ERA-2HEC2101P Equivalent & Substitute Parts

Part Overview

The ERA-2HEC2101P is a 2.1 kOhms ±0.25% thin film chip resistor in 0402 (1005 Metric) package rated at 0.063W (1/16W). Manufactured by Panasonic Electronic Components, this part operates across -55°C to 125°C with a temperature coefficient of ±25ppm/°C. The ERA-2HEC2101P is classified as obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Substiute Parts

ERA-2HEC2101P

Panasonic Electronic ComponentsIn Stock: 753ERA-2HEC2101P Datasheet

Current PartRFQ

ERA-2AEC2101X

Panasonic Electronic ComponentsIn Stock: 995ERA-2AEC2101X Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERA-2HEC2101P is determined by strict equivalence across the following electrical and mechanical parameters:

• Resistance value: 2.1 kOhms
• Tolerance: ±0.25%
• Power rating: 0.063W (1/16W)
• Package type: 0402 (1005 Metric)
• Composition: Thin Film
• Temperature coefficient: ±25ppm/°C
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1

The ERA-2AEC2101X qualifies as a direct substitute because it maintains all critical electrical specifications and package dimensions while offering extended operating temperature range and automotive-grade qualification.

Parameter Comparison

Engineering Selection Recommendations

The ERA-2AEC2101X is the qualified substitute for the obsolete ERA-2HEC2101P. Both parts maintain identical electrical specifications (2.1 kOhms ±0.25%, 0.063W) and mechanical compatibility (0402 package). The ERA-2AEC2101X offers active product status, ensuring long-term availability and supply chain continuity. The substitute incorporates automotive AEC-Q200 qualification and extends the maximum operating temperature to 155°C compared to the original 125°C specification. Both parts are ROHS3 compliant with MSL 1 rating. Selection of the ERA-2AEC2101X eliminates obsolescence risk while maintaining full electrical and mechanical interchangeability.

Frequently Asked Questions (FAQ)

Q: Can ERA-2AEC2101X be used as a direct replacement for ERA-2HEC2101P?

A: Yes. Both parts share identical resistance (2.1 kOhms), tolerance (±0.25%), power rating (0.063W), package (0402), and temperature coefficient (±25ppm/°C). Physical dimensions and termination count are equivalent, enabling direct PCB substitution.

Q: What is the difference between ERA-2H and ERA-2A series?

A: The ERA-2H series (obsolete) operates to 125°C maximum. The ERA-2A series (active) extends to 155°C and includes automotive AEC-Q200 qualification. Electrical specifications remain identical.

Q: Are there any compliance differences between the two parts?

A: Both parts are ROHS3 compliant with MSL 1 rating. The ERA-2AEC2101X adds automotive AEC-Q200 certification, which does not restrict use in non-automotive applications.

Q: Will the extended temperature range of ERA-2AEC2101X affect circuit performance?

A: No. The extended operating range (to 155°C) represents an enhancement. The temperature coefficient (±25ppm/°C) remains identical, ensuring equivalent performance within the original -55°C to 125°C specification window.

Q: Is the 0402 package footprint identical between both parts?

A: Yes. Both parts measure 0.039" L x 0.020" W (1.00mm x 0.50mm) with maximum seated height of 0.016" (0.40mm). PCB layout and assembly processes require no modification.