page 1 ? 2014, kr elec tronics, inc. 2587-125-1, rev 0, july 17, 2014 kr electronics, inc. kr electronics part number 2587-125-1 is a 125 mhz bandpass filter. the filter has a min 1 db bandwidth of 30 mhz. elliptic type response for quick transition to the stopband. other frequencies are available. please consult the factory. general description kr electronics, inc. features ?? 125 mhz bandpass filter ?? 30 mhz min 1 db bandwidth ?? 75 mhz max 55 db bandwidth ?? elliptic type response ?? 50 ? source and load ?? surface mount package ?? sma connectors also available typical performance www.krfilters.com kr electronics, inc. 91 avenel street avenel, nj 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 web email phone fax overall response (10 db/div)
page 2 ? 2014, kr elec tronics, inc. 2587-125-1, rev 0, july 17, 2014 passband amplitude & group delay (1 db/div & 10 nsec/div) kr electronics, inc. typical performance kr electronics, inc. www.krfilters.com kr electronics, inc. 91 avenel street avenel, nj 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 web email phone fax overall response (10 db/div)
page 3 ? 2014, kr elec tronics, inc. 2587-125-1, rev 0, july 17, 2014 kr electronics 2587-125-1 kr electronics, inc. physical dimensions specifications www.krfilters.com kr electronics, inc. 91 avenel street avenel, nj 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 web email phone fax parameter specification notes filter type bandpass insertion loss (at fc) 4 dba max < 1.25 dba typical 1 dbc bandwidth 30 mhz min 55 dbc bandwidth 75 mhz max source and load 50 ? center frequency (fc) 125 mhz notes: 1. surface mount package ? metal cover open frame 2. dimensions in inches 3. maximum reflow temperature is 230 c for 10 sec maximum. 4. if boards are cleaned after installation, units must be completely dried. 5. also available with sma co nnectors. see part number 2587-125
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