|LED INFRARED EMITTER
|15-ns rise time and 45-ns fall time (10% to 90%); intensities of up to 180 mW/sr (typical) at ILED = 100 mA at a 26° viewing angle; operates at the 870-nm optical wavelength; industry-standard 5-mm (T-1 3/4) form factor; iron lead frames dissipate power efficiently over wide range of currents; 1.4-V forward voltage at 20 mA||$0.12 each in moderate volumes; available now||Agilent Technologies Inc.
|870-nm peak wavelength and 1.5-V typical forward voltage; TSFF5410 combines ±22° angle of half intensity with 70-mW/sr radiant intensity; TSFF5210 combines ±10° angle of half intensity with 180-mW/sr radiant intensity; both feature 23-MHz modulation bandwidth and 15-ns rise and fall times||$37.50 and $38.50 per 100 pieces in 10,000-unit lots; 12 weeks for larger orders||Vishay Intertechnology Inc.
|LOGIC GATE OPTOCOUPLER
|5-kVRMS isolation voltage; 1-kV/µs common mode rejection; 1.6-mA min. IF; 4.5- to 20-V VCC range; compatible with transistor-transistor logic (TTL), low-power Schottky TTL, and CMOS logic; electrical and switching characteristics guaranteed from 0°C to 85°C; 300-ns maximum propagation delay; three-state output reduces additional circuit-board components; DIP-8 package||$1.60 each in 1000-unit lots; eight weeks ARO|
|PIN PHOTO DIODES
|Indium-gallium-arsenide/indium-phosphide photo diodes target 1310- and 1550-nm optical networks; 50-(omega) characteristic impedance; 125-µm standard pitch pad; 75- by 75-µm pad size; wire-bond or flip-chip capability; provide high responsivity, low dark current, and high bandwidth||$3.33 in 10,000-unit lots; available immediately||Microsemi Corp.
|Minimum life expectancy of 500,000 rotational cycles; 16 detent positions; choice of pushbutton actuation force; terminations, shaft and bushing configurations, and resolutions are all customizable; does not exhibit the contact bounce normally produced by mechanical contacts, eliminating the need for debounce circuitry or software||$4.00 in 1000-unit lots; four to eight weeks||Grayhill Inc.
|OPTICAL EMITTER/PHOTOTRANSISTOR PAIR
|Capable of variable distance sensing up to 1 m; 890-nm input diode features 100-mA forward dc current with reverse dc voltages up to 2.0 V and 142-mW power dissipation; 30-V collector-emitter voltage and 5-V emitter-collector voltage; 50-mA collector dc current with 250-mW power dissipation; operates from 40°C to 85°C||$4.64 in 1000-piece lots; eight weeks||TT Electronics, Optek Technology
|5-mm (T-1 3/4) right-angled annunciator LED lamps; replace a host of incandescent lamps; 28-V standard voltage; bicolored LED versions and other voltages also are available; average 100,000-hour life span; produce almost no heat; require 80% to 90% less operating power than equivalent incandescents||$9.50 to $19.50 each, based on model; stock to four to six weeks||LEDtronics Inc.
|Six-channel, single-width, 6U VME module; accepts 850-nm optical inputs through multimode ST connectors using single- or multimode fiber; electrical outputs produce transistor-transistor logic, emitter-coupled logic, and network-interface module logic levels; users can independently configure each channel's logic level and polarity||$2200; available now||Highland Technology
|MID-INFRARED LASER DIODES
|Operate at 20-mW to 1-W power inputs; stock laser diodes all have 100-µm apertures; custom cavity lengths and aperture sizes are available; series includes 2.8-µm device; applications include infrared countermeasures, gas monitoring, and medical imaging||Less than $3000 to less than $5000; five- to 30-day delivery from stock||Sarnoff Corp.