plastic fiber optic phototransistor IF-D92 plastic fiber optic phototransistor IF-D92 29 industrial fiber optics, inc. www.i-fiberoptics.com a pplications ? low-speed digital data links ? motor controller triggering ? audio links ? medical instruments ? automotive electronics ? robotics communications ? emc/emi signal isolation ? electronic games ? process control d escription the IF-D92 is a high-sensitivity phototransistor detector housed in a ?onnector- less?style plastic fiber optic package. optical response of the IF-D92 extends from 400 to 1100 nm, making it compatible with a wide range of visible and near-infrared leds and laser diode sources. this includes 650 nm visible red leds used for optimum transmission in pmma plastic optic fiber. the detector package features an internal micro-lens and a precision-molded pbt housing to ensure efficient optical coupling into standard 1000 ? core plastic fiber cable. a pplication h ighlights the IF-D92 is suitable for digital data links at rates up to 25 kbps. analog band- widths greater than 15 khz are possible making the IF-D92 usable for high frequency audio transmission. phototransistor operation provides high internal gain reducing the amount of post amplification required in many circuits. the integrated design of the IF-D92 makes it a simple, cost-effective solution in a variety of analog and digital applications. f eatures high optical sensitivity mates with standard 1000 um core jacketed plastic fiber optic cable no optical design required inexpensive but rugged plastic connector housing internal micro-lens for efficient optical coupling connector-less fiber termination light-tight housing provides interference free transmission m aximum r atings (t a = 25?) operating and storage temperature range (t op ,t stg )......................-40 to 85 c junction temperature (t j ) .............85 c soldering temperature (2 mm from case bottom) (t s ) t 5 s..................................240 c collector emitter voltage (v ceo )....30 v emitter collector voltage (v eco ) .....5 v collector current (i c )..................50 ma collector peak current (i cm ) t =1ms ..........................100 ma power dissipation (p tot ) t a = 25? ...................100 mw de-rate above 25? ..........1.33 mw/ c parameter symbol min typ max unit wavelength for maximum photosensitivity peak ?70 nm spectral bandwidth (s=10% of s max ) ? 400 1100 nm switching times (10% to 90% and 90% to 10%) (r l =1 k ? , i c =1.0 ma, v ce =5 v, =950 nm) t r , t f ?0 s responsivity min. @ 880 nm r 100 ?/? @ 632 nm 50 ?/? collector dark current (v ce =15 volts) i ceo 100na breakdown voltage (i c =100 ?) bv ceo 30 v breakdown voltage (i c =100 ?) bv eco 5 v saturation voltage (i c =250 ?, h=100 ?) v ce sat 0.15 v c haracteristics (t a =25?) catalogfilm_12601. 12/20/01 4:31 pm page 63
IF-D92 plastic fiber optic phototransistor IF-D92 plastic fiber optic phototransistor 30 industrial fiber optics, inc. www.i-fiberoptics.com f igure 2. rise and fall times of phototransistor. f igure 4. case outline. f igure 3. cross-section of fiber optic device. f iber t ermination i nstructions 1. cut off the ends of the optical fiber with a single- edge razor blade or sharp knife. try to obtain a precise 90-degree angle (square). 2. insert the fiber through the locking nut and into the connector until the core tip seats against the internal micro-lens. 3. screw the connector locking nut down to a snug fit, locking the fiber in place. f igure 1. typical detector response versus wavelength. ma p ackage i dentification : black housing w/ white dot pin 1. emitter pin 2. collector catalogfilm_12601. 12/20/01 4:31 pm page 64
|
