Is there a pin-compatible replacement for RC-02K105JT?

Yes, several pin-compatible 0402 resistors exist. For example, TYOHM's RMC04021M1%N matches the 0402 package, 1MΩ resistance, and 1/16W power rating. However, differences in secondary parameters like TCR mean 'pin-compatible' does not guarantee 'drop-in replacement' without review.

What risks should I check before replacing RC-02K105JT?

When replacing RC-02K105JT, primarily check the Temperature Coefficient (TCR) and the exact resistance value. Some alternatives may have a higher TCR (e.g., ±200ppm/°C vs ±100ppm/°C) or a slightly different nominal resistance. Always verify these against your circuit's requirements.

RC-02K105JT Alternatives, Datasheet & Cross Reference | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

Find and compare substitutes for the Fenghua RC-02K105JT, a common 1MΩ 0402 thick film resistor. This guide helps you evaluate alternatives based on key electrical parameters and package compatibility.

AI replacement insight

Electrical riskmedium

TCR and resistance value variations require circuit analysis.

Package risklow

All viable candidates are in the same 0402 package.

Can it be replaced directly?

No perfect drop-in replacement is identified. RMC04021M1%N is the closest functional match but has a weaker TCR, requiring engineering validation.

Best replacement path

The best path is to use a part with identical resistance and power, like RMC04021M1%N, while carefully verifying if its higher TCR is acceptable.

Main risk

The main risk is performance deviation due to a different Temperature Coefficient (TCR) in some alternatives.

Recommended alternatives

A 0402 1MΩ resistor with tighter tolerance but a higher TCR; requires engineering review for thermal stability.

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Alternative comparison matrix

Feature / factor	RC-02K105JT	RMC04021M1%N	0402WGF9763TCE	Compatibility / risk
Package	0402	0402	0402	0402 — Package size matches.; 0402WGF9763TCE: Package size matches.
Resistance	1MΩ	1MΩ	976kΩ	1MΩ / 976kΩ — Nominal resistance matches.; 0402WGF9763TCE: 2.4% lower, but within target's ±5% tolerance.
Tolerance	±5%	±1%	±1%	±1% — Tighter tolerance is an upgrade.; 0402WGF9763TCE: Tighter tolerance is an upgrade.
Power	1/16W	1/16W	1/16W	1/16W — Power rating matches.; 0402WGF9763TCE: Power rating matches.
Tcr	±100ppm/℃	±200 ppm/°C	Not specified	±200 ppm/°C / Not specified — Worse TCR may affect stability.; 0402WGF9763TCE: TCR data is missing, must check datasheet.

Application & sourcing insights

Questions & answers

RMC04021M1%N by TYOHM is a strong candidate, offering the same resistance and a tighter tolerance (±1%). However, its temperature coefficient (TCR) is higher (±200ppm/°C), which requires review for temperature-sensitive applications.