Crystal unit kHz RANGE CRYSTAL UNIT SMD MC - 306 MC - 405 / MC - 406 *Frequency range *Thickness : 32.768 kHz (20 kHz to 165 kHz) : 2.54 mm Max.(MC-306) 3.60 mm Max.(MC-405 / 406) : Fundamental /Overtone (307.2 kHz) : Clock and Microcomputer *Overtone order *Applications Actual size MC-306 MC-405 / 406 Specifications (characteristics) Item Symbol Nominal frequency range Specifications 20 kHz to 165 kHz 307.2 kHz(MC-405 / 406) -55 C to +125 C -40 C to +85 C 1.0 W Max. -6 20 x 10 , 50 x 10-6 50 x 10-6, 100 x 10-6 +25 C 5 C -0.04 x 10-6 / C2 Max. 6 pF to (standard :12.5 pF) 50 k Max. 55 k to 6 k 1.8 fF Typ. 4.0 fF to 0.6 fF 2.0 fF Typ. 0.9 pF Typ. 2.0 pF to 0.6 pF 0.85 pF Typ. -6 -6 3 x 10 / year Max. 5 x 10 / year Max. f Temperature Storage temperature range Operating temperature Level of drive Frequency tolerance (standard) Turnover temperature Parabolic coefficient Load capacitance Motional resistance (ESR) 32.768 kHz T_stg T_use DL f_tol Ti B CL R1 Motional capacitance C1 Shunt capacitance C0 Frequency aging f_age Remarks Please contact us regarding available frequencies Store as bare product after unpacking +25 C, DL=0.1 W Please specify As per below table MC-306 MC-405 / 406 MC-306 MC-405 / 406 +25 C, First year Motional resistance (ESR) Frequency Motional resistance 31.2 kHzf< 40 kHz 35 k Max. 40 kHzf< 90 kHz 20 k Max. 90 kHzf< 130 kHz 12 k Max. 307.2 kHz 6 k Max. 130 kHzf165 kHz 10 k Max. (Unit:mm) External dimensions Internal connection in MC-405 MC-405 / 406 8.0 Max. #4 #3 #4 #3 32.768 k E 6571A #1 #2 3.15 1.9 5.5 (0.9) 2.54 (0.9) Do not connect #2 and #3 to external device. Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec. 2.54 #3 #1 #2 #4 #3 #1 #2 0.51 0.2 Min. 0.5 10.41 Max. #2 2.54 Max. 2.38 #1 #4 Internal connection in MC-406 9.60 #2 #1 Internal connection 4.06 Max. 3.2 32.768 k 5 71 E 3.8 Max. #3 #4 3.6 Max. MC-306 0.51 2.29 Do not connect #2 and #3 of MC-406 to external device. The first digit of No. means: 5xxxx 6xxxx MC-405 MC-406 (Unit:mm) Footprint (Recommended) MC-405 0.8 4.1 1.9 1.52 MC-406 1.3 1.52 MC-306 4.1 1.9 . 20 kHzf< 31.2 kHz 55 k Max. 1.3 4.2 4.1 3.9 3.9 4.1 4.1 1.3 http://www.epsontoyocom.co.jp 7 Part Numbering System * Standard KHz Crystals (Tuning Fork Crystal) MC-306 76.8000K - Frequency Range: K: In KHz to 4 Decimal Places C-2: 20~165KHz 8~307.2KHz C-4: 32~120KHz 8~192KHz MC: 20~165KHz (32~100KHz MC-206 only) Freq. Tolerance@25C A : +/-20ppm B: +/-50ppm Blank: +/-100PPM (Std) HTS: 40KHz Crystal Package Type: C-2 C-4 MC-206: MC-306 MC-405 MC-406 HTS: 2 x 6mm 1.5 x 5mm 4pin SOP, 2.0mm Height 4pin "J" Lead SMD, 2.54mm Height 4pin "J" Lead SMD, 3.6mm Height 4pin "J" Lead SMD, 3.6mm Height Temperature sensor * Not Applicable to the 32.768KHz Crystals A 0 Load Capacitance: Tape & Reel Qty A: 12.5pf B: 16.0pf C: 18.0pf D: 22.0pf E: 6.0pf F: Series G: 20.0pf H: 32.0pf I: 33.0pf J: 18.5pf K: 10.0pf L: 18.3pf M: 100.0pf N: 13.5pf P: 11.0pf Q: 28.0pf R: 15.0pf S: 9.6pf T: 13.0pf U: 47.0pf V: 24.0pf W: 12.0pf X: 5.0pf Y: 14.0pf Z: 26.0pf (For MC type only) AA: 27.0pf AB: 30.0pf AC: 9.0pf AD: 50.0pf AE: 22.9pf AF: 35.0pf AG: 7.0pf AH: 40.0pf AI: 25.0pf AJ: 8.0pf AK: 10.5pf AL: 9.5pf AM: 9.2pf AN: 7.8pf AP: 10.7pf 0: 1000pcs per reel 3: 250pcs per reel