Is there a pin-compatible replacement for SMD1206-050C-16V?

Yes, SMD1206-050C-30V and SMD1206-050C-24V are considered pin-compatible replacements. They share the same 1206 package and critical electrical ratings like hold current.

What risks should I check before replacing SMD1206-050C-16V?

Before replacing, verify the hold current (Ih), trip current (It), and max voltage (Vmax). Also check the resistance values (Rmin, R1max) as they can affect inrush current and post-trip behavior.

SMD1206-050C-16V Alternatives, Datasheet & Cross Reference | BNstar

Finding a substitute for the BNSTAR SMD1206-050C-16V PTC fuse involves matching its 1206 package, 0.5A hold current, and 16V rating. Several options offer upgraded voltage for enhanced reliability.

AI replacement insight

Package risklow

Many alternatives exist in the standard 1206 package.

Electrical riskmedium

Requires careful matching of hold/trip current and resistance characteristics.

Can it be replaced directly?

Yes, SMD1206-050C-30V and SMD1206-050C-24V are strong candidates for direct replacement, matching the package and critical current ratings.

Best replacement path

SMD1206-050C-30V is the best alternative, offering identical performance with a higher voltage rating for more design margin.

Main risk

The main risk when substituting PTC fuses is mismatching the hold (Ih) and trip (It) currents, which can lead to inadequate circuit protection.

Recommended alternatives

A pin-compatible PTC fuse with identical hold current and a higher 30V voltage rating.

View details

Alternative comparison matrix

Feature / factor	SMD1206-050C-16V	SMD1206-050C-30V	SMD1206-050C-24V	SMD1206-075C-30V	Compatibility / risk
Package	1206	1206	1206	1206	1206 — Same package ensures form-fit compatibility.; SMD1206-050C-24V: Same package ensures form-fit compatibility.; SMD1206-075C-30V: Same package ensures form-fit compatibility.
Current	1.0A	1.0A	0.5A	1.5A	1.0A / 0.5A / 1.5A — Trip current (It) matches target.; SMD1206-050C-24V: Identical hold current (Ih) ensures same protection level.; SMD1206-075C-30V: Higher trip current (It) means the fuse will trip later.
Voltage	16V	30V	24V	30V	30V / 24V — Higher voltage rating provides increased safety margin.; SMD1206-050C-24V: Higher voltage rating provides increased safety margin.; SMD1206-075C-30V: Higher voltage rating provides increased safety margin.
Resistance	0.70Ω	-	0.80Ω	-	0.80Ω — Max post-trip resistance (R1max) is slightly higher.

Application & sourcing insights

Questions & answers

The best alternative is SMD1206-050C-30V. It matches the 1206 package, 0.5A hold current, and offers a higher voltage rating of 30V for increased robustness.