal 27 kOhms value. ±0.25% allows deviation up to ±67.5 ohms, ±0.1% allows ±27 ohms, and ±0.05% allows ±13.5 ohms. Tighter tolerance (lower percentage) provides greater precision for applications requiring accurate resistance values.

Q: Which substitute parts maintain AEC-Q200 automotive qualification?

A: RG2012N-273-B-T5, RG2012N-273-W-T1, RG2012N-273-W-T5, ERA-6ARB273V, ERA-6ARW273V, and TNPW080527K0BYEA all carry AEC-Q200 certification. MCU08050F2702BP100 and RT0805WRB0727KL do not have automotive qualification.

Q: Are there differences in physical dimensions between substitute parts?

A: All parts conform to 0805 (2012 Metric) package dimensions of 0.079" L × 0.049" W (2.00mm × 1.25mm). Maximum seated heights vary slightly: Susumu parts measure 0.020" (0.50mm), Panasonic and YAGEO parts measure 0.024" (0.60mm), Vishay parts measure 0.022" (0.55mm). These variations are within standard PCB assembly tolerances.

Q: Can I use TNPW080527K0BYEA as a direct replacement?

A: TNPW080527K0BYEA is electrically compatible but features double the power rating (0.26W versus 0.125W) and extended operating temperature to 175°C. It is suitable for applications requiring higher power dissipation or extended temperature operation. The higher power rating does not create incompatibility with designs specified for 0.125W.

Q: What is the difference between Tape & Reel (TR) and other packaging formats?

A: Tape & Reel packaging is standard for automated surface mount assembly. All listed substitute parts are available in Tape & Reel format, ensuring compatibility with standard pick-and-place equipment and manufacturing processes.

Q: Which substitute offers the best precision?

A: RG2012N-273-W-T1, RG2012N-273-W-T5, ERA-6ARW273V, and RT0805WRB0727KL all offer ±0.05% tolerance, the tightest specification available among the listed alternatives.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

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