Is there a pin-compatible replacement for ESDSU5V0A1?

Yes, parts like LXES1UTAA1-157 and TPESD5311N use the same DFN1006-2 package and are pin-compatible, but have different electrical characteristics that must be reviewed.

What risks should I check before replacing ESDSU5V0A1?

Key risks are capacitance, ESD immunity, and power rating. A higher capacitance can degrade high-speed signals. Lower ESD or power ratings reduce circuit protection.

ESDSU5V0A1 Alternatives, Datasheet & Cross Reference | Jiangsu Changjing Electronics Technology Co., Ltd.

ESDSU5V0A1 is an ultra-low capacitance bi-directional TVS diode for high-speed line protection. Finding a substitute requires matching the DFN1006-2 package, 5V rating, and sub-picofarad capacitance.

AI replacement insight

Package risklow

DFN1006-2 is a standard package with several pin-compatible options.

Electrical riskmedium

Key risks are slightly higher capacitance or lower ESD ratings in available alternatives.

Can it be replaced directly?

No perfect drop-in replacement was found. LXES1UTAA1-157 is the closest functional match, but has a lower ESD rating that requires engineering review.

Best replacement path

LXES1UTAA1-157 is the most promising path, assuming its lower ESD rating is acceptable for the application.

Main risk

The primary risk is substituting a part with mismatched capacitance, which can affect signal integrity, or with lower ESD immunity, which reduces protection.

Recommended alternatives

A functional alternative with very similar low capacitance and higher power rating, but reduced ESD immunity.

View details

Alternative comparison matrix

Feature / factor	ESDSU5V0A1	LXES1UTAA1-157	TPESD5311N	Compatibility / risk
Package	DFN1006-2	DFN1006-2	DFN1006-2	DFN1006-2 — Form-fit compatible.; TPESD5311N: Form-fit compatible.
Voltage	5.0V	5.0V / 6.0V	5.0V	5.0V / 6.0V — Working voltage is compatible.; TPESD5311N: matched
Power	70W	110W	60W	110W / 60W — Higher power rating is an upgrade.; TPESD5311N: Lower power rating.
Capacitance	0.3pF	0.5pF	0.18pF	0.5pF / 0.18pF — Very close to target's ultra-low capacitance.; TPESD5311N: Lower capacitance is beneficial for signal integrity.
Esd Rating	±25kV contact	±8kV contact	±8kV contact	±8kV contact — Lower ESD immunity.; TPESD5311N: Significantly lower ESD immunity.

Application & sourcing insights

Questions & answers

LXES1UTAA1-157 is a strong functional alternative if its lower ESD rating is acceptable. It matches key parameters like package and ultra-low capacitance.