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Wide spectral response range: 0.32 to 1.65 μm, Compact ceramic package 1www.hamamatsu.com Structure Parameter Symbol Condition Speci fi cation Unit Window material - Borosilicate glass - Package - Ceramic - Photosensitive area - Si 2.4 × 2.4 mmInGaAs ϕ1.0 Absolute maximum ratings Parameter Symbol Condition Value Unit Reverse voltage V R max Si, Ta=25 °C 5 VInGaAs, Ta=25 °C 10 Operating temperature Topr No condensation -20 to +70 °C Storage temperature Tstg No condensation -20 to +85 °C Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the product within the absolute maximum ratings. Electrical and optical characteristics (Ta=25 °C) Parameter Symbol Condition Min. Typ. Max. Unit Spectral response range λ Si - 0.32 to 1.1 - μmInGaAs - 1.1 to 1.65 - Peak sensitivity wavelength λp Si - 0.96 - μmInGaAs - 1.55 - Photosensitivity S Si, λ=λp 0.3 0.45 - A/WInGaAs, λ=λp 0.3 0.55 - Dark current I D Si, VR=10 mV - 30 100 pAInGaAs, VR=10 mV - 80 400 Cutoff frequency fc Si, -3 dB, VR=0 V, RL=50 Ω 12- MHzInGaAs, -3 dB, VR=0 V, RL=50 Ω 51 0- Terminal capacitance Ct Si, VR=0 V, f=10 kHz - 60 110 pFInGaAs, VR=0 V, f=1 MHz - 130 200 Shunt resistance Rsh Si, VR=10 mV 100 300 - M Ω InGaAs, VR=10 mV 25 125 - M Ω Detectivity D * Si, λ=λp 5 × 10 12 1.4 × 1013 - cm∙Hz1/2/WInGaAs, λ=λp 5 × 10 11 3.5 × 1012 - Wide spectral response range Compact, low noise, low dark current Supports reflow soldering Radiation thermometers Spectrophotometers Features Applications The K12728-010K is a two-color detector in a compact ceramic package, covering a wide spectral response range. Like the current K1713-09, it incorporates an infrared-transmitting Si photodiode mounted over an InGaAs PIN photodiode, along the same optical axis. It features low noise and low dark current and supports refl ow soldering.

Two-color detector K12728-010K Spectral response Spectral transmittance of window material Dark current vs. reverse voltage Wavelength (μm) Photosensitivity (A/W) 0.3 0.5 0.4 0.6 0.2 0.1 (Typ. Ta=25 °C)0.7 InGaAs Si 0.01 0.1 1 10 100 Reverse voltage (V) Dark current 10 pA (Typ. Ta=25 °C) Si InGaAs 10 nA 100 pA 1 nA KIRDB0598EB KIRDB0600EA KIRDB0599EA (Typ. Ta=25 °C) Transmittance (%) Wavelength (μm) 100

Two-color detector K12728-010K Dimensional outline (unit: mm) ŒCathode (Si) Anode (Si) ŽCathode (InGaAs) Anode (InGaAs) 2.0 ± 0.2 2.5 ± 0.2 0.5 ± 0.1 3.7 ± 0.2 (0.15) Center position accuracy of photosensitive area -0.3≤X≤+0.3 -0.3≤Y≤+0.3 2.0 ± 0.2 Window Photosensitive area Si Photosensitive area InGaAs 2.0 ± 0.2 2.0 ± 0.2 (0.07) /boxopen6.6 ± 0.2 /boxopen7.0 ± 0.1 /boxopen8.0 ± 0.15 Index mark 2.4 ± 0.3 1.6 ± 0.2 0.7 ± 0.1 0.9 2.5 0.5 2.5 3.3 2.5 2.5 3.3 8.0 8.0 2.42.4 1.6 0.8 KIRDA0243EA KIRDC0119EA Element temperature (°C) -20 10 kΩ 100 kΩ 1000 2 04 06 08 0 10 TΩ 1 TΩ 100 GΩ 10 GΩ 1 GΩ 100 MΩ 10 MΩ 1 MΩ Shunt resistance (Typ. VR=10 mV) Si InGaAs Terminal capacitance vs. reverse voltage 1 nF 0.01 0.1 1 10 100 Reverse voltage (V) Terminal capacitance 100 pF 1 pF 10 pF 10 nF (Typ. Ta=25 °C) InGaAs (f=1 MHz) Si (f=10 kHz) KIRDB0601EA KIRDB0602EA Shunt resistance vs. element temperature Recommended land mark pattern (unit: mm)

Two-color detector K12728-010K Time (s) 0 50 100 500 550150 200 250 300 350 400 450 300 250 200 150 100 Temperature (°C) 260 °C max KIRDC0120EA Measured example of temperature profile with our hot-air reflow oven for product testing ∙ After unpacking, store the device in an environment at a temperature range of 5 to 30 °C and a humidity of 60% or less, and per form refl ow soldering within 4 weeks. ∙ The thermal stress applied to the device during re fl ow soldering varies depending on the circuit board and the re fl ow oven that is used. ∙ When setting the refl ow conditions, verify that the reliability of the device is not compromised by the refl ow soldering process.

Two-color detector K12728-010K Cat. No. KIRD1128E01 Aug. 2014 DN www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 8152-375-0, Fax: (49) 8152-265-8 France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Torshamnsgatan 35 16440 Kista, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.r.l.: Strada della Moia, 1 int. 6, 20020 Arese (Milano), Italy, Telephone: (39) 02-93581733, Fax: (39) 02-93581741 China: Hamamatsu Photonics (China) Co., Ltd.: B1201, Jiaming Center, No.27 Dongsanhuan Beilu, Chaoyang District, Beijing 100020, China, Telephone: (86) 10-6586-6006, Fax: (86) 10-6586-2866 Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to be accurate. In rare cases, however, there may be inaccuracies such as text errors. Before using these products, always contact us for the delivery specification sheet to check the latest specifications. The product warranty is valid for one year after delivery and is limited to product repair or replacement for defects discovered and reported to us within that one year period. However, even if within the warranty period we accept absolutely no liability for any loss caused by natural disasters or improper product use. Copying or reprinting the contents described in this material in whole or in part is prohibited without our prior permission. Information described in this material is current as of August, 2014. Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions ∙ Notice ∙ Metal, ceramic, plastic packages Technical information ∙ Infrared detector / Technical information