Model 405 Surface Mount Quartz Crystal FEATURES  Standard 5.0mm x 3.2mm Seam Weld Package  Fundamental Crystal Design  Frequency Range 6.76438 – 54MHz  Frequency Tolerance, ±30ppm Standard  Frequency Stability, ±30ppm Standard  Operating Temperature to -40°C to +85°C  Stable Frequency Over Temperature and Drive Level  Tape & Reel Packaging Standard, EIA-481  RoHS/Green Compliant [6/6] APPLICATIONS Model 405 is a low cost quartz resonator used in a wide range of commercial applications including WLAN/WiMax/WiFi, A/V, Bluetooth, ZigBee and USB interfaces, notebooks, computer peripherals and portable equipment. ORDERING INFORMATION 405 M TEMPERATURE RANGE C = -20°C to +70°C FREQUENCY IN MHz D = -30°C to +85°C M - indicates MHz and decimal point. 2 I = -40°C to +85°C FREQUENCY TOLERANCE @ +25°C LOAD CAPACITANCE 1 = ±10ppm X = ±15ppm K = 8pF D = 18pF 2 = ±20ppm J = 9pF E = 20pF 3 = ±30ppm A = 10pF F = 24pF L = 12pF G = 30pF B = 13pF H = 32pF TEMPERATURE STABILITY C = 16pF S = Series 1 = ±10ppm 1 3 = ±30ppm X = ±15ppm 5 = ±50ppm 2 = ±20ppm 1. Available with temperature range codes C and D. 2. Frequency is recorded with two leading digits before the ‘M’ and 5 significant digits after the ‘M’ [including zeros]. [Ex. XXMXXXXX (16M38400), XXMXXXXX (14M31818)] Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. PACKAGING INFORMATION [Reference] Device quantity is 3k pieces per 180mm reel. D ocument No. 008-0253-0 Page 1- 2 Rev. H www.ctscorp.com

Model 405 Quartz Crystal ELECTRICAL CHARACTERISTICS PARAMETER VALUE Frequency Range 6.76438MHz to 54MHz Operating Mode Fundamental Crystal Cut AT-Cut Frequency Tolerance @ +25°C ±30ppm, Standard RS Frequency Stability Tolerance TE [Operating Temperature Range, Referenced to +25°C Reading] ±30ppm, Standard ME -20°C to +70°C RA Operating Temperature Ranges -30°C to +85°C -40°C to +85°C A 6.76438MHz - <11MHz 80 Ohms L P 11MHz - <15MHz 60 Ohms A Equivalent Series Resistance [Maximum] C 15MHz - <35MHz 50 Ohms I R 35MHz - 54MHz 40 Ohms T C Load Capacitance See Ordering Information E EL Shunt Capacitance [C0] 5.0pF Typical, 7.0pF Maximum Drive Level 10µW Typ., 200µW Max. Aging @ +25°C ±3ppm/yr Typical Insulation Resistance 500M Ohms @ DC 100V Storage Temperature Range -40°C to +100°C MECHANICAL SPECIFICATIONS PACKAGE DRAWING MARKING INFORMATION 1. XX.XXX – Frequency marked with 3 significant digits after the decimal. 2. C – CTS and Pin 1 identifier. 3. ** - Manufacturing Site Code. 4. YWW – Date Code; Y – Last Digit of Year, WW – Week. XX.XXX C**YWW NOTES 1. Complete CTS part number, frequency value, date code and manufacturing site code information must appear on reel and carton labels. 2. Terminations #2, #4 and the metal lid are connected internally. End user may connect these pins to circuit ground for EMI suppression. 3. Termination pads (e4); barrier plating is nickel [Ni] with gold [Au] flash plate. 4. Reflow conditions per JEDEC J-STD-020; +260°C maximum, 10 seconds. 5. MSL = 1. SUGGESTED SOLDER PAD GEOMETRY Document No. 008-0253-0 Page 2 - 2 Rev. H