MCT photoconductive detectors P3257 series P4249-08 0 μm band infrared detector with high sensitivity and high-speed response Features High-speed response, high sensitivity in the 0 μm band detection Photoconductive element that decreases its resistance by input of infrared light Custom devices available Custom devices not listed in this catalog are also available with different spectral response, photosensitive area sizes and number of elements. Non-cooled type and thermoelectrically cooled type not requiring liquid nitrogen are also provided. Also available are easy-to-handle infrared detector modules with preamp. Applications Thermal imaging Remote sensing FTIR CO2 laser detection Infrared spectrophotometer Options Valve operator A355 Amplifiers for dewar type MCT photoconductive detector C585-02 (The amplifie for P3257-25 is a custom-made product.) Specification / Absolute maximum ratings Type no. Dimensional outline/ Window material Package Cooling Nitrogen hold time tn 2 area Absolute maximum ratings Operating temperature Topr Allowable bais current Storage temperature Tstg (h) (mm) (ma) ( C) ( C) P3257-25 0.025 0.025 3 P3257-0 ()/ZnS Liquid Metal dewar 2* nitrogen 0. 0. 20-40 to +60-55 to +60 P3257-0 40 P4249-08 (2)/ZnS 0.5 0.5* 2 30 *: Value specified at the time of shipment. This will shorten over time. Re-evacuation every.5 or 2 years is recommended. *2: Per one element of 8 elements array 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 (Typ. unless otherwise noted) Measurement Peak Photosensitivity* Noise condition Cutoff sensitivity wavlength 3 Rise time Dark D* D* equivalent power Element tr resistance wavelength S (500, 200, ) (λp, 200, ) NEP Type no. temperature λp λc 0 to 63% Rd λ=λp λ=λp Td Min. Typ. Typ. Max. ( C) (μm) (μm) (V/W) (cm Hz /2 /W) (cm Hz /2 /W) (cm Hz /2 /W) (W/Hz /2 ) (W/Hz /2 ) (μs) (Ω) P3257-25 0 5 6.3 0-4.3 0-3 40 P3257-0 3 0 4-96 0.0 2.0 0 0 2 0 0 4.0 0 0 2.5 0-2 5.0 0-2 80 0.6 P3257-0 0 3 2.5 0-2 5.0 0-2 40 P4249-08 2 0 3.3 0-2 2.5 0-2 *3: Photosensitivity changes with the bias current. The values in the above table are measured with the optimum bias current. www.hamamatsu.com
Spectral response S/N vs. bias current (P3257-0) 0 (Typ. Td=-96 C) 20 (Typ. Td=-96 C) D* (λ, 200, ) (cm Hz /2 /W) 0 0 Relative value 6 2 8 4 D* S N 0 9 2 3 4 5 6 7 8 9 0 2 3 4 0 5 0 5 20 25 Wavelength (µm) Bias current (ma) KIRDB069EB KIRDB0073EC Spectral response can be shifted upon request. The detector must be operated in a range where the D* becomes max. Noise vs. frequency D* vs. element temperature 00 (Typ.) 0 (Typ.) Noise (nv/hz /2 ) 0 D* (λp, 200, ) (cm Hz /2 /W) 0 0 0 9 0 00 000 0000 0 8-200 -80-60 -40-20 -00-80 -60 Frequency (Hz) Element temperature ( C) KIRDB0507EA KIRDB0504EA 2
Linearity 0 (Typ. Td=-96 C) Output (relative value) 0. 0.0 0.00 Depends on NEP 0.000 0.00 0.0 0. 0 00 Incident light level (mw/cm 2 ) KIRDB0505EA Multielement photosensitive area (P4249-08, unit: μm) MCT detectors of custom-designed multielement arrays are also available on request. For the number of elements, element size and packaging, please consult us with your specific needs. 440 500 area 500 20 KIRDA0007EA Measurement circuit Chopper 200 Hz Band-pass filter r.m.s. meter Black body 500 K fo=200 Hz Δf=20 Hz Incident energy: 2.64 µw/cm 2 KIRDC002EA 3
Dimensional outlines (unit: mm) () P3257-25/-0/-0 LN2 fill port 2.5 ± 0.5 5 ± 44.5 ± 46 ± 32 ± 63.5 ± 28.5 ± 0.5 Pump-out pipe 9.5 ± 0.2 surface 37 ± 6.5 ± 0.5 72 ± 95 ± 02 ± Signal output lead 72 ± 2 0.5 ± 0.5 66.8 ± 0 ± KIRDA03EE 4
(2) P4249-08 44.5 ± 5 ± 5 ± LN2 fill port 2.5 ± 0.5 6.5 ± 0.5 63.5 ± ± surface 37 ±.5 ± 0.5 70 ± 84 ± 72 ± 2 44.5 ± Pump-out pipe 9.5 ± 0.2 Output pin 0 ± 0.5 66.8 ± Pin arrangement CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH COM KIRDA035EC Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions Notice Metal, ceramic, Plastic products/precautions Technical information infrared detector/technical information Information described in this material is current as of September, 203. 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. Type numbers of products listed in the delivery specification sheets or supplied as samples may have a suffix "(X)" which means preliminary specifications or a suffix "(Z)" which means developmental 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. www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Solid State Division 26- Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (8) 53-434-33, Fax: (8) 53-434-584 U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 690, Bridgewater, N.J. 08807-090, U.S.A., Telephone: () 908-23-0960, Fax: () 908-23-28 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 0, D-822 Herrsching am Ammersee, Germany, Telephone: (49) 852-375-0, Fax: (49) 852-265-8 France: Hamamatsu Photonics France S.A.R.L.: 9, Rue du Saule Trapu, Parc du Moulin de Massy, 9882 Massy Cedex, France, Telephone: 33-() 69 53 7 00, Fax: 33-() 69 53 7 0 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 0 Tewin Road, Welwyn Garden City, Hertfordshire AL7 BW, United Kingdom, Telephone: (44) 707-294888, Fax: (44) 707-325777 North Europe: Hamamatsu Photonics Norden AB: Thorshamnsgatan 35 6440 Kista, Sweden, Telephone: (46) 8-509-03-00, Fax: (46) 8-509-03-0 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, int. 6, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-8-733, Fax: (39) 02-935-8-74 China: Hamamatsu Photonics (China) Co., Ltd.: 20 Tower B, Jiaming Center, No.27 Dongsanhuan Beilu, Chaoyang District, Beijing 00020, China, Telephone: (86) 0-6586-6006, Fax: (86) 0-6586-2866 Cat. No. KIRD023E08 Sep. 203 DN 5