Is there a pin-compatible replacement for ESD9B5.0ST5G-N?

Several candidates like BTRD04A035 and ESD5451N use the same 2-pin DFN1006 package and are pin-compatible. As they are symmetrical devices, pin orientation is not a concern, but electrical parameters must be verified.

What risks should I check before replacing ESD9B5.0ST5G-N?

Key risks include: 1) Standoff voltage mismatch, which can damage the circuit or fail to protect it. 2) Higher junction capacitance, which can degrade high-speed signal integrity. 3) Lower power or peak current ratings, which can lead to failure under surge conditions.

ESD9B5.0ST5G-N Alternatives, Datasheet & Cross Reference | BORN

Find suitable replacements for the ESD9B5.0ST5G-N, a 5V bidirectional TVS diode in a DFN1006 package. Key parameters for alternatives include matching the 5V standoff voltage, DFN1006 package, and considering power rating and junction capacitance.

AI replacement insight

Electrical riskhigh

Incorrect voltage rating will fail to protect the circuit. Higher capacitance can degrade signal integrity.

Package risklow

All strong candidates use the same DFN1006 package, making physical replacement straightforward.

Sourcing risklow

Multiple vendors offer similar parts in this common package and voltage rating, providing sourcing flexibility.

Can it be replaced directly?

ESD5451N and BTRD04A035 are strong candidates for replacing ESD9B5.0ST5G-N, offering similar or better electrical characteristics in the same package, pending verification of peak current.

Best replacement path

BTRD04A035 offers an upgrade in performance, especially for high-speed signals, due to its very low capacitance.

Main risk

The main risk is selecting a part with incorrect standoff voltage or significantly different junction capacitance, impacting protection level and signal integrity.

Recommended alternatives

Excellent upgrade candidate with higher power and ultra-low capacitance, pending peak current verification.

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Alternative comparison matrix

Feature / factor	ESD9B5.0ST5G-N	BTRD04A035	ESD5451N	PESD5V0S1BLN-MS	Compatibility / risk
Package	DFN1006	DFN1006	DFN1006	DFN1006	DFN1006 — Package matches, likely pin-compatible.; ESD5451N: Package matches, likely pin-compatible.; PESD5V0S1BLN-MS: Package matches, likely pin-compatible.
Voltage	5.0V	5.0V	5.0V	5.0V	5.0V — Reverse standoff voltage matches.; ESD5451N: Reverse standoff voltage matches.; PESD5V0S1BLN-MS: Reverse standoff voltage matches.
Power	65W	110W	80W	60W	110W / 80W / 60W — Significantly higher peak pulse power.; ESD5451N: Higher peak pulse power is an improvement.; PESD5V0S1BLN-MS: Slightly lower peak pulse power.
Capacitance	8pF	0.22pF	12pF	15pF	0.22pF / 12pF / 15pF — Ultra-low capacitance is a major upgrade for high-speed lines.; ESD5451N: Slightly higher capacitance (from ES data).; PESD5V0S1BLN-MS: Higher capacitance may affect high-speed signals.
Current	5.0A	Missing	Missing	-	Missing — Peak pulse current missing from catalog data.; ESD5451N: Peak pulse current missing from catalog data.

Application & sourcing insights

Questions & answers

BTRD04A035 is a potential upgrade path due to its higher power rating and significantly lower junction capacitance, making it ideal for high-speed applications. However, its peak current rating requires verification from the datasheet.