“HC-48/U and HC-51/U MERCURY Thru-Hole Crystals Since 1973 SPECIFICATIONS HC-51 /U Crystal Holder Prefix: Frequency Range: Calibration Tolerance: Frequency Stability: H51(also known as HC-33/U RW) H48 (also known as HC-6/U RW) 455~756.8 kHz SL-cut 800 kHz~4.5 MHz AT-cut ±30ppm (±0.003%) at 25°C AT-cut ±50ppm (±0.005%) at 25°C AT-cut ±100ppm (±0.01%) over -10 to +60°C SL-cut ±30ppm (±0.01%) over -10 to +60°C AT-cut Shunt Capacitance (Co): 7pF maximum Load Capacitance (CL): Series (S) or Parallel. If parallel please specify exact CL value. 8~32pF range is common Drive Level: 2 mW maximum HC-48 /U Aging: ±7ppm (±0.0007%) per year Unit: mm (inches] (0 .3 5 2 ) 8 .9 4 (0 .3 5 2 ) 8 .9 4 1 8 .4 (0 .7 2 4 ) H C -4 8 /U 1 9 .7 (0 .7 7 5 ) 1 5 .0 (0 .5 9 0 ) H C -5 1 /U 1 9 .7 (0 .7 7 5 ) 1 8 .4 (0 .7 2 4 ) 6 .0 (0 .2 3 6 ) PACKAGE DIMENSIONS 1 .2 7 Ø (0 .0 5 0 Ø ) 1 2 .3 (0 .4 8 4 ) (0 .3 6 6 ) 9 .3 1 9 .2 (0 .7 5 6 ) MERCURY 1 9 .2 (0 .7 5 6 ) 9 .3 (0 .3 6 6 ) 0 .7 6 Ø (0 .0 3 0 Ø ) 1 2 .3 (0 .4 8 4 ) www.mercury-crystal.com Taiwan: TEL (886)-2-2695-7099, FAX (886)-2-2695-7473, e-mail: [email protected] U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected] MERCURY Page 1 of 1 Date: Dec. 1, 2001 Rev. 0