Is there a pin-compatible replacement for PESD5V0U1BL,315?

While several parts share the SOD882 package, no direct pin-to-pin replacement has been identified without significant parametric differences. Key parameters like capacitance and standoff voltage must be carefully verified for your application.

What risks should I check before replacing PESD5V0U1BL,315?

The main risks are capacitance and standoff voltage. Higher capacitance can degrade high-speed signals. A higher standoff voltage (e.g., 7V vs 5V) may not adequately protect circuits operating at 5V. Always verify these in your design.

PESD5V0U1BL,315 Alternatives, Datasheet & Cross Reference | Nexperia USA Inc.

PESD5V0U1BL,315 is a low-capacitance bidirectional TVS diode from Nexperia in a SOD882 package, designed for protecting high-speed 5V data lines. Finding a direct replacement requires matching its low capacitance and bidirectional characteristics.

AI replacement insight

Electrical riskhigh

Capacitance and standoff voltage differences require careful circuit analysis.

Package risklow

Alternatives in the same SOD882 package are available.

Can it be replaced directly?

No direct drop-in replacement was found. All candidates have significant parametric differences, primarily in capacitance or standoff voltage.

Best replacement path

Review functional alternatives like SP3522-01ETG, verifying if the higher 7V standoff voltage is acceptable for the circuit.

Main risk

The primary risk is signal degradation from using a higher capacitance part, or insufficient protection from a part with a higher standoff voltage.

Recommended alternatives

Same package and voltage, but much higher capacitance makes it unsuitable for high-speed applications without review.

View details

Alternative comparison matrix

Feature / factor	PESD5V0U1BL,315	PESD5V0S1BL,315	SP3522-01ETG	Compatibility / risk
Package	SOD882	SOD882	SOD882	SOD882 — Form factor matches.; SP3522-01ETG: Form factor matches.
Polarity Or Type	Bidirectional	Bidirectional	Bidirectional	Bidirectional — Polarity matches.; SP3522-01ETG: Polarity matches.
Voltage V	5.0V	5.0V	7.0V	5.0V / 7.0V — Reverse standoff voltage matches.; SP3522-01ETG: Higher standoff voltage may offer less protection for 5V circuits.
Capacitance	~2.9pF	~95pF	0.15pF	~95pF / 0.15pF — Significantly higher capacitance, may impact high-speed signals.; SP3522-01ETG: Extremely low capacitance is an upgrade for high-speed signals.

Application & sourcing insights

Questions & answers

PESD5V0S1BL,315 is from the same family but has much higher capacitance, making it unsuitable for high-speed lines. SP3522-01ETG has a matching package and lower capacitance but a higher standoff voltage (7V) that requires review.