Is there a pin-compatible replacement for mSMD110-16V?

Yes, the BNstar SMD1812-110C-33V is a pin-compatible replacement. It matches the 1812 package, pin count, and key electrical ratings like hold and trip current.

What risks should I check before replacing mSMD110-16V?

When substituting, verify the hold current, trip current, and max voltage. Also check the time-to-trip characteristics and resistance values from the datasheets to ensure they meet your circuit's protection needs.

mSMD110-16V Alternatives, Datasheet & Cross Reference | TECHFUSE

Finding a replacement for the TECHFUSE mSMD110-16V PTC fuse involves matching the 1812 package, 1.1A hold current, and 16V rating. Key alternatives exist with identical or improved specifications.

AI replacement insight

Electrical risklow

Low if using a matched-current part like SMD1812-110C-33V. High otherwise.

Package risklow

The 1812 package is standardized, making physical replacement straightforward.

Can it be replaced directly?

Yes, the BNstar SMD1812-110C-33V is a direct functional replacement with an improved voltage rating.

Best replacement path

The BNstar SMD1812-110C-33V is the best replacement path, offering an upgrade in voltage while matching all other critical parameters.

Main risk

The main risk is selecting a part with a different hold or trip current, which would compromise the intended overcurrent protection.

Recommended alternatives

A strong alternative with identical hold/trip currents and a higher voltage rating in the same 1812 package.

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Alternative comparison matrix

Feature / factor	mSMD110-16V	SMD1812-110C-33V	SMD1812-150C-33V	Compatibility / risk
Package	1812	1812	1812	1812 — Form factor matches.; SMD1812-150C-33V: Form factor matches.
Current	2.2A	2.2A	1.5A	2.2A / 1.5A — Trip current matches.; SMD1812-150C-33V: Higher hold current reduces protection sensitivity.
Voltage	16.0V	33.0V	33.0V	33.0V — Higher voltage rating provides more margin.; SMD1812-150C-33V: Higher voltage rating is a safe upgrade.
Power	0.8W	0.8W	1.0W	0.8W / 1.0W — Power dissipation matches.; SMD1812-150C-33V: Higher power dissipation is acceptable.

Application & sourcing insights

Questions & answers

The BNstar SMD1812-110C-33V is an excellent alternative, offering the same 1.1A hold current and 1812 package with a higher 33V voltage rating.