Crystal Units with Thermistor Surface Mount Type CT2016DB 2.0×1.6mm for Mobile Communications Features • Crystal Unit with Thermistor • Height 0.65 (max.) mm is also available • Reference frequency for telecommunication systems • Reflow compatible • Using ceramic package resulting in high reliability Applications How to Order CT2016DB 19200 □□ □ □ □ □□ ② ③ ④⑤⑥ ⑦ ① Series ② Frequency ③ Load Capacitance ① ④ Frequency Tolerance B0 C0 6 pF 7 pF — Std. F G ±10×10−6 Std. ±15×10−6 — ⑤ Operating Temp. Range ⑥ Frequency Temp. Stability • Mobile Communications, GPS PF −40 to +85°C ±10×10−6(at −25 to +85°C) RH −40 to +105°C ±12×10−6(at −30 to +85°C) RoHS Compliant ⑦ Individual Specification Packaging (Tape & Reel 12000 pcs./ reel) Specifications Table1 Motional Series Resistance Item Symbol Specification Units Frequency Range f_nom 19200 to 60000 Remarks Frequency Range Motional Series Resistance kHz 19200 to 25999kHz 80Ω max. Overtone Order OT Fundamental ― 26000 to 29999kHz 60Ω max. Load Capacitance CL 7 pF 30000 to 60000kHz 50Ω max. Frequency Tolerance f_tol ±10 ×10−6 Motional Series Resistance R1 Table 1 ohm Drive Level DL 10 μW Operating Temp. Range T_use −30 to +85 °C Storage Temp. Range T_stg −40 to +105 °C −6 25°C±3°C Table 2 Thermistor Resistance ×10 Freq. deviation from the value at 32°C ― Table 2 ohm 25°C ― Table 3 K f_tem Thermistor Resistance Thermistor B-Constant Specification 100kΩ ±1% Table 3 Thermistor B-Constant ±12 Frequency Temp. Characteristics Resistance 100μW max. B-Constant Specification 4250K ±1% 25°C−50°C Please contact us for other specifications. Dimensions (Unit: mm) 0.75 0.30 Option: Height 0.65 (max.) mm version is also available. 4−0.67±0.1 #4 SENSOR #3 HOT #1 HOT #2 GND 0.75 #2 #4 #3 0.75 0.43 #2 #1 0.70 4-R0.20 0.75 2.00±0.10 4−0.59±0.1 0.90±0.10 #1 (Unit: mm) #3 1.60±0.10 #4 Recommended Land Pattern 0.46 CONNECTION (TOP VIEW)