Is there a pin-compatible replacement for LESD5D5.0CT1G-ES?

Yes, several parts like PESD5V0S1BBN and H5VUD5BB use the same 2-pin SOD-523 package and are pin-compatible. However, none are electrically equivalent, and their performance must be carefully reviewed.

What risks should I check before replacing LESD5D5.0CT1G-ES?

Before replacing, you must verify the clamping voltage (Vc), as most alternatives offer weaker protection. Also check the peak pulse power (Ppp) and junction capacitance (Cj) to ensure they fit your application's needs.

LESD5D5.0CT1G-ES Alternatives, Datasheet & Cross Reference | ElecSuper

LESD5D5.0CT1G-ES is a 5V bidirectional TVS diode in a SOD-523 package, offering a strong balance of protection and performance. Finding an equivalent replacement is challenging, as most alternatives have weaker clamping characteristics.

AI replacement insight

Electrical riskhigh

Most candidates have a much higher clamping voltage, failing to provide equivalent protection.

Package risklow

All kept candidates use the same SOD-523 package, ensuring form-fit compatibility.

Sourcing risklow

Multiple manufacturers produce parts in this package and voltage rating, though performance varies.

Can it be replaced directly?

No, there are no direct drop-in replacements for LESD5D5.0CT1G-ES among the candidates reviewed. Several parts share the same package, but none match its key electrical performance.

Best replacement path

H5VUD5BB is a potential upgrade with higher power and much lower capacitance, but its clamping voltage must be verified from the datasheet before it can be considered a suitable alternative.

Main risk

The primary risk is electrical overstress. Most alternatives have a significantly higher clamping voltage, which means they will provide less protection to the downstream circuit than the original part.

Recommended alternatives

A potential upgrade with better power and capacitance, but requires datasheet review to verify clamping voltage.

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Alternative comparison matrix

Feature / factor	LESD5D5.0CT1G-ES	H5VUD5BB	H5VND5B	PESD5V0S1BBN	Compatibility / risk
Package	SOD-523	SOD-523	-	-	SOD-523 — Form factor matches.
Polarity Or Type	Bi-directional	Bidirectional	-	-	Bidirectional — Polarity matches.
Power	80W	125W	-	-	120W — Higher peak power handling.
Capacitance	15pF	0.3pF	-	-	20pF — Slightly higher capacitance may affect high-speed signals.
Voltage	8V @ 1A	Not specified	-	-	10V - 15V — Clamping voltage is higher, offering less protection.

Application & sourcing insights

Questions & answers

The best potential alternative is H5VUD5BB, which offers upgraded power and capacitance. However, its clamping voltage is not specified and must be verified from its datasheet before use. Other options are downgrades.