Is there a pin-compatible replacement for mSMD200-16V?

Yes, ASMD1812-200-30V and SMD1812-200C-16V are strong candidates for a pin-compatible replacement. They share the same 2-pin 1812 package and key electrical ratings. However, always verify the land pattern in the datasheet.

What risks should I check before replacing mSMD200-16V?

Before replacing, verify the substitute's hold current (Ih) and trip current (It) match your protection needs. Also, check the time-to-trip curve and resistance values in the datasheet to ensure similar circuit behavior.

mSMD200-16V Alternatives, Datasheet & Cross Reference | TECHFUSE

Find and compare verified alternatives for the TECHFUSE mSMD200-16V, a 2.0A 16V PTC resettable fuse in an 1812 package. This guide helps you select a suitable replacement based on critical electrical and physical parameters.

AI replacement insight

Package risklow

All viable candidates use the same 1812 package, ensuring physical compatibility.

Electrical riskmedium

Must match hold current (2.0A). Time-to-trip and resistance curves should be verified in datasheets.

Can it be replaced directly?

Yes, several parts like ASMD1812-200-30V and SMD1812-200C-16V are strong candidates with the same 1812 package and 2.0A hold current.

Best replacement path

ASMD1812-200-30V is the best path, offering identical protection current with a superior voltage rating.

Main risk

The primary risk is using a substitute with a higher hold current, which would reduce the level of overcurrent protection.

Recommended alternatives

A form-fit-function alternative with identical package and key electrical ratings.

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Alternative comparison matrix

Feature / factor	mSMD200-16V	ASMD1812-200-30V	SMD1812-200C-16V	SMD1812-260C-24V	Compatibility / risk
Package	1812	1812	1812	1812	1812 — Same package size ensures physical compatibility.; SMD1812-200C-16V: Same package size ensures physical compatibility.; SMD1812-260C-24V: Same package size ensures physical compatibility.
Voltage	16.0V	30.0V	16.0V	24.0V	30.0V / 16.0V / 24.0V — Higher voltage rating provides increased design margin.; SMD1812-200C-16V: Voltage rating matches target exactly.; SMD1812-260C-24V: Higher voltage rating provides increased design margin.
Current	2.0A	2.0A	2.0A	2.6A	2.0A / 2.6A — Hold current matches target specification.; SMD1812-200C-16V: Hold current matches target specification.; SMD1812-260C-24V: Higher hold current may alter circuit protection behavior.
Power	0.8W	0.8W	0.8W	-	0.8W — Typical power dissipation matches target.; SMD1812-200C-16V: Typical power dissipation matches target.

Application & sourcing insights

Questions & answers

The best alternative is ASMD1812-200-30V. It matches the critical 2.0A hold current and 1812 package, while offering a higher 30V rating for better voltage transient protection.