Components Specifier: Sensors/Transducers

Feb. 2, 2004

SENSORS TYPE/Model ...

SENSORS
TYPE/Model	Features	P & A	Source
ULTRASONIC MA200D1	High-frequency unit with 220-kHz bandwidth (±20 kHz); attenuation improvements from -20 to -3 dB increase directivity from 7° to 20°	$17.80; 12 weeks	Murata Electronics North America www.murata.com (770) 433-5782
ULTRASONIC 942-T series	Distance sensor; scan ranges of 150 to 3500 mm; analog and two switching outputs; 4- to 20-mA or 0- to 10-V dc output; overrange counter; nonvolatile memory; NO/NC modes; M30 chemically resistant plastic housing	About $485 each in singles; 12 weeks	Honeywell www.honeywell.com (800) 784-3011
TEMPERATURE ADT7301	SPI-compatible in SOT-23 package; ±0.5°C accuracy from 0°C to 70°C; -40°C to 150°C operation; 2.7 to 5.5 V; 1-µA shutdown	$1.20 each (1000-unit lots); stock	Analog Devices Inc. www.analog.com (800) 262-5643
INCLINOMETER SCA100T	Two-axis MEMS unit; long-term stability 0.02°; accuracy 0.3° from 0°C to 70°C; analog output resolution 0.002° over 8-Hz bandwidth; SPI digital output with 11-bit resolution (0.05% FS)	Under $20 each for 10,000 or more; four to six weeks	VTI Technologies www.vtitechnologies.com (313) 425-0850
LEVEL NR60	Water/oil mediums; 12/24-V dc input; preset sensitivity settings; -30°C to 125°C medium and ambient; 25-bar (367.5-psi) rating; npn output	$72 each in OEM lots; stock	E-T-A Circuit Breakers www.etacbe.com (800) 827-7600
ACCELEROMETER 7269	Tri-axial for biomechanics; 0.4-gram weight; 400-mV FSO when excited by 10 V dc; frequency response extends down to dc, steady-state acceleration	Not Available	Endevco www.endevco.com (800) 982-6732
ACCELEROMETER 8763A500	IEPE tri-axial unit with three 5-40 threaded holes for stud mounting; allows simultaneous shock and vibration measurements in three mutually perpendicular axes; ±500-g range; 3.3-gram weight; four-pin ceramic insulated connector	$1395 each in singles; two to three weeks	Kistler Instrument Corp. www.kistler.com (716) 691-5226
OPTICAL G9282-14/ G9285-14	ROSAs (receiver optical subassemblies) for 1.3- and 1.55-mm/850-nm uses; 1.25-Mbit/s to 1.25-Gbit/s response; InGaAs/GaAs PIN photodiodes with 2.9-V/mW to 2.0-V/mW preamp gain at -22 to -20 dBm and -1 to -26 dBm at 0- to -24-dBm sensitivity	$35 each (large lots); six to eight weeks	Hamamatsu Corp. www.hamamatsu.com (800) 524-0504
FINGERPRINT AES2501/2502	USB/synchronous serial output; 3 to 3.6 and 2.4 to 3.6 V dc at 1 mA; 0°C to -70°C; 192- by 16-pixel matrix; 500-dpi resolution; 0.384- by 0.032-in. matrix size; 17-cm/s sweep speed	$6 each in OEM lots; stock	Authentec Inc. www.authentec.com (321) 308-1300
AIR QUALITY GP2Y1010AU	Detects particulates (smoke and dust) from 0 to 0.6 mg/m³; 5-V dc operation at 20 mA; measures 46 by 30 by 17.6 mm	$6 each (2000-unit lots); stock	Sharp Microelectronics of America www.sharpsma.com (800) 642-0261
TRANSDUCERS
TYPE/Model	Features	P & A	Source
AUDIO MLT-03GC/03C	2700-Hz operation; SPL 103 to 92 dB at 10-cm distance; 3.6 V at 100 mA; SMT packaging; sizes 8.5 by 8.5 by 4.0 mm to 8.5 by 8.5 by 3.0 mm	$0.73 each (10,000-unit lots); four to six weeks	Star Micronics America www.starmicronics.com (732) 623-5555
DC CURRENT 920/921 series	920 series: closed loop, four model ranges from 0 to ±125 A dc; 921 series: open loop, nine model ranges from 0 to 2000 A dc; -40°C to 85°C; 18- to 28-V dc operation at 24 mA (overload); 500-MO isolation at 500 V dc; 14-oz weight	920: $199 each; 921: $162 each; three weeks	American Aerospace Controls www.a-a-c.com (888) 873-8559

About the Author

Roger Allan

Roger Allan is an electronics journalism veteran, and served as Electronic Design's Executive Editor for 15 of those years. He has covered just about every technology beat from semiconductors, components, packaging and power devices, to communications, test and measurement, automotive electronics, robotics, medical electronics, military electronics, robotics, and industrial electronics. His specialties include MEMS and nanoelectronics technologies. He is a contributor to the McGraw Hill Annual Encyclopedia of Science and Technology. He is also a Life Senior Member of the IEEE and holds a BSEE from New York University's School of Engineering and Science. Roger has worked for major electronics magazines besides Electronic Design, including the IEEE Spectrum, Electronics, EDN, Electronic Products, and the British New Scientist. He also has working experience in the electronics industry as a design engineer in filters, power supplies and control systems.

After his retirement from Electronic Design Magazine, He has been extensively contributing articles for Penton’s Electronic Design, Power Electronics Technology, Energy Efficiency and Technology (EE&T) and Microwaves RF Magazine, covering all of the aforementioned electronics segments as well as energy efficiency, harvesting and related technologies. He has also contributed articles to other electronics technology magazines worldwide.

He is a “jack of all trades and a master in leading-edge technologies” like MEMS, nanolectronics, autonomous vehicles, artificial intelligence, military electronics, biometrics, implantable medical devices, and energy harvesting and related technologies.