On January 13, 2026, Microchip Technology Inc. (Nasdaq: MCHP) announced a groundbreaking advancement in transient voltage suppression technology with the launch of its JANPTX family of non-hermetic plastic Transient Voltage Suppressors (TVS). This innovative product line is specifically designed for the aerospace and defense sectors, boasting compliance with the MIL-PRF-19500 qualification. This milestone marks the first instance in the industry where plastic TVS devices have achieved such stringent military certification.

2. Key Features and Specifications

The JANPTX family includes a variety of models, with voltage ranges spanning from 5V to 175V. The specific variants introduced are:

JANPTX1N5555UJ

JANPTX1N5558UG

JANPTX1N5629AUJ

JANPTX1N5665AUG

JANPTX1N5907UG

JANPTX1N5907UJ

These devices are engineered to provide high-reliability protection for sensitive electronic components in demanding environments, such as those encountered in military and aerospace applications. Key features of the JANPTX TVS devices include:

A high peak pulse power rating of 1.5 kW.

Clamping response times of less than 100 picoseconds in internal testing.

Surface-mount unidirectional design, contributing to a lightweight solution weighing approximately 0.25 grams.

3. Enhanced Protection for Critical Applications

The JANPTX TVS devices are tailored to safeguard airborne avionics and other mission-critical electrical systems where reliability is paramount. Their advanced design mitigates various voltage transients, including lightning strikes, electrostatic discharge (ESD), and electrical surges. Furthermore, the devices meet and exceed several international standards, including IEC61000-4-2, IEC61000-4-4, and IEC61000-4-5, ensuring robust performance against switching transients, induced RF effects, Electromagnetic Pulse (EMP), and secondary lightning events.

4. Industry Impact and Expert Insights

Ronan Dillon, Associate Director of Microchip’s high-reliability and RF business unit, expressed his enthusiasm about the launch: “Microchip’s JANPTX family sets a new standard for military-grade transient protection in aerospace and defense. By delivering the first MIL-PRF-19500 qualified plastic TVS devices, we enable engineers to achieve high reliability and performance in a lightweight, cost-effective package.” This statement underscores the significance of the JANPTX family in enhancing operational efficiency and safety in military and aerospace applications.

5. Development Tools and Availability

To further assist engineers in integrating these devices into their designs, Microchip provides various SPICE models. These models allow for virtual circuit behavior predictions, streamlining the design process and reducing the need for time-consuming physical prototyping.

The JANPTX devices are currently available in production quantities, with purchasing options directly through Microchip or via authorized worldwide distributors.

6. Conclusion

Microchip Technology Inc.'s launch of the JANPTX family of non-hermetic plastic Transient Voltage Suppressors represents a notable advancement in military-grade electronic protection. By combining lightweight design with rigorous performance standards, these devices are set to play a crucial role in the aerospace and defense sectors, ensuring the safety and reliability of mission-critical applications. As the demand for high-reliability electronic solutions continues to rise, Microchip remains at the forefront, providing innovative products that meet the evolving needs of the industry.

Original press release