Is there a pin-compatible replacement for RMC08051K5%N?

Yes, many pin-compatible replacements are available in the standard 0805 package. Parts like Walsin's MR08X1001FTL are form, fit, and functionally similar, often with better specifications.

What risks should I check before replacing RMC08051K5%N?

Before replacing, verify the substitute's power rating is at least 0.1875W (1.5x the original), tolerance is ≤5%, and the temperature coefficient (TCR) is ≤100 ppm/°C to avoid circuit issues.

RMC08051K5%N Alternatives, Datasheet & Cross Reference | Tyohm

Find suitable replacements for the RMC08051K5%N, a common 1kΩ 0805 chip resistor. This guide reviews pin-compatible alternatives, focusing on key electrical parameters like power rating and tolerance to ensure a reliable substitution.

AI replacement insight

Electrical risklow

Low risk when choosing an upgrade. Risk increases if using a part with lower power rating or worse TCR.

Package risklow

0805 is a standard package with excellent availability.

Sourcing risklow

This is a very common resistor value with many manufacturers.

Can it be replaced directly?

Yes, several direct replacements exist for the RMC08051K5%N. Candidates like SR0805FR-471KL and MR08X1001FTL offer the same 1kΩ resistance and 0805 package with improved tolerance and power handling.

Best replacement path

The best replacements are upgrade paths offering tighter tolerance (1%) and higher power ratings (0.25W or more), such as parts from Yageo, Vishay, or Walsin.

Main risk

The main risk is using a substitute with a lower power rating or wider temperature coefficient (TCR), which could lead to premature failure.

Recommended alternatives

A pin-compatible high-power upgrade with a 0.5W rating and tighter 1% tolerance.

View details

Alternative comparison matrix

Feature / factor	RMC08051K5%N	CRCW08051K00FKEAHP	MR08X1001FTL	SR0805FR-471KL	Compatibility / risk
Package	0805 (2012 Metric)	0805	0805 (2012 metric)	0805	0805 / 0805 (2012 metric) — Package size matches.; MR08X1001FTL: Package size matches.; SR0805FR-471KL: Package size matches.
Resistance	1000.0 ohm	1000.0 ohm	1000.0 ohm	1000.0 ohm	1000.0 ohm — Resistance matches.; MR08X1001FTL: Resistance matches.; SR0805FR-471KL: Resistance matches.
Power	0.125 W	0.5 W	0.25 W	0.5 W	0.5 W / 0.25 W — High-power version provides significant margin.; MR08X1001FTL: Higher power rating provides more design margin.; SR0805FR-471KL: Higher power rating provides more design margin.
Tolerance	5.0 %	1.0 %	1.0 %	1.0 %	1.0 % — Tighter tolerance improves precision.; MR08X1001FTL: Tighter tolerance improves precision.; SR0805FR-471KL: Tighter tolerance improves precision.
Tcr	±100 ppm/°C	±100 ppm/°C	-	-	±100 ppm/°C — Temperature coefficient matches.
Application	General Purpose	-	AEC-Q200, Sulfur Resistant	AEC-Q200	AEC-Q200, Sulfur Resistant — Added qualifications for harsh environments.; SR0805FR-471KL: Automotive qualification may be beneficial.

Application & sourcing insights

Questions & answers

The best alternatives are upgrade-path components like Vishay's CRCW08051K00FKEAHP or Yageo's SR0805FR-471KL, which offer higher power ratings and tighter tolerance in the same 0805 package.