
MDD
A pin-compatible TVS diode in the same SOD-323 package with an identical 24V rating and higher surge current capability.
GBLC24C is a bidirectional 24V TVS diode in a compact SOD-323 package, designed for low-capacitance ESD protection. When searching for replacements, prioritize matching the 24V rating, bidirectional polarity, and SOD-323 footprint.
Using a part with incorrect voltage or current ratings can lead to circuit damage or failure to protect.
Selecting a different package like SOD-123FL requires a PCB layout change.
Direct replacement for GBLC24C should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
SD24C from the same manufacturer family is a strong candidate, offering a higher surge rating in the same package.
The primary risk is selecting a part with the wrong voltage rating (e.g., 36V instead of 24V) or insufficient peak pulse current (Ipp) capability.

MDD
A pin-compatible TVS diode in the same SOD-323 package with an identical 24V rating and higher surge current capability.
| Feature / factor | GBLC24C | SD24C | PESD1IVN27-A-ES | PESD24VL1BA-N | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD-323 | SOD-323 | SOD-323 | SOD-323 | SOD-323 — Package matches, enabling form-fit compatibility.; PESD1IVN27-A-ES: Package matches, likely pin-compatible.; PESD24VL1BA-N: Package matches, likely pin-compatible.; H24VND3BA: Package matches, likely pin-compatible. |
| Voltage | 24.0V | 24.0V | 24V | 24V | 24.0V / 24V — Reverse standoff voltage is identical.; PESD1IVN27-A-ES: Working voltage matches.; PESD24VL1BA-N: Working voltage matches.; H24VND3BA: Working voltage matches. |
| Polarity Or Type | Bi-directional TVS | Bidirectional | - | - | Bidirectional — Polarity matches, ensuring correct circuit behavior. |
| Current | 3.0A | 6.0A | - | - | 6.0A — Higher peak pulse current offers increased robustness. |
| Power | Not specified | 300.0W | 350W | 300W | 300.0W / 350W / 300W — Higher power rating provides better surge protection.; PESD1IVN27-A-ES: Peak pulse power is slightly higher, which is acceptable.; PESD24VL1BA-N: Peak pulse power matches.; H24VND3BA: Peak pulse power matches. |
| Capacitance | 0.8pF | - | 18pF | 15pF | 18pF / 15pF / 30pF — Capacitance is much higher, unsuitable for high-speed lines.; PESD24VL1BA-N: Capacitance is much higher, unsuitable for high-speed lines.; H24VND3BA: Capacitance is extremely high, unsuitable for high-speed lines. |
Verified drop-in options for GBLC24C are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.