LSFB25-243-220K0 LSFB19-248-220K0 200MHz Band SAW Filter of PHS ■Features ¡SAW filter for PHS. ¡Miniature size and light weight. ¡Because it is leadless type, automatic mounting is possible. ■Standard Frequencies ¡243.95MHz. ¡248.45MHz. ■Specifications Item Unit Conditions LSFB25-243-220K0 Specifications LSFB19-248-220K0 Specifications Nominal Frequency MHz –––––– 243.95 248.45 Operating Temperature Range : –10~+60 –––––– –––––– Storage Temperature Range : –35~+85 –––––– –––––– Insertion Loss dB Minimum Loss 5.0 MAX. 5.0 MAX. Fo±0.6MHz 25 MIN. 25 MIN. Guaranteed Attenuation dB Fo±1.2MHz 40 MIN. 40 MIN. Fo±110kHz 1.2 MAX. 1.2 MAX. µ sec Group Delay Deviation ■Outline ■Measurement Circuit LSFB19 3.8±0.15 4 L1 C2 L2 reference (MSFB19-248) INPUT 0.64 2 3 1.00 1.90 1 6 5 2.54±0.10 4 CONNECTION 1:GND 2:IN(OUT) 3:GND 4:GND 5:OUT(IN) 6:GND Dimensions(mm) OUTPUT L1 68 mH L2 68 mH C1 4 pF C2 4 pF Volt meter 3 6 5 4 SSG 2 1 2 3 C1 50Ω 3.8±0.15 243 1E 1 1.43max. 5 50Ω 6