M1252 Series SPECIFICATION FOR 2.5x2.0 mm AT CUT SMT CRYSTAL FEATURES APPLICATIONS Surface mount AT-cut crystal Compliant to RoHS directive Clock circuits in communications equipment Test equipment Portable and wearable devices. Ordering Information: Product Family Temperature Range Code 6 2 Value -20 °C to +70 °C -40 °C to +85 °C M1252 Tolerance at +25 °C Code D E G H J M Value ±10 ppm ±15 ppm ±20 ppm ±25 ppm ±30 ppm ±50 ppm Stability Code D E G H J M Value ±10 ppm ±15 ppm ±20 ppm ±25 ppm ±30 ppm ±50 ppm Load Capacitance Code Blank S xx Frequency Value 18 pF (standard) Series Resonant Customer Specified (6 pF to 50 pF) XXX.XXXXXX MHz Example: M12526JM 25.000000 MHz M1252 6 J M 25.000000 MHz Electrical Specifications: Parameter Mode of Oscillation Frequency Range Frequency Tolerance Frequency Stability Operating Temperature Aging Symbol FO F/F F/F TA Load Capacitance CL Resistance Rs Shunt Capacitance Drive Level Insulation Resistance CO DL Min. Typ. Max. Fundamental (AT cut) 12.000 54.000 See Ordering Information Table See Ordering Information Table See Ordering Information Table -3 +3 See Ordering Information Table (standard is 18 pF) 100 80 50 40 5 100 500 Units MHz ppm ppm °C ppm/year Conditions @ +25 °C Ref to +25 °C @ +25 °C pF Ω Ω Ω Ω pF µW MΩ 12.000 – 15.999 MHz 16.000 – 26.999 MHz 27.000 – 35.000 MHz 35.001 – 54.000 MHz Tested @ 100VDC Environmental & Package Specifications: Mechanical Shock Vibration Thermal Cycle Hermeticity Gross Leak Fine Leak Resistance to Solvents Solderability Max. Soldering Conditions Package Per MIL-STD-202, Method 213, Condition C (100 g’s, 6 ms duration, ½ sinewave) Per MIL-STD-202, Method 201 & 204 (10 g’s from 10-2000 Hz) Per MIL-STD-883, Method 1010, B (-55°C to 125°C, 15 min. dwell, 10 cycles) Per MIL-STD-202, Method 112 (1 x 10-8 atm cc/s of Helium) Per MIL-STD-202, Method 112 (30 sec. Immersion) Per MIL-STD-202, Method 112 (1 x 10-8 atm cc/s of Helium) Per MIL-STD-883, Method 2015 Per EIAJ-STD-002 See solder profile, Figure 1 2.5 x 2.0 mm ceramic leadless 4 pad package Page 1 of 3 M1252 Series SPECIFICATION FOR 2.5x2.0 mm AT CUT SMT CRYSTAL Marking: Line 1 Line 2 Part Marking xxMxxx M Y WW V M Y WW V Dimensions: Reflow Soldering Conditions: Figure 1 Page 2 of 3 Legend MtronPTI Year Week Vendor M1252 Series SPECIFICATION FOR 2.5x2.0 mm AT CUT SMT CRYSTAL Tape and Reel Specifications: All dimensions are in mm. A B C 2.4 2.9 1.55 D 3.5 E 1.2 F 4 G 4 H 8 J 178 K 13 L 21 M 60 MtronPTI reserves the right to make changes to the product(s) and service(s) described herein without notice. No liability is assumed as a result of their use or application. Rev.0_06/15/16 Page 3 of 3