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P2748 Datasheet(PDF) 1 Page - Hamamatsu Corporation |
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P2748 Datasheet(HTML) 1 Page - Hamamatsu Corporation |
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1 / 4 page  INFRARED DETECTOR MCT photoconductive detector Dewar type detector with high sensitivity and high-speed response in long wavelength range P2748/P5274 series, P3257-50 Features l Choice of spectral response range (up to 25 µm) The band gap can be adjusted by controlling the composition ratio of HgTe and CdTe. Utilizing this fact, various types are available in different spectral characteristics. l Photoconductive element that decreases its resistance by input of infrared light l Micro-cooled type available This type of cooling does not require pour-filled liquid nitrogen. l Custom devices available Custom devices not listed in this catalog are also available with different spectral response, active area sizes and number of elements. Glass dewar type not requiring repumping is also provided. Applications l FTIR l Infrared spectrophotometer l Thermal imaging l Remote sensing l CO2 laser detection Accessories (Optional) l Valve operator A3515 l Amplifiers for dewar type MCT photoconductive detector C5185 l Power supply for amplifier C3871 l Infrared detector module with preamp P7752-10 I General rating / Absolute maximum ratings Absolute maximum ratings Nitrogen maintenance time Allowable current Operating temperature Storage temperature Active area Type No. Dimensional outline/ Window material * Package Cooling (mm) Min. (h) (mA) Topr (°C) Tstg (°C) P2748-40 ➀/Z Side-on type metal dewar 1 × 1 40 P2748-41 ➁/Z Head-on type metal dewar 1 × 1 40 P2748-42 0.25 × 0.25 20 P5274 ➀/Z 1 × 1 40 P5274-01 ➀/K Side-on type metal dewar LN 1 × 1 12 20 -40 to +60 -55 to +60 P3257-50 ➂/Z Stirling type metal Micro-cooled 1 × 1 - 40 -40 to +55 -45 to +55 I Electrical and optical characteristics (Typ. unless otherwise noted) Measurement condition Element temperature T Peak sensitivity wavelength lp Cut-off wavelength lc Photo sensitivity *2 S l=lp D* (500, 1200, 1) D* (lp, 1200, 1) NEP l=lp Rise time tr 0 to 63 % Dark resistance Rd Type No. (°C) (µm) (µm) (V/W) Min. (cm·Hz1/2/W) Typ. (cm·Hz1/2/W) (cm· Hz1/2/W) (W/Hz1/2)(µs) (W) P2748-40 1000 2.5 × 10-12 P2748-41 1000 2.5 × 10-12 P2748-42 12 14 10000 1 × 1010 2 × 1010 4.0 × 1010 6.3 × 10-12 0.6 40 P5274 14 17 500 2 × 109 1 × 1010 1.5 × 1010 6.7 × 10-12 0.6 30 P5274-01 17 22 250 1 × 109 5 × 109 1.0 × 1010 1.0 × 10-11 0.4 100 P3257-50 -196 12 14 1000 1 × 1010 2 × 1010 4.0 × 1010 2.5 × 10-12 0.6 40 *1: Window material K: KRS-5, Z: ZnSe *2: Photo sensitivity changes with the bias current. The values in the above table are measured with the optimum bias current. 1 |
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Similar Description - P2748 |
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