Is there a pin-compatible replacement for HoLRT1206-1W-300mR-1%?

No pin-to-pin replacement was found. HoYH1206-1W-330mR-1% shares the 1206 package but its resistance is 0.33Ω (10% higher) and TCR is worse, requiring engineering validation.

What risks should I check before replacing HoLRT1206-1W-300mR-1%?

Key risks include: 1) Package mismatch requiring PCB redesign. 2) Resistance deviation affecting current sensing accuracy. 3) Higher TCR causing drift over temperature. 4) Insufficient power rating.

HoLRT1206-1W-300mR-1% Alternatives, Datasheet & Cross Reference | Shenzhen Milliohm Electronics Co., Ltd.

Finding a substitute for the HoLRT1206-1W-300mR-1% requires matching its 1206 package, 1W power, and 0.3Ω 1% precision. Alternatives may differ, requiring review.

AI replacement insight

Electrical riskmedium

Candidates have different resistance or TCR values.

Package riskhigh

One candidate has a different package, requiring board redesign.

Can it be replaced directly?

No direct, pin-compatible replacement has been identified. All candidates have significant differences in package or electrical parameters.

Best replacement path

No direct drop-in found. HoYH1206-1W-330mR-1% is same package but different specs. HoYLR2512-3W-300mR-1% is electrically better but needs a new PCB layout.

Main risk

The primary risks are package mismatch requiring board redesign, or parametric deviations (resistance, TCR) impacting circuit performance.

Recommended alternatives

Functionally similar with higher power, but in a larger 2512 package requiring board redesign.

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Alternative comparison matrix

Feature / factor	HoLRT1206-1W-300mR-1%	HoYLR2512-3W-300mR-1%	HoYH1206-1W-330mR-1%	Compatibility / risk
Package	1206	2512	1206	2512 / 1206 — Requires PCB layout change.; HoYH1206-1W-330mR-1%: Package size matches.
Power	1.0W	3.0W	1.0W	3.0W / 1.0W — Higher power rating provides more margin.; HoYH1206-1W-330mR-1%: No power margin over target.
Resistance	0.3Ω	0.3Ω	0.33Ω	0.3Ω / 0.33Ω — Resistance value matches.; HoYH1206-1W-330mR-1%: 10% higher resistance, may affect accuracy.
Tolerance	±1%	±1%	-	±1% — Tolerance matches.
Tcr	±50ppm/℃	±50ppm/℃	≤100ppm/°C	±50ppm/℃ / ≤100ppm/°C — Temperature coefficient matches.; HoYH1206-1W-330mR-1%: Worse temperature stability.
Technology	Alloy Thin Film	-	Ceramic Alloy	Ceramic Alloy — Different technology may affect secondary characteristics.

Application & sourcing insights

Questions & answers

There is no single best alternative. For electrical performance, HoYLR2512-3W-300mR-1% is strong but needs a board change. For form-factor, HoYH1206-1W-330mR-1% fits but has different electrical values.