Is there a pin-compatible replacement for JK-NSMD200L-12V?

Yes, several parts like SMD1206-200C-12V and ASMD1206-200-16V share the same 2-pin 1206 package. However, always verify key electrical parameters like max fault current before final selection.

What risks should I check before replacing JK-NSMD200L-12V?

Key risks include mismatched hold current, which affects protection level, and lower max fault current (Imax), which could lead to device failure under severe shorts. Also check trip current (It) and resistance characteristics.

JK-NSMD200L-12V Alternatives, Datasheet & Cross Reference | Jinrui Electronic Materials Co.

Finding a replacement for the JK-NSMD200L-12V PTC fuse involves matching the 1206 package, 2A hold current, and 12V rating. Several alternatives exist with similar or improved characteristics.

AI replacement insight

Electrical riskhigh

Mismatched hold current (Ih) or max fault current (Imax) can compromise circuit protection.

Package risklow

All viable candidates share the same 1206 package, ensuring physical compatibility.

Can it be replaced directly?

Yes, ASMD1206-200-16V is a strong candidate, matching the hold current and package while offering superior voltage and fault current ratings.

Best replacement path

ASMD1206-200-16V is a strong upgrade, matching the 2A hold current while improving voltage and fault current ratings.

Main risk

The primary risk is selecting a part with a lower maximum fault current (Imax) rating than the original's 50A, which could be insufficient.

Recommended alternatives

Strong alternative in the same package with identical hold current and voltage, but a lower max fault current rating.

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Alternative comparison matrix

Feature / factor	JK-NSMD200L-12V	ASMD1206-200-16V	SMD1206-200C-12V	SMD1206-200C-16V	Compatibility / risk
Package	1206	1206	1206	1206	1206 — Same package and pin count.; SMD1206-200C-12V: Same package and pin count.; SMD1206-200C-16V: Same package and pin count.
Current	50A	100A	3.5A	40A	100A / 3.5A / 40A — Max fault current (Imax) is higher.; SMD1206-200C-12V: Trip current (It) is slightly lower, which is a safe difference.; SMD1206-200C-16V: Max fault current (Imax) is lower.
Voltage	12V	16V	12.0V	16V	16V / 12.0V — Max voltage (Vmax) is higher.; SMD1206-200C-12V: Max voltage (Vmax) matches.; SMD1206-200C-16V: Max voltage (Vmax) is higher.

Application & sourcing insights

Questions & answers

ASMD1206-200-16V by JDTfuse is an excellent alternative, offering the same 2A hold current with higher voltage (16V) and fault current (100A) ratings in the same 1206 package.