plastic fiber optic photodarlington IF-D93 plastic fiber optic photodarlington IF-D93 31 industrial fiber optics, inc. www.i-fiberoptics.com d escription the IF-D93 is a very high-sensitivity photodarlington detector housed in a ?onnector-less?style plastic fiber optic package. optical response of the IF-D93 extends from 400 to 1100 nm making it compatible with a wide range of visi- ble and near-infrared leds and other optical 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-D93 is suitable for low-speed optical links requiring high sensitivity. triggering rates up to 1k are possible using the IF-D93 and a suitable led source. photodarlington transistor operation provides very high optical gain, eliminating the need for post amplification in many circuits. the integrated design of the IF-D93 makes it a simple, cost-effective solution in a variety of applications. f eatures mates with standard 1000 ? 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 very high optical sensitivity 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 )....15 v emitter collector voltage (v eco )......5 v collector current (i c ) .................50 ma collector peak current (i cm ) t =1 ms .........................100 ma power dissipation (p tot ) t a = 25? ...................100 mw de-rate above 25? ..........1.33 mw/ c a pplications ? low-speed optical links ? optical interrupter/reflective sensors ? process control ? motor controller triggering ? medical instruments ? automotive electronics ? robotics control ? emc/emi signal isolation ? electronic games parameter symbol min typ max unit wavelength for maximum photosensitivity peak ?50 nm spectral bandwidth (s=10% of s max ) ? 400 1100 nm switching times (10% to 90% and 90% to 10%) (r l =1k ? , v ce =5 v, =880 nm) see figure 2. t r , t f 5, 2.5 ms responsivity min. @ 880 nm r 400 ?/? @ 632 nm 200 a/? collector dark current (v ce =15 volts) i ceo 100na breakdown voltage (i c =1 ma) bv ceo 15 v breakdown voltage (i c =100 ?) bv eco 5 v saturation voltage (i c =0.4 ?, h=10 ?) v ce sat 1.10 v c haracteristics (t a =25?) catalogfilm_12601. 12/20/01 4:31 pm page 67
IF-D93 plastic fiber optic photodarlington IF-D93 plastic fiber optic photodarlington 32 industrial fiber optics, inc. www.i-fiberoptics.com 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. f igure 2. rise and fall times versus load resistance. p ackage i dentification : black housing w/ red dot pin 1. emitter pin 2. collector catalogfilm_12601. 12/20/01 4:31 pm page 68
|
