CX7SM CRYSTAL 14 MHz to 250 MHz Ultra-Miniature, Low Profile AT-Cut Surface Mount Crystal DESCRIPTION actual size X X SXX STATEK’s ultra-miniature, low profile CX7SM AT-cut crystals in leadless ceramic packages are designed for surface mounting on printed circuit boards or hybrid circuits. These crystals are low profile and have a very small land pattern. Maximum process temperature should not exceed 260OC. side view Ceramic Lid Shown PACKAGE DIMENSIONS FEATURES Designed for surface mount applications using infrared, vapor phase, wave solder or epoxy mount techniques Low profile (less than 1.2mm) hermeitcally sealed ceraminc package A TOP BOTTOM Excellent aging characteristics D Available with glass or ceramic lid High shock and vibration resistance B Custom designs available C Full military testing available Designed and manufactured in the USA APPLICATIONS Industrial, Computer & Communications General purpose clock oscillator TYP. MAX. DIM INCHES mm INCHES mm A 0.157 4.00 0.162 4.11 B 0.072 1.83 0.085 2.16 C - - D 0.035 0.89 DIM “C” GLASS LID see below 0.045 1.14 CERAMIC LID PCMCIA MAX INCHES mm INCHES mm Fax, Modem and LAN SM1 0.045 1.14 0.050 1.27 Smart card SM2 0.046 1.17 0.051 1.30 PDA and notebook computers SM3 0.048 1.22 0.053 1.35 Handheld instrumentation Cellular SUGGESTED LAND PATTERN PCS GRID COURTYARD Military & Aerospace 0.177[4.50] Airborne hybrid computer 0.121[3.07] Military high speed modem MCM INCHES[MM] 0.092 [2.34] 0.067[1.70] 10155 - Rev B YS TEM C ERT I F I C AT IO S 0.055[1.40] N IS O STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com 90 01 SPECIFICATIONS TERMINATIONS Specifications are typical at 25OC unless otherwise noted. Specifications are subject to change without notice. 49 MHz Designation SM1 SM2 SM3 Motional Resistance R1(kΩ) 14 Motional Capacitance C1 (fF) 2.4 Quality Factor Q (k) 100 Shunt Capacitance C0 (pF) Calibration Tol. Range* Termination Gold Plated Solder Plated Solder Dipped 0.8 + _ PACKAGING OPTIONS 100 ppm to +_ 10000 ppm Load Capacitance 10pF (unless specified by customer) Drive Level 200 µW MAX. CX7SM -Tray Pack -16mm tape, 7” or 13” reels (Reference tape and reel data sheet 10109) Frequency Stability Over Temperature** + _ 10ppm for (Commercial) + _ 35ppm for (Industrial) + _ 50ppm for (Military) EQUIVALENT CIRCUIT C0 Aging, first year 5 ppm MAX. Shock, survival*** 5,000 G peak 0.3 ms, 1/2 sine Vibration, survival 20 G RMS, 10-2,000 Hz random 1 L1 Standard Operating Temperature Ranges -10OC to +70OC (Commercial) -40OC to +85OC (Industrial) -55OC to +125OC (Military) Storage Temperature C1 R1 2 R1 Motional Resistance L1 Motional Inductance C1 Motional Capacitance C0 Shunt Capacitance -55OC to +125OC Max Process Temperature 260OC for 20 sec. Note: The characteristics of the frequency stability over temperature follow that of the AT-Cut thickness-shear mode. * Tighter tolerances available as low as +_ 5 ppm ** Does not include calibration tolerance *** Higher shock version available HOW TO ORDER CX7SM CRYSTALS CX7 C “S” if special or custom design. Blank if Std. C=Ceramic Lid Blank=Glass Lid SM1 49.0M Frequency M = MHz SM1 = Gold Plated SM2 = Solder Plated SM3 = Solder Dipped , 50 Calibration Tolerance @ 25OC (in ppm) + / 50 Frequency Stability over Temp. Range (in ppm) / I / *Total Frequency Tolerance (in ppm) Temp. Range: C = -10OC to +70OC I = -40OC to +85OC M = -55OC to +125OC S = Customer Specified + Other calibrations available: indicate your requirement in ppm* *If specifying Total Frequency Tolerance, dashes must be used in the part number for the Calibration Tolerance and Frequency Stability over Temp Range. These are our standard parameters, if requiring additional parameters please specify. / OR / 100 Total Frequency Tolerance (in ppm) / I Temperature Range: C = -10OC to +70OC I = -40OC to +85OC M = -55OC to +125OC S = Customer Specified YS TEM C ERT I F I C AT IO S 10155 - Rev B N IS O STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com 90 01