electronics 10 commerce drive, new rochelle, ny10801 ? 914-712-2200 ? fax: 914-576-6204 ? http://www.mfelectronics.com ? email:sales@mfelectronics.com electronics tcxo oscillators surface mount eb-a eb-b eb-c eb-d temperature compensated crystal oscillator eb models, 2.0-2.5 ppm smd tcxo, 3.0v 10 mhz to 20 mhz fixed frequency these surface mount oscillators are available in thirteen stan- dard frequencies voltage control of frequency ? ppm min is user-controlled by external voltage stability ?.0 or ?.5 ppm temperature -30 to +80? or -20 to +70? aging less than 1 ppm per year input voltage 3.0 volts is standard. 5.0 volts may be had on special order features low power, low voltage, small size ideal for battery powered equipment recommended for portable, mobile, wireless equipment choice of stability: ?.5 or ?.0 ppm choice of 2 temperature ranges guaranteed start-up with ramping dc supply smd eb models, tcxos, 3.0 volts mf electronics eb (smd) tcxos are ideal for high volume, low cost applications. with miniature 7 x 5 x 2 mm size, these oscillators use tiny precise crystals operating at stan- dard frequencies from 10 to 20 mhz. thirteen common fre- quencies are available. they have electronic frequency con- trol of ?ppm, allowing the frequency to be set to, or to track a reference frequency. operating at 3.0 volts and with current not exceeding 2 ma, they are ideal for battery operated equipment. this group of models include the 10 mhz and 20 mhz frequen- cies which may be used for counting and timing applica- tions. they are furnished in tape and reel, for automated produc- tion and come with large gold or solder plated pads. side- castellations accept solder flow, and facilitate automated solder joint inspection. connections pad 1. electronic frequency control pad 2. ground pad 3. output pad 4. vdd 4 3 2 1 5.08 4 3 1 2 5.0 0.2 2.0 max 7.0 0.2 pads within this area are not to be used tcxo eb models 1.4 all dimensions in mm. 4.2 1.6 sq 5.2 land pattern 1.0
electronics 10 commerce drive, new rochelle, ny10801 ? 914-712-2200 ? fax: 914-576-6204 ? http://www.mfelectronics.com ? email:sales@mfelectronics.com electronics 30 sec min. 50 to 100 sec time (sec) 20 sec min. 20 sec min. 30 to 50 sec temperature of pad ( c) 100 140 160 200 230 recommended reflow soldering profile tcxo oscillator eb models 3.0 v, 2.0-2.5 ppm 10 mhz to 20 mhz specifications temperature ?all models operating -20 to +70? or -30 to +80? standard frequencies 10.0, 12.6, 12.8, 13.0, 14.4, 14.85, 15.36, 16.8, 19.2, 19.44, 19.68, 19.8, 20.0mhz output levels 0.8 volts p-p, min, clipped sine wave phase noise -120 dbc/hz at 1khz offset, typ frequency stability vs temperature ?.0 or 2.5 ppm aging ? ppm/year max, at 25? load 10 pf in parallel with 10kohms frequency control ? ppm for 1.5 ?.0 v min. typ max units input voltage, vdd 2.85 3.0 3.15 volts input current 10 to 15 mhz 1.5 ma 15 to 20 mhz 2.0 ma marking specification the format for the marking is: notes (1) number in date code is year. in example, ??is 2001. (2) letter in date code is one two-week period. year is divided into 26 two-week intervals. each two-week interval is repre- sented by one letter of the alphabet, in sequence. mf electronics eba model date year (1) code week (2) pad 1 frequency is 19.68 mhz mf-eba1s 19.68 how to order for part number,use model number with letter option, and add frequency in mhz, for example: eb is model type eb-x -19.68m 19.68 m is frequency in mhz insert model letter option from table i surface mount eb-a eb-b eb-c eb-d frequency model stability temperature eb-a 2.5 ppm eb-b 2.0 ppm -20 to +70 c eb-c 2.5 ppm eb-d 2.0 ppm -30 to +80 c model options table i note: ultrasonic cleaning or aqueous cleaning must not be used
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