Is there a pin-compatible replacement for ERA2AEB4020X?

Yes, many 0402 package resistors are pin-compatible. However, electrical compatibility is critical. A true replacement must also match the 402Ω resistance, 0.1% tolerance, and thin film characteristics of the original part.

What risks should I check before replacing ERA2AEB4020X?

The main risks are performance degradation and circuit failure. Using a resistor with higher tolerance (e.g., 1% vs 0.1%) or a worse temperature coefficient (TCR) can affect circuit accuracy and stability, especially in analog, measurement, or feedback circuits.

ERA2AEB4020X Alternatives, Datasheet & Cross Reference | PANASONIC

Reviewing alternatives for the Panasonic ERA2AEB4020X, a 402Ω 0.1% 0402 thin film resistor. Key considerations for replacement include matching the tight tolerance and low temperature coefficient for precision applications.

AI replacement insight

Electrical riskhigh

Substituting a general-purpose resistor for a precision one can cause circuit malfunction.

Package risklow

Candidates match the 0402 package, so no physical layout changes are expected.

Can it be replaced directly?

No direct, verified drop-in replacement has been identified. All candidates reviewed are lower-precision thick film types not suitable for applications requiring high accuracy or stability.

Best replacement path

Search for thin film 0402 resistors with 402Ω resistance, ≤0.1% tolerance, and TCR ≤±25 ppm/°C.

Main risk

Circuit performance degradation due to lower precision (tolerance and TCR).

Recommended alternatives

A 402Ω 0402 resistor with a much looser tolerance (1%) and different technology (thick film).

View details

Alternative comparison matrix

Feature / factor	ERA2AEB4020X	0402WGF4020TCE	AC0402FR-07402RL	RC-02K4020FT	Compatibility / risk
Package	0402	0402	0402	0402	0402 — Package size matches.; AC0402FR-07402RL: Package size matches.; RC-02K4020FT: Package size matches.
Resistance	402Ω	402Ω	402Ω	402Ω	402Ω — Resistance value matches.; AC0402FR-07402RL: Resistance value matches.; RC-02K4020FT: Resistance value matches.
Technology	Thin Film	Thick Film	Thick Film	Thick Film	Thick Film — Technology downgrade from precision thin film.; AC0402FR-07402RL: Technology downgrade from precision thin film.; RC-02K4020FT: Technology downgrade from precision thin film.
Tolerance	0.1%	1%	1%	1%	1% — Significantly looser tolerance.; AC0402FR-07402RL: Significantly looser tolerance.; RC-02K4020FT: Significantly looser tolerance.
Tcr	±25 ppm/°C	Not specified	±100 ppm/°C	Not specified	Not specified / ±100 ppm/°C — TCR likely much worse than target's precision spec.; AC0402FR-07402RL: TCR is 4x worse than target.; RC-02K4020FT: TCR likely much worse than target's precision spec.

Application & sourcing insights

Questions & answers

Finding a direct replacement for the high-precision ERA2AEB4020X is challenging. The best alternative must match its 0.1% tolerance, ±25 ppm/°C TCR, and thin film technology. General purpose thick film resistors are not suitable for precision circuits.