Semtech Announces Newly Expanded 1.5W Zener Diode Family Qualified to MIL-PRF-19500/406M for High Reliability Space, Industrial and Medical Applications

The qualification of 1N4460 and 1N4461 rounds out the /406 family; now includes part numbers 1N4460-1N4496 with breakdown voltages rated from 6.2V to 200V, available both in axial and surface mount packaging

Semtech Announces Newly Expanded 1.5W Zener Diode Family Qualified to MIL-PRF-19500/406M for High Reliability Space, Industrial and Medical Applications (Graphic: Business Wire)

CAMARILLO, Calif.--()--Semtech Corporation (Nasdaq: SMTC), a leading supplier of analog and mixed-signal semiconductors, today announced the 1N4460 and 1N4461, two new additions to its growing portfolio of rectifiers, Zeners, and transient voltage suppressors, which are qualified on the Defense Logistics Agency (DLA) Land and Maritime Qualified Product List (QPL) and designed to meet the high reliability requirements of some of the most demanding applications, including satellites, industrial machinery, automobiles and medical equipment.

The newly-qualified 1.5 Watt Zener diode voltage regulators are available in all QPL levels from 1N through JAN, JANTX, JANTXV to JANS (space level), and along with the rest of the /406 product family, are hermetically glass-sealed, passivated devices that are available with axial leads or square end tabs for surface mounting.

“We are excited to announce the qualification of the latest additions to our Zener diode product family,” said Alan Burchfield, Product Marketing Director, Power and High Reliability Product Group at Semtech. “Our line of Zener voltage regulators, transient voltage suppressors, and silicon (and silicon carbide) rectifiers offer the rugged construction required by these demanding industries and expected by our customers, long-standing and new. We expect to continue expanding our QPL product line in the upcoming quarters.”

Semtech has a wide range of military-grade QPL products produced in a state-of-the-art manufacturing facility, which is certified to MIL-PRF-19500.

Key Features of the /406 family

  • Breakdown voltages ranging from 6.2V to 200V with 5% tolerance
  • Hermetic packaging
  • RθJL = 42°C/W at L = 0.375” (non-surface mount)
  • RθJEC = 20°C/W (surface mount)

Pricing and Availability

The /406 family is available immediately in production quantities. Please consult your local distributor for pricing and lead times. Semtech offers comprehensive design assistance, including field- and factory-based support. Datasheets, volume pricing, and delivery quotes are available at

About Semtech

Semtech Corporation is a leading supplier of analog and mixed-signal semiconductors for high-end consumer, enterprise computing, communications and industrial equipment. Products are designed to benefit the engineering community as well as the global community. The company is dedicated to reducing the impact it, and its products, have on the environment. Internal green programs seek to reduce waste through material and manufacturing control, use of green technology and designing for resource reduction. Publicly traded since 1967, Semtech is listed on the NASDAQ Global Select Market under the symbol SMTC. For more information, visit

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Semtech Corporation
David Guerra, 805-480-2184

Release Summary

Semtech Announces Newly Expanded 1.5W Zener Diode Family Qualified to MIL-PRF-19500/406M for High Reliability Space, Industrial and Medical Applications


Semtech Corporation
David Guerra, 805-480-2184