Best Alternatives to STE1206M1W0R100F

Package: 1206Suzhou Walter Electronic Co., Ltd.Specialized ResistorsResistance: 100mΩPower Rating: 1WTolerance: ±1%TCR: ±50ppm/℃Temperature Coefficient: ±50ppm/℃

Reviewing alternatives for the WALTER STE1206M1W0R100F, a 1W, 0.1Ω, 1% current sense resistor in a 1206 package. Key considerations for substitutes include matching the TCR and physical package size.

AI replacement insight

Package riskhigh

Several alternatives are in a larger 2512 package, requiring a PCB redesign.

Electrical riskmedium

The pin-compatible option has a worse TCR, which can affect measurement accuracy.

Can it be replaced directly?

No direct, fully equivalent replacement was found. The closest option, PE1206FRF470R1L, has a weaker TCR and requires engineering review.

Best replacement path

For a drop-in replacement, evaluate PE1206FRF470R1L, verifying the impact of its higher TCR. For new designs, consider a 2512 part for higher power.

Main risk

The primary risk is either a physical mismatch due to a different package size or a performance degradation due to a weaker Temperature Coefficient (TCR).

Recommended alternatives

2
PE1206FRF470R1L package
Needs validationmedium risk

Pin-compatible 1206 resistor with same resistance and power, but a weaker temperature coefficient (TCR).

View details

Alternative comparison matrix

Feature / factorSTE1206M1W0R100FPE1206FRF470R1LRLP25FEGR100Alt 3Compatibility / risk
Package1206120625121206 / 2512 — Same package and footprint.; RLP25FEGR100: Larger package requires PCB redesign.
Resistance0.1Ω0.1Ω0.1Ω0.1Ω — matched; RLP25FEGR100: matched
Power1W1W3W1W / 3W — matched; RLP25FEGR100: Higher power rating is an upgrade.
Tcr±50ppm/℃±100 ppm/°C±50 ppm/℃±100 ppm/°C / ±50 ppm/℃ — Candidate has worse temperature stability.; RLP25FEGR100: matched
Tolerance±1%±1%-±1% — matched

Application & sourcing insights

Questions & answers

The Yageo PE1206FRF470R1L is a strong candidate in the same 1206 package, but has a higher TCR (±100ppm/°C vs ±50ppm/°C). For applications allowing a board redesign, parts like the TAI-TECH RLP25FEGR100 offer higher power in a 2512 package.