Crystal Units AT-41 / AT-41CD2 For OA / AV ■ Features A highly stable and reliable low-height crystal unit with a metallic package, also suitable for surface mounting. ● Compatible with surface mounting. ● Airtight metal package ensures high-reliability. ● Taping package is for customer automatic loading operation. ● AT-41CD2 meets the requirements for re-flow profiling using lead- AT-41 free solder. AT-41CD2 ■ Specifications Model Item Nominal Frequency AT-41 3 to 37MHz Overtone Order AT-41CD2 26 to 60MHz Fundamental 60 to 75MHz 3rd overtone 3 to 37MHz 26 to 60MHz Fundamental 60 to 75MHz 3rd overtone ±20 × 10−6 ±20 × 10−6 ±30 × 10−6 ±30 × 10−6 −10 to +70 °C −10 to +70 °C −40 to +85 °C −40 to +85 °C Frequency Tolerance (25 ±3 °C) Frequency versus Temperature Characteristics (with reference to +25 °C) Operating Temperature Range Storage Temperature Range Equivalent Series Resistance Refer to *1 Refer to *1 Refer to *2 (Max. 1000 μW) Refer to *2 (Max. 1000 μW) Level of Drive Load Capacitance 16 pF Specifications Number Series resonance STD-LPH-9 STD-LPH-10 16 pF STD-LPH-11 *1 Equivalent Series Resistance Overtone Order Equivalent Series Resistance max. [Ω] 3 to 3.2 3.2 to 3.5 3.5 to 4 4 to 4.5 4.5 to 5 5 to 6 6 to 8 8 to 10 10 to 12 12 to 37 26 to 35 35 to 48 48 to 75 400 200 150 120 100 80 70 60 50 40 140 100 80 3rd overtone ■ Dimensions mm 3rd overtone Drive Level (μW) 3 to 5 5 to 37 26 to 60 60 to 75 500 50 500 10 mm 0.75±0.3 12.7±0.6 11.4±0.3 Land pattern (Typical) 4.88±0.2 9.0 6.0 2.0 4.8±0.2 4.70max Nominal Frequency (MHz) -0.2 to +0.3 4.0±0.5 3.68max 13.2±1 4.88±0.2 11.05max STD-LPH-5 10.21max AT-41CD2 φ0.45±0.05 Overtone Order Fundamental 3.9max AT-41 STD-LPH-3 *2 Drive Level Nominal Frequency (MHz) Fundamental Series resonance LN-L-0002 Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. - 34 - 120306_AT-41_e