Crystal Units Surface Mount Type CX1210DB 1.2×1.0mm for Mobile Communications Features • Ultra-miniature and low profile (1.2×1.0×0.3mm max.) • Crystal unit for mobile communication Systems. • Reflow compatible • Using ceramic package resulting in high reliability How to Order CX1210DB 37400 □□ □ □ □ □□ ② ③ ④⑤⑥ ⑦ ① Series ③ Load Capacitance ① ② Frequency ④ Frequency Stability D0 H0 ±10×10−6 ±15×10−6 F G ⑤ Operating Temp. Range ⑥ Frequency Temp. Stability Applications FF LJ ® • Mobile Communications, Bluetooth , Wireless LAN RoHS Compliant 8 pF 12 pF ∗ Bluetooth® Trademarks are owned by Bluetooth SIG Inc. −20 to +70°C −30 to +85°C ±10×10−6 ±15×10−6 ⑦ Individual Specification Packaging (Tape & Reel 1000/ 3000/ 12000/ 21000pcs./ reel) Specifications Item Symbol Specification Units f_nom 37400/ 52000 kHz Overtone Order OT Fundamental ― Load Capacitance CL 8 pF Frequency Tolerance f_tol ±10 ×10−6 Motional Series Resistance R1 Table 1 ohm Drive Level DL Table 2 μW Frequency Range Operating Temp. Range T_use −30 to +85 °C Storage Temp. Range T_stg −40 to +105 °C Frequency Temp. Characteristics f_tem ±10 ×10−6 Remarks 25°C±3°C Freq. deviation from the value at 25°C Please contact us for other specifications. Table1 Motional Series Resistance Table2 Level of Drive Frequency Range Motional Series Resistance Frequency Range Level of Drive f_nom=37400/ 52000kHz 60Ω max. f_nom=37400/ 52000kHz 10μW (100μW max.) Dimensions #4 Recommended Land Pattern 0.7 4−0.08±0.1 #1 #2 4−0.38±0.1 C 0.12 #3 0.45 #4 GND (NC) GND #4 #3 4−0.45±0.1 #1 #2 CONNECTION (TOP VIEW) 0.52 0.45 #2 0.31 0.25 1.20±0.10 0.52 0.30 max. 0.1±0.05 #1 (Unit: mm) #3 1.00±0.10 4−R0.08 (Unit: mm) 0.83