AT-41

Crystal Units AT-41 / AT-41CD2 n Features A highly stable and reliable low-height crystal unit with a metallic package, also suitable for surface mounting. lCompatible with surface mounting. lAirtight metal package ensures high-reliability. lTaping package is for customer automatic loading operation. lAT-41CD2 meets the requirements for re-flow profiling using lead-free solder. For OA / AV AT-41 AT-41CD2 Pb Free n Specifications Item Frequency Range Overtone Order Frequency Tolerance (25 ±3℃) Temperature Characteristics (with reference to +25°C) Operating Temperature Range Equivalent Series Resistance Drive Level Load Capacitance 16pF Model AT-41 / AT-41CD2 3.1375 to 36.864MHz Fundamental ±20 × 10 −6 *1 Equivalent Series Resistance Overtone Frequency (MHz) Order (Range) 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 Equivalent Series Resistance max.[Ω] 26.9 to 74.1MHz 3rd overtone Fundamental ±30 × 10−6 −10 to +70℃ Refer to *1 Refer to *2 (Max: 1000μW) Series resonance 3rd overtone *2 Drive Level Overtone Order Fundamental 3rd overtone The above specifications are standard for this NDK product. Custom-made specifications such as load capacitance and temperature characteristics are also available. Please contact NDK sales with your enquiries. 400 200 150 120 100 80 70 60 50 40 140 100 80 Frequency (MHz) Drive Level (Range) (μW) 3 to 5 500 5 to 37 50 26 to 60 500 60 to 75 10 n How to Specify an Order When ordering our products, specify them with an “Ordering Code” that consists of the following : Model name - Frequency (Max : 9 digits) M - Number for specifying an order Example AT-41-16.000M-LN-L-0005 If you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales representatives or visit our homepage (http://www.ndk.com/). n Dimensions AT-41 mm AT-41CD2 3.7max 10.21max mm 0 to 0.3max 3.5 to 20±1 3.5max 4.2±0.3 0.65±0.1 φ0.43 -0.03 4.88±0.2 +0.05 12.4 ±0.3 11.4 ±0.2 Reference land pattern 6.0 2.0 4.7 ±0.1 11.05max 4.65max 4.88±0.2 9.0 cu42_080418_AT-41_e1