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1www.hamamatsu.com Thermopile detectors T11262 series High sensitivity, for gas density measurement (T11262-01), for fl ame detection (T11262-06) The T11262-01 is a high-sensitivity thermopile detector suitable for gas density measurement or the like. It uses a TO-18 package with a window having high transmittance in the 3 to 5 μm spectral band. By attaching an external band-pass fi lter to the thermopile detector, customers can apply it to various types of gas density measurements. The T11262-06 employs a 4.45 μm band-pass fi lter and is suitable for fl ame detection applications. Spectral response: 3 to 5 μm (T11262-01), 4.45 μm (T11262-06) TO-18 package High sensitivity Features Applications Gas density measurement and the like (T11262-01) Flame detection (T11262-06) Absolute maximum ratings Parameter Symbol T11262-01 T11262-06 Unit Operating temperature Topr -30 to +85 -10 to +80 °C Storage temperature Tstg -40 to +100 -20 to +85 °C Electrical and optical characteristics (Ta=25 °C) Spectral response λ - 3 to 5 - - 4.45 - μm Photosensitivity S 1 Hz, 500 K 40 50 60 40 50 60 V/W Element resistance Re 100 125 150 100 125 150 kΩ Noise voltage Vn Johnson noise - 45 50 - 45 50 nV/Hz 1/2 Noise equivalent power NEP - 0.9 1.3 - 0.9 1.3 nW/Hz 1/2 Detectivity D* 0.9 × 108 1.3 × 108 - 0.9 × 108 1.3 × 108 -c m ∙Hz1/2/W Rise time tr 0 to 63% - 20 30 - 20 30 ms Temperature coeffi cient of element resistance TCR - ±0.1 -- ±0.1 - %/°C Field of view FOV Photosensitivity 50% - 90 - - 90 - degrees Structure Parameter Symbol Condition T11262-01 T11262-06 Unit Photosensitive area A 1.2 × 1.2 mm Package - TO-18 - Window material - AR coating Si with 3 to 5 μm high-transmittance 4.45 μm band-pass fi lter -

Thermopile detectors T11262 series Spectral transmittance of window material (typical example) 2.5 100 5 7.5 10 12.5 15 17.5 20 Wavelength (μm) Transmittance (%) T11262-06 T11262-01 100 3.5 4 4.5 5 Wavelength (μm) Transmittance (%) T11262-06 T11262-01 KIRDB0449EB KIRDB0450EB Directivity Relative sensitivity (%) (Typ. Ta=25 °C) 20° 10° 0° 10° 20° 90° 80° 50° 40° 30° 70° 60° 90° 80° 50° 40° 30° 70° 60° 80% 40% 60% 20% 100% KIRDB0451EA

Thermopile detectors T11262 series Dimensional outline (unit: mm) Lead (4 ×) ɸ0.43 5.4 ± 0.2 4.6 ± 0.2 2.50 2.50 Window Pin connections NC Thermopile (+) Thermopile (-) Case ɸ2.54 ± 0.2 1.3 ± 0.2 Filter Photosensitive area KIRDA0211EA Precautions (T11262-06) The T11262-06 band-pass fi lter has a second order transmission at 10 μm or higher. If this causes an unwanted effect, install a sap- phire glass or the like in front of the light input window to cut the long wavelengths.

Cat. No. KIRD1112E03 Mar. 2015 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 March, 2015. Thermopile detectors T11262 series Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions ∙ Disclaimer ∙ Metal, ceramic, plastic package products