WCSMC Series Crystal 4 Pad Plastic SMD Package Tuning Fork Crystal Tight Tolerance and Stability Tape and Reel Packaging 32.768kHz Frequency See Part Number Guide Below Frequency Tolerance 25°C ±5°C Turnover Temperature (To) -0.034(±0.006)ppm/°C2(T-To)2 Frequency Stability Operating Temperature Range -40°C to +85°C Storage Temperature -55°C to +125°C 1.35pF Typ Shunt Capacitance Motional Capacitance 3.0fF Typ Equivalent Series Resistance (ESR) 50K Ohms 12.5pF or 6pF Load Capacitance Drive Level 1µW max Capacitance Radio (CO/C1) 450 Typ ±3ppm / 1st Yr Max Aging 500 Mega ohms Min at 100VDC ±15VDC Insulation Resistance 1 x 10-2 mPa (m3/s) Max Hermeticity of Seal ±5ppm max (drop test onto a hard wooden board from 75cm) Shock Resistance 3 Moisture Sensitivity Level Part Number Guide W CSM C R o H S C o m p lia n t B la n k = N o t C o m p lia n t F = Is C o m p lia n t F re q u e n c y T o le ra n c e B la n k = ± 2 0 p p m C = ± 10 ppm 3 2 .7 6 8 K H Z L o a d C a p a c ita n c e B la n k = 1 2 .5 p F 6 = 6pF V a lu e A d d e d O p tio n s B la n k = N o A d d e d O p tio n s T = Tape and Reel P le a se co n su lt w ith M M D sa le s d e p a rtm e n t fo r a n y o th e r p a ram e te rs o r o p tio n s. MMD Monitor/Quartztek 30400 Esperanza, Rancho Santa Margarita, CA, 92688 Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com [email protected] Revision: Specifications are subject to change without notice. 08/14/13 J Pg 1 of 2 Mechanical Details 8.00 [.315] MAX INTERNAL CONNECTION 3.20 [.126] MAX 4 3 1 2 0.50 [.020] 2.54 [.100] MAX 4 3 1 2 3.80 [.150] MAX 0.90 [.035] 5.50 [.217] 4.20 [.165] 1.30 [.051] DIMENSION IN BRACKETS ARE IN INCHES 1.90 [.075] 1.30 [.051] SUGGESTED LAND PATTERN MMD Monitor/Quartztek 30400 Esperanza, Rancho Santa Margarita, CA, 92688 Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com [email protected] Revision: Specifications are subject to change without notice. 08/14/13 J Pg 2 of 2