Crystal Units Surface Mount Type CX1255GB 11.8×5.5mm for Consumer Products Features • Crystal unit for Consumer Products • Small and low profile (11.8×5.5×1.8mm) • Ceramic package • Reflow compatible How to Order CX1255GB 04000 □□ □ □ □ □□ ② ③ ④⑤⑥ ⑦ ① Series ③ Load Capacitance ① ② Frequency ④ Frequency Tolerance Applications H0 • Digital Electronics • Consumer Products 12 pF ±50×10−6 P ⑤ Operating Temp. Range ⑥ Frequency Temp. Stability ±50×10−6 −10 to +70°C ES ⑦ Individual Specification Packaging (Tape & Reel 1000 pcs./ reel) RoHS Compliant Specifications Item Symbol Frequency Range f_nom Specification 3500 to 29000 Units Remarks kHz Overtone Order OT Fundamental ― Load Capacitance CL 12 pF −6 Frequency Tolerance f_tol ±50 ×10 Motional Series Resistance R1 Table 1 ohm Drive Level DL Table 2 μW Operating Temp. Range T_use −10 to +70 °C Storage Temp. Range T_stg −40 to +85 °C Frequency Temp. Characteristics f_tem ±50 ×10−6 Please contact us for other Load Capacitance. 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 3500≤f_nom< 4000kHz 200Ω max. 3500≤f_nom<16000kHz 10μW (500μW max.) 4000≤f_nom< 8000kHz 180Ω max. 16000≤f_nom<25000kHz 10μW (300μW max.) 8000≤f_nom<12000kHz 120Ω max. 25000≤f_nom≤29000kHz 10μW (100μW max.) 12000≤f_nom≤29000kHz 80Ω max. Dimensions 5.5±0.3 (Unit: mm) Recommended Land Pattern 2.5 1.5 5.0 CONNECTION 2.0 6.5 2.7 4.0 2.5 1.8±0.2 7.7 11.8±0.3 7.0 (Unit: mm)