Is there a pin-compatible replacement for SP3022-01ETG?

Several parts like LESD8D5.0CAT5G share the same SOD882 package and pinout, but differ significantly in electrical characteristics like capacitance. They are form-fit compatible, but not functionally identical for high-speed use.

What risks should I check before replacing SP3022-01ETG?

The main risk is increased capacitance, which can degrade high-speed signal integrity (e.g., on USB 3.0, HDMI). Also check the reverse standoff voltage (VRWM), clamping voltage, and ESD protection levels to ensure they meet your system's protection needs.

SP3022-01ETG Alternatives, Datasheet & Cross Reference | Littelfuse

SP3022-01ETG is a low-capacitance (0.35pF) bidirectional TVS diode for high-speed data line protection. Finding a direct replacement requires matching its ultra-low capacitance and ESD ratings.

AI replacement insight

Electrical riskhigh

Most alternatives have much higher capacitance, impacting high-speed signals.

Package risklow

The SOD882 package is common and easy to match.

Can it be replaced directly?

No direct, drop-in replacement for SP3022-01ETG has been identified due to its unique combination of ultra-low capacitance and high ESD rating.

Best replacement path

For non-high-speed applications, consider a functional alternative like LESD8D5.0CAT5G. For high-speed use, a new part search focusing on sub-1pF capacitance is required.

Main risk

Signal integrity degradation from using a higher capacitance alternative on high-speed data lines.

Recommended alternatives

Functional alternative in a matching SOD882 package, but with much higher capacitance, limiting it to lower-speed applications.

View details

Alternative comparison matrix

Feature / factor	SP3022-01ETG	LESD8D5.0CAT5G	SP1007-01ETG	Compatibility / risk
Package	SOD882	SOD882	SOD882	SOD882 — Package matches.; SP1007-01ETG: Package matches.
Polarity	Bidirectional	Bidirectional	Bidirectional	Bidirectional — Polarity matches.; SP1007-01ETG: Polarity matches.
Voltage	5.3V	5.0V	6.0V	5.0V / 6.0V — Reverse standoff voltage is slightly lower but comparable.; SP1007-01ETG: Higher reverse standoff voltage may not protect 5V rails adequately.
Capacitance	0.35pF	15pF	5pF	15pF — Significantly higher capacitance, not for high-speed lines.; SP1007-01ETG: Significantly higher capacitance than target.
Power	20W	69W	-	69W — Higher peak power dissipation is an improvement.
Esd Rating	±20kV/±30kV	-	±8kV/±15kV	±8kV/±15kV — Significantly lower ESD protection.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. LESD8D5.0CAT5G has a similar voltage rating but much higher capacitance, making it suitable only for lower-speed applications. Always verify parameters against your circuit's requirements.