Is there a pin-compatible replacement for GBLC15C-N?

Yes, TPSD3C151L is a potential pin-compatible replacement in the same SOD-323 package. It matches key electricals like 15V working voltage and 1.0pF capacitance.

What risks should I check before replacing GBLC15C-N?

The most critical parameter to check is capacitance. The target has a very low 1.0pF capacitance for high-speed lines. Also verify working voltage (15V) and polarity (bi-directional).

GBLC15C-N Alternatives, Datasheet & Cross Reference | BORN

Q: What is the best alternative to GBLC15C-N?

TPSD3C151L is the best alternative found, offering pin-compatibility and upgraded protection while matching the critical 1.0pF low capacitance.

GBLC15C-N is a low-capacitance (1.0pF) bi-directional TVS diode in a SOD-323 package, designed to protect 15V high-speed data lines. Finding a replacement requires matching the package, voltage, and especially the low capacitance to maintain signal integrity.

AI replacement insight

Electrical riskhigh

Capacitance must be matched (<=1.0pF) to avoid signal degradation in high-speed circuits.

Package risklow

SOD-323 is a standard package with a simple 2-pin layout.

Can it be replaced directly?

Yes, TPSD3C151L by TECH PUBLIC is a potential pin-compatible replacement. It matches the package, voltage, and low capacitance, and offers improved protection ratings.

Best replacement path

TPSD3C151L is a strong pin-compatible candidate, offering upgraded power and current handling while matching the critical 15V working voltage and 1.0pF capacitance.

Main risk

The main risk when substituting GBLC15C-N is using a part with higher capacitance, which can degrade high-speed signals. Many alternatives have 30x higher capacitance.

Recommended alternatives

Pin-compatible alternative with matching voltage and low capacitance, plus upgraded power and current ratings.

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Alternative comparison matrix

Feature / factor	GBLC15C-N	TPSD3C151L	PSD15C-ES	Compatibility / risk
Package	SOD-323	SOD-323	SOD-323	SOD-323 — Form factor matches.; PSD15C-ES: Form factor matches.
Polarity	Bi-directional	Bi-directional	Bi-directional	Bi-directional — Polarity matches.; PSD15C-ES: Polarity matches.
Voltage	15.0V	15.0V	15.0V	15.0V — Reverse working voltage matches.; PSD15C-ES: Reverse working voltage matches.
Capacitance	1.0pF	1.0pF	36pF	1.0pF / 36pF — Low capacitance matches, suitable for high-speed lines.; PSD15C-ES: Significantly higher capacitance.
Power	240W	330W	550W	330W / 550W — Higher peak power rating provides more robust protection.; PSD15C-ES: Higher peak power rating.
Current	6A	8A	-	8A — Higher peak current (verified from datasheet).

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