RESISTANCE WELDED MINIATURE CRYSTAL UNITS FEATURES Low cost Industry Standard Wide Frequency Range Small Compact Size High Stability 'AT' Cut Crystal The UM-1 and UM-5 crystal units are miniature resistance welded package that provides excellent hermetic seal and frequency aging. The frequency range till 125Mhz and miniature size is ideal for communication equipment. Electrical Specifications Symb FO F/ Fo TC TOPR TSTG CO CL IR DL Fa Parameter Frequency Range Frequency Tolerance Temperature Stability Operating Temperature Range Storage Temperature Range Shunt Capacitance Load Capacitance Insulator Resistance Drive Level Aging Min 10 Condition Typ Max 125 50 50 10 10 AT 25 See table 1 See table 1 -40 +85 7 Series 10 500 Customer Specified 100VDC 100 AT 25 pF pF M W ppm 500 +5.0 -5.0 ,per year Units MHz ppm ppm Equivalent Series Resistance(ESR) and Mode of Vibration(Mode) Frequency Range(Mhz) 10.000 to 12.999 13.000 to 19.999 20.000 to 29.999 30.000 to 39.999 40.000 to 59.999 60.000 to 79.999 80.000 to 125.000 Max ESR( 60 40 30 60 50 50 100 ) Mode Fundamental Fundamental Fundamental rd 3 Overtone rd 3 Overtone rd 3 Overtone th 5 Overtone Table 1 Frequency Stability vs Temperature Range(25 3 ) Frequency Stability(PPM) Temp Range( ) 15 50 5 30 20 10 0 to 50 -10 to 60 -20 to 70 -40 to 85 Mechanical Dimensions(mm) UM-1 7.10Max UM-5 2.40Max 2.40Max 12.7Min 12.7Min 6.00Max 8.10Max 7.10Max 3.75 0.2 0.36 0.05 3.75 7.90Max 3.20Max RSG 0.36 0.2 0.05 7.90Max 3.20Max RSG Electronic Components GmbH Sprendlinger Landstr. 115 D-63069 Offenbach/Germany Tel. +49 69 984047-0 Fax +49 69 984047-77 [email protected] www.rsg-electronic.de ■ ■ ELECTRONIC COMPONENTS ■ Änderungen vorbehalten / subject to change without notice ■ ■ ■ Crystal Units UM-1 &UM-5 Series