dimensions cm7v-t1a low esr tuning fork crystal 32.768 khz all dimensions in mm typical description the cm7v-t1a low esr is a low frequency smt quartz crystal unit that incorporates a tuning fork quartz crystal resonator. it operates under vacuum in a hermetically sealed ceramic package with metal lid. applications iot metering industrial automotive health care wearables, portables electrical characteristics at 25 o c 1) other frequencies on request. 2) other load capacitances on request. 3) tighter frequency tolerances on request. standard frequency 1) f l 32.768 khz load capacitance 2) c l 6.0 / 7.0 / 9.0 / 12.5 pf frequency tolerance 3) f/f 20 ppm f/f 100 ppm series resistance typ./max. r s 40 / 50 k motional capacitance typ. c 1 4.7 ff static capacitance typ. c 0 1.3 pf drive level max. p 1.0 w insulation resistance min. r i 500 m aging frst year max. f/f 3 ppm turnover temperature t 0 25 5 c frequency vs. temperature f/f 0 C0.035 ppm / c2 (t - t 0 ) 2 10% ppm package: recommended solder pad: 0,75 1,8 1,5 0,65 max 0,75 3,2 1,5 1,0 1,0 features maximum esr value of 50 k ? for low power designs. outstanding hermetic sealing with gold-tin preform. high stability and low aging guaranteed by hermetic sealing. available for extended operating temperature range. small size, low profle, lightweight (10.3 mg). high shock and vibration resistant. 100% pb-free, rohs-compliant. automotive qualifcation according to aec-q200 available.
version 8.0/10.2016 micro crystal ag phone +41 32 655 82 82 muehlestrasse 14 fax +41 32 655 82 83 ch-2540 grenchen sales@microcrystal.com switzerland www.microcrystal.com c m 7 v - t 1 a low esr 32.768 khz 12.5 pf 20 ppm ta qc metal l i d p a d s o n b o t h e n d s l o a d c a p a c i t a n c e c l au flashed pa d s smt package t u n i n g f o r k p a c k a g e s i z e f r e q u e n c y f l f r e q u e n c y t o l e r a n c e t e m p e r a tu r e ra n g e 6.0 pf 7.0 pf 9.0 pf 12.5 pf other c l on request 20 ppm 100 ppm tighter freq. tolerances on request special feature ceramic p a c k a g e 7 = 3.2 x 1.5 x 0.65 mm low esr = 50 k? max. ta = -40 to +85c (standard) tb = -40 to +125c tc = -55 to +125c q u a l i fi c a ti o n qc = commercial grade (standard) qa = automotive grade aec-q200 terminations and processing type termination processing cm7v-t1a low esr for smt mounting au fashed pads ipc/jedec j-std-020c 260c / 20 - 40 s orderig iformatio all specifications subject to change without notice. evirometal characteristics conditions max. dev. storage temp. range C55 to +125c ta operating temperature range C40 to +85c tb extended oper. temp. range C40 to +125c tc extended oper. temp. range C55 to +125c shock resistance ' f/f 5000 g, 0.3 ms, ? sine 5 ppm vibration resistance ' f/f 20 g / 10C2000 hz 5 ppm stadard frequecies frequency 32.768 khz other frequencies on request a unique part number will be generated for each product specifcation, i.e: 20xxxx-mg01 1'000 pcs (in 12 mm tape on 7" reel) 20xxxx-mg03 3'000 pcs (in 12 mm tape on 7" reel) 20xxxx- pg14 14'000 pcs (in 12 mm tape on 13" reel)
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