ERA-14EB272U Equivalent & Substitute Parts

Part Overview

The ERA-14EB272U is a 2.7 kOhms ±0.1% thin film chip resistor manufactured by Panasonic Electronic Components in 1210 (3225 Metric) package format with 0.25W power rating. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and design requirements. The ERA-14 series provides precision thin film construction suitable for applications requiring tight tolerance and stable performance across the operating temperature range of -55°C to 125°C.

Key Parameters

Parameter	Value
Resistance	2.7 kOhms
Tolerance	±0.1%
Power Rating	0.25W (1/4W)
Package	1210 (3225 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature	-55°C to 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria applied strictly to the provided parameters:

Primary Substitution Criteria:

Resistance value: 2.7 kOhms (exact match required)
Tolerance: ±0.1% (exact match required)
Composition: Thin Film (exact match required)
Temperature Coefficient: ±25ppm/°C (exact match required)
RoHS3 Compliance (required for regulatory alignment)
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Compatibility Factors:

Package format: 1210 (3225 Metric) preferred; 1206 (3216 Metric) acceptable with dimensional verification
Power rating: Equal or greater than 0.25W
Operating temperature range: Must support -55°C minimum; upper limit may extend beyond 125°C

Substitute parts are grouped into three categories based on these parameters:

Direct Equivalent (Same Package, Same Power): Parts maintaining 1210 package and 0.25W power rating with identical electrical specifications.

Package Variant (Different Package, Same Electrical): Parts with 1206 package format but matching all electrical parameters, suitable where board space permits downsizing.

Upgraded Performance (Same Package, Enhanced Power or Tolerance): Parts in 1210 package with equal or greater power rating and equal or tighter tolerance, providing design margin and extended operating temperature range.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Package	Temp Coeff	Op Temp Range	Product Status	RoHS Status
ERA-14EB272U	Panasonic	2.7 kΩ	±0.1%	0.25W	1210	±25ppm/°C	-55°C to 125°C	Obsolete	ROHS3
ERA-8AEB272V	Panasonic	2.7 kΩ	±0.1%	0.25W	1206	±25ppm/°C	-55°C to 155°C	Active	ROHS3
RNCF1210BKE2K70	Stackpole	2.7 kΩ	±0.1%	0.333W	1210	±25ppm/°C	-55°C to 155°C	Active	ROHS3
RNCF1210BTE2K70	Stackpole	2.7 kΩ	±0.1%	0.333W	1210	±25ppm/°C	-55°C to 155°C	Active	ROHS3
RT1210BRD072K7L	YAGEO	2.7 kΩ	±0.1%	0.25W	1210	±25ppm/°C	-55°C to 125°C	Active	ROHS3
RT1210WRD072K7L	YAGEO	2.7 kΩ	±0.05%	0.25W	1210	±25ppm/°C	-55°C to 125°C	Active	ROHS3
TNPW12102K70BEEA	Vishay Dale	2.7 kΩ	±0.1%	0.5W	1210	±25ppm/°C	-55°C to 155°C	Active	ROHS3
TNPW12102K70BEEN	Vishay Dale	2.7 kΩ	±0.1%	0.5W	1210	±25ppm/°C	-55°C to 155°C	Active	ROHS3
TNPW12102K70BETA	Vishay Dale	2.7 kΩ	±0.1%	0.333W	1210	±25ppm/°C	-55°C to 125°C	Active	RoHS non-compliant

Engineering Selection Recommendations

Direct Replacement (Preferred for Pin-Compatible Designs):

RT1210BRD072K7L from YAGEO provides the closest functional equivalent to ERA-14EB272U. Both parts maintain identical electrical specifications (2.7 kΩ ±0.1%, 0.25W, ±25ppm/°C) and 1210 package format with active product status and ROHS3 compliance. This part is suitable for direct substitution in existing designs without layout modification.

Enhanced Performance Alternative (Recommended for New Designs):

RNCF1210BKE2K70 and RNCF1210BTE2K70 from Stackpole Electronics offer upgraded power rating (0.333W versus 0.25W) while maintaining identical electrical specifications and 1210 package footprint. Extended operating temperature range to 155°C and AEC-Q200 automotive qualification provide additional design margin. Both parts carry active product status and ROHS3 compliance.

Higher Power Margin Option:

TNPW12102K70BEEA and TNPW12102K70BEEN from Vishay Dale provide 0.5W power rating with identical electrical specifications, 1210 package, and extended operating temperature to 155°C. These parts include anti-sulfur and moisture-resistant features with AEC-Q200 automotive qualification and ROHS3 compliance, suitable for applications requiring maximum thermal headroom.

Tighter Tolerance Alternative:

RT1210WRD072K7L from YAGEO offers ±0.05% tolerance (tighter than the ±0.1% specification) with matching 2.7 kΩ resistance, 0.25W power, and 1210 package. This part is applicable where enhanced precision is required within the same thermal and package constraints.

Package Downsizing Option:

ERA-8AEB272V from Panasonic provides electrical equivalence (2.7 kΩ ±0.1%, 0.25W, ±25ppm/°C) in smaller 1206 (3216 Metric) package with extended operating temperature to 155°C and AEC-Q200 automotive qualification. This part is suitable only where board layout permits package size reduction and mechanical clearance is verified.

Not Recommended:

TNPW12102K70BETA from Vishay Dale carries RoHS non-compliance and REACH-affected status, making it unsuitable for applications subject to current regulatory requirements despite matching electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can ERA-8AEB272V (1206 package) be used as a direct replacement for ERA-14EB272U (1210 package)?

A: ERA-8AEB272V matches all electrical specifications (2.7 kΩ ±0.1%, 0.25W, ±25ppm/°C) and provides extended operating temperature range. However, the 1206 package is physically smaller than 1210. Substitution requires verification that board layout and mechanical clearance accommodate the smaller footprint. Pad spacing and component placement must be reviewed before implementation.

Q: What is the difference between RNCF1210BKE2K70 and RNCF1210BTE2K70?

A: Both parts are electrically and mechanically identical with 2.7 kΩ ±0.1%, 0.333W power rating, 1210 package, and identical operating specifications. The difference lies in packaging format: BKE indicates Tape & Reel (TR) packaging, while BTE also indicates Tape & Reel (TR) packaging. Consult supplier documentation for specific reel configuration and quantity per reel if procurement volume or handling requirements differ.

Q: Why does RT1210WRD072K7L have ±0.05% tolerance instead of ±0.1%?

A: RT1210WRD072K7L is a precision variant within the YAGEO RT series offering tighter tolerance specification. The ±0.05% tolerance is a subset of the ±0.1% requirement, meaning this part exceeds the original specification. It is suitable for applications where tighter tolerance provides design benefit without introducing incompatibility.

Q: Are the Vishay Dale TNPW parts (BEEA, BEEN, BETA) interchangeable?

A: TNPW12102K70BEEA and TNPW12102K70BEEN are electrically and mechanically identical with 0.5W power rating, anti-sulfur and moisture-resistant features, and AEC-Q200 qualification. Both are ROHS3 compliant and suitable for direct interchange. TNPW12102K70BETA differs in power rating (0.333W) and carries RoHS non-compliance, making it not interchangeable for applications requiring current regulatory compliance.

Q: What does AEC-Q200 qualification mean for resistor selection?

A: AEC-Q200 is an automotive industry qualification standard. Parts carrying this rating have undergone specific reliability and performance testing for automotive applications. Selection of AEC-Q200 qualified parts (RNCF series, TNPW BEEA/BEEN) provides documented performance validation for automotive or high-reliability applications, though this qualification is not required for general industrial use.

Q: Can I use a 0.5W rated resistor (TNPW series) in place of a 0.25W rated resistor (ERA-14EB272U)?

A: Yes. Higher power rating is a compatible upgrade. A 0.5W resistor can dissipate more power than a 0.25W resistor while maintaining identical electrical characteristics. This substitution provides thermal margin and is suitable for applications where power dissipation may approach or exceed the original 0.25W specification. No design modification is required.

Q: What is the significance of the operating temperature range difference (-55°C to 125°C versus -55°C to 155°C)?

A: The extended upper temperature limit (155°C versus 125°C) in substitute parts indicates enhanced thermal capability. Parts with 155°C upper limit are suitable for applications operating at higher ambient temperatures or with higher component self-heating. If the original design operates within -55°C to 125°C, both specifications are compatible. Extended range provides additional design margin for future applications.

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