Is there a pin-compatible replacement for H5VND5B?

Several candidates share the same 2-pin SOD-523 package and are likely pin-compatible. However, no part has been verified as a direct drop-in replacement without reviewing electrical parameter differences like power rating or capacitance.

What risks should I check before replacing H5VND5B?

Key risks include: 1) ensuring the replacement's peak pulse power is sufficient (target is 120W), 2) verifying the clamping voltage protects downstream components, and 3) checking if the junction capacitance is suitable for your signal speed.

H5VND5B Alternatives, Datasheet & Cross Reference | Zhuhai Hongjiacheng Technology Co., Ltd.

H5VND5B is a 5V bi-directional TVS diode in a SOD-523 package, rated for 120W peak power. This page reviews potential alternatives, focusing on matching package, voltage, and key protection characteristics.

AI replacement insight

Electrical riskmedium

Candidates have different power, clamping voltage, or capacitance.

Package risklow

All kept candidates match the SOD-523 package.

Firmware risklow

Not applicable for this passive component.

Can it be replaced directly?

No verified direct drop-in replacement has been identified. The closest candidates require engineering review of key parameters like power rating, clamping voltage, or capacitance.

Best replacement path

LESD5D5.0CT1G(UMW) offers a higher power rating in the same package, but requires review of its clamping voltage. H5VUD5BB is an option for high-speed lines due to its ultra-low capacitance.

Main risk

The main risks are mismatched power ratings (downgrades) or significant differences in capacitance, which can affect circuit protection levels and signal integrity.

Recommended alternatives

Alternative from the same manufacturer with ultra-low capacitance, ideal for high-speed interfaces.

View details

Alternative comparison matrix

Feature / factor	H5VND5B	H5VUD5BB	LESD5D5.0CT1G(UMW)	PESD5V0S1BBN	Compatibility / risk
Package	SOD-523	SOD-523	-	-	SOD-523 — Form factor matches.
Voltage	5.0V	5.0V	-	-	5.0V — Working voltage matches.
Power	120.0W	125.0W	-	-	75.0W — Significantly lower power rating is a downgrade risk.
Capacitance	20pF	0.3pF	-	-	0.3pF — Ultra-low capacitance may alter circuit behavior.
Polarity Or Type	Bi-directional	-	Bi-directional	-	Bi-directional — Polarity matches.
Clamping Voltage	10V - 15V	-	11.6V (Typ)	-	11.6V (Typ) — Clamping voltage may differ, requires review.

Application & sourcing insights

Questions & answers

LESD5D5.0CT1G(UMW) is a strong candidate with a higher power rating (150W vs 120W), but its clamping voltage and capacitance must be verified for your application. For high-speed signals, H5VUD5BB is a good option due to its very low capacitance.