Is there a pin-compatible replacement for NUP2105LT1G-ES?

Yes, several parts like SM24CANB-02HTG and PESD2IVN24-TR-ES use the same SOT-23 package and pin configuration. However, key electrical parameters like power rating and clamping voltage differ and must be reviewed before substitution.

What risks should I check before replacing NUP2105LT1G-ES?

The main risks are insufficient power handling and higher clamping voltage. A lower power rating (e.g., 300W vs 600W) can lead to device failure. A higher clamping voltage (e.g., 50V vs 40V) may not adequately protect the circuit.

NUP2105LT1G-ES Alternatives, Datasheet & Cross Reference | ElecSuper

NUP2105LT1G-ES is a 24V, 600W bidirectional TVS diode in a SOT-23 package for ESD and surge protection. Finding a replacement requires matching voltage, power rating, clamping voltage, and package.

AI replacement insight

Electrical riskmedium

Substitutes may have lower power ratings or higher clamping voltages.

Package risklow

All viable candidates match the SOT-23 package.

Firmware risklow

Not applicable for this passive component.

Can it be replaced directly?

No perfect drop-in replacement was found. SM24CANB-02HTG is the strongest candidate but has a 500W power rating compared to the original's 600W. Engineering review is essential.

Best replacement path

SM24CANB-02HTG offers the closest match with a minor power downgrade (500W vs 600W).

Main risk

The primary risk is using a substitute with a lower power rating or higher clamping voltage, which could compromise circuit protection.

Recommended alternatives

A close parametric alternative in a SOT-23 package with a slightly lower 500W power rating.

View details

Alternative comparison matrix

Feature / factor	NUP2105LT1G-ES	SM24CANB-02HTG	PESD2IVN24-TR-ES	Compatibility / risk
Package	SOT-23	SOT-23	SOT-23	SOT-23 — Form factor matches.; PESD2IVN24-TR-ES: Form factor matches.
Voltage	24V	24V	-	24V — Operating voltage matches.
Power	600W	500W	600W	500W / 600W — Slightly lower peak power rating.; PESD2IVN24-TR-ES: Peak power rating matches.
Clamping Voltage	40V	40V @ 10A	50V	40V @ 10A / 50V — Clamping voltage matches per TECH PUBLIC datasheet.; PESD2IVN24-TR-ES: Higher clamping voltage presents a risk.
Polarity Or Type	Bidirectional	Bi-directional	Bi-directional	Bi-directional — Configuration matches.; PESD2IVN24-TR-ES: Configuration matches.

Application & sourcing insights

Questions & answers

SM24CANB-02HTG is a strong candidate, offering similar performance in the same SOT-23 package but with a slightly lower power rating of 500W. Verification of the application's surge requirements is recommended.