frequency temperature dielectric unloaded characteristic coefficient constant q code ( f ) (ppm/?) ( r) (at 10ghz) c 0 23.8 0.5 m 1 23.9 0.5 d 2 24.0 0.5 35,000 min. n 3 24.1 0.5 e 4 24.2 0.5 part number dr 0.05 lr 0.05 frequency (mm) (mm) range (ghz) drd028f 013 2.82 1.25 23.17 ~ 25.15 drd031f 014 3.06 1.36 21.27 ~ 23.17 drd033f 015 3.33 1.48 19.48 ~ 21.27 drd036f 016 3.62 1.61 17.93 ~ 19.48 drd039f 018 3.94 1.76 16.47 ~ 17.93 drd043f 019 4.28 1.91 15.16 ~ 16.47 drd046f 021 4.65 2.06 13.95 ~ 15.16 drd051f 022 5.06 2.24 12.82 ~ 13.95 drd055f 024 5.50 2.44 11.80 ~ 12.82 drd060f 027 5.98 2.65 10.85 ~ 11.80 drd065f 029 6.50 2.88 9.98 ~ 10.85 298 cg01-j high frequency devices dielectric resonators drd & drt f series part numbering table 1: q & f dimensions & frequency range drd type general characteristics high unloaded q ?35,000 min. at 10ghz high dielectric constant ? r 24 resonant frequency temperature coefficient can be chosen from 0 to 4ppm/?. tolerance of frequency temperature coefficient can be chosen from 1, 2ppm/?. dielectric resonators which operate in the range of 10 25ghz can be selected in drd (disk) or drt (coaxial) form. f-series is also fit for application above 25ghz. please consult us. drt type part number dr 0.05 dr 0.1 lr 0.05 frequency (mm) (mm) (mm) range (ghz) drt036f013 016 3.62 1.3 1.61 23.17 ~ 25.15 drt039f013 018 3.94 1.3 1.76 16.47 ~ 17.93 drt043f013 019 4.28 1.3 1.91 15.16 ~ 16.47 drt046f020 021 4.65 2.0 2.06 13.95 ~ 15.16 drt051f020 022 5.06 2.0 2.24 12.82 ~ 13.95 drt055f020 024 5.50 2.0 2.44 11.80 ~ 12.82 drt060f020 027 5.98 2.0 2.65 10.85 ~ 11.80 drt065f020 029 6.50 2.0 2.88 9.98 ~ 10.85 tolerance of frequency special code temperature coefficient (ppm/?) no code 2 a1 table 2: f tolerance note: for actual dimension in mm, divide number by 10. configuration ls lr dr do lr dr lr dr dr lo support resomics copper cavity drt drd drt 055 f 020 024 a drd = disk type outside diameter material inside diameter f (resonant freq., t.c.) thickness f tolerance drt = cylindrical type (dr) type (dr) for drt only as shown in table 1 (lr) as shown in table 2
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