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Windowless Photodiode features circular active area.

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August 21, 2014 - Housed in TO-39, 3-pin windowless package that delivers responsivity down to 1 nm, Model SXUV features active area of ∅2.5 mm and minimum shunt resistance of 20 MΩ at 10 mV. Additional device parameters include reverse breakdown voltage of 20 V, with capacitance of 1 nF and response time of 1–2 ns. Operating from -10 to 40C ambient, photodiode is suited for high power laser monitoring at wavelengths from 1–200 nm, or other tasks that require stable photodiode after EUV exposure.

Opto Diode Introduces the SXUV5 Ã~2.5 mm Photodiode

Opto Diode Corp.
750 Mitchell Rd.
Newbury Park, CA, 91320

Press release date: August 14, 2014

Newbury Park, CA – Opto Diode (, a division of ITW, and a member of the ITW Photonics Group, introduces a new photodiode with a circular active area, the SXUV 2.5 mm. The new device provides excellent stability after extreme ultraviolet (EUV) conditions. It is housed in a TO-39,3-pin, windowless package that delivers responsivity down to 1 nm. The active area is typically 2.5 mm and has a minimum shunt resistance (Rsh) of 20 MOhms @ 10 mV (typical). The new photodiode is well suited for high power laser monitoring at wavelengths 1nm – 200nm, or other tasks that require a highly-stable photodiode after EUV exposure.

The device parameters include reverse breakdown voltage of 20 Volts, with the capacitance of 1 nanofarads (nF). The response time is 1 nanosecond (typical) to a maximum of 2 nanoseconds.

Storage and operating temperatures range from -10 degrees C to 40 degrees C (ambient) and from -20 degrees C to 80 degrees C (in nitrogen or vacuum conditions). The lead soldering temperature (0.08 inches from the case for10 seconds) is 260 degrees C; the maximum junction temperature is 70 degrees C.

To learn more about Opto Diode’s unique, highly stable SXUV 2.5 mm, or to view its photon responsivity graph on page 2 of the pdf, please go to:

Opto Diode Corporation ( based in Newbury Park, California, is a member of the ITW Photonics Group, delivering high-performance, standard and custom photodetectors, and reliable, high quality, standard and custom infrared and visible LEDs. The company, with the recent acquisition of International Radiation Detectors, also designs and manufactures semiconductor radiation devices that detect photons in the UV range, X-rays, and other high energy particles. The domestic U. S. manufacturing plant includes a wafer fab and ensures delivery of volume quantities at competitive prices with short lead times. Opto Diode’s rigorous quality control standards meet their customer’s strictest requirements in a variety of industries, including test & measurement, biotechnology, medical, entertainment, military/defense, industrial, aerospace, automotive, R&D and more.

About ITW Photonics Group: ITW, a diversified manufacturer of advanced industrial technology, has brought together three of its photonics business units to form the ITW Photonics Group. The ITW Photonics Group was created to bring together and build on the technical expertise of three individual companies that specialize in photonics technology and span the full spectrum of wavelengths. The group consists of Lumex (LED and LCD technology, headquarters in Carol Stream, IL and Taiwan), Cal Sensors (IR detector and emitter technology, based in Santa Rosa, CA) and Opto Diode (LED, silicon photodiodes and electro-optical assembly technology, based in Newbury Park, CA).

The synergy of these industry frontrunners provides an unsurpassed range of photonic capabilities within a broad spectrum of markets, including medical, military and industrial controls. The ITW Photonics Group provides integrated solutions that encompass the technology and experience from all three business units, offering design engineers higher product performance with greater feature enhancements. For more information on the ITW Photonics Group, log onto:

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