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www..com 7 SD0XX-17-51-21X High Speed Si Pin Photodiode SD0XX-17-51-21X series features 3 high-speed silicon photodiodes that have been specifically developed for the price-sensitive optical communication applications, including fiber-optic LAN, VCSEL-based links, and instrumentation. Designed to be fully depleted at low voltages, the devices offer exceptionally low capacitance and fast responses. Typical speeds are from 200 MHz for the large device up to 1GHz for the smallest active area. Their excellent quantum efficiency, about 70% at 850nm, results in higher sensitivity than that of many comparable devices but even higher QE's are available upon request for the most demanding applications. All three devices come in rugged, hermetically sealed TO-46 packages that are suitable for fiber couplers like SMA and ST connectors. The user has a choice of flat (-211), domed (-214) or microball window (-218) caps. In addition, almost any fiber connector style is also available upon request. The assemblies are isolated from their housing, thus offering flexibility in biasing and minimized EMI susceptibility. Features * * * * * * * 0.2, 0.5 & 1mm active dia. High speed, up to 1GHz Excellent QE Low noise Low bias voltage Low capacitance TO-46 and fiber packages * Wide operating temp range Applications * * Optical communication High speed radiometry Electro-Optical Characteristics @ +23, Vb=5V, unless otherwise noted Device P/N SD008-17-51-21X SD020-17-51-21X SD040-17-51-21X Active Area Dia. 0.008" (0.2mm) 0.020"(0.5mm) 0.040" (1mm) Dark Current 0.1 nA 0.15 nA 0.25 nA Capacitance @1MHz Rise Time 350 ps 1 ns 1.8 ns Dark Noise Density 5 fA/Hz 6 fA/Hz 8 fA/Hz 0.3 pF 2 pF 10 pF Absolute Maximum Ratings* Storage Temperature Operating Temperature Lead Temperature Reverse Bias Voltage -55C to +150C -40C to +125C +300C (soldering, 10 sec) 25V *Operating beyond these limits may cause permanent damage to the device. www..com Typical Performance Graphs Spectral Responsivity @ Vb=5V, Ta=23C 0.6 0.5 Small signal response Rl = 50, source: 850nm VCSEL Responsivity (A/W) 0.4 0.3 0.2 0.1 0.0 400 500 600 700 800 900 1000 1100 Wavelength (nm) MECHANICAL DIMENSIONS AND PIN- API reserves the right to change specifications without notification. 1240 Avenida Acaso, Camarillo, CA 93012 (805) 987-0146 Fax (805) 484-9935 www.advancedphotonix.com Rev. 22 Feb, 2001 Preliminary |
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