Is there a pin-compatible replacement for GBLC08C-N?

While several parts share the same SOD-323 package, none are electrically equivalent. The key difference is the target's ultra-low capacitance (1.0pF), which is critical for high-speed applications and not matched by the candidates.

What risks should I check before replacing GBLC08C-N?

The primary risk is signal degradation from using a high-capacitance replacement on a high-speed data line. Also, verify the working voltage (8V) is appropriate for your circuit, as higher voltage parts will offer less protection.

GBLC08C-N Alternatives, Datasheet & Cross Reference | BORN

GBLC08C-N is a low-capacitance 8V bidirectional TVS diode in a SOD-323 package, designed for protecting high-speed data lines. Finding a direct replacement requires matching its ultra-low 1.0pF capacitance to avoid signal degradation.

AI replacement insight

Electrical riskhigh

Candidate capacitance is 50-100x higher, which will distort high-speed signals.

Package risklow

All candidates share the same SOD-323 package.

Can it be replaced directly?

No direct drop-in replacements were found. All candidates have significantly higher capacitance (50-100pF vs 1.0pF), making them unsuitable for the target's high-speed data line protection role.

Best replacement path

Search for bidirectional TVS diodes in a SOD-323 package with an 8V working voltage and junction capacitance under 2pF.

Main risk

Signal integrity degradation due to high capacitance.

Recommended alternatives

Shares the SOD-323 package but has different electricals, requiring careful review of capacitance and voltage.

View details

Alternative comparison matrix

Feature / factor	GBLC08C-N	H12VND3B	SD12C.TCT	Compatibility / risk
Package	SOD-323	SOD-323	SOD-323	SOD-323 — Same package and pin count.; SD12C.TCT: Same package and pin count.
Polarity Or Type	Bidirectional (inferred)	Bidirectional	Bidirectional	Bidirectional — Polarity matches.; SD12C.TCT: Polarity matches.
Voltage V	8.0V	12.0V	12.0V	12.0V — Higher voltage offers less protection for an 8V line.; SD12C.TCT: Higher voltage offers less protection for an 8V line.
Junction Capacitance	1.0pF	50pF	100pF	50pF / 100pF — Significantly higher capacitance, unsuitable for high-speed lines.; SD12C.TCT: Significantly higher capacitance, unsuitable for high-speed lines.
Power W	350W	>1000W	350W	>1000W / 350W — Higher power rating is acceptable.; SD12C.TCT: Peak pulse power matches.

Application & sourcing insights

Questions & answers

No ideal alternative was found. The best path is to find a TVS diode with similar low capacitance (~1pF), 8V working voltage, and bidirectional polarity in a SOD-323 package. Standard TVS diodes are not suitable.