| 電參數 Electrical Characteristic | | | | | | | | |
| 1 | 型 號 Model No | | | | | AT-308 | | | |
| 2 | 頻 率 Nominal Frequency | | | | | 4.0000MHZ | | | |
| 3 | 調整頻差 Frequeny Tolerance(Tol) | | | | | ±20PPM (±25℃±2℃) | | | |
| 4 | 振動模式 Oscillation Mode | | | | | ■基頻Fund □3rd泛音 □5th泛音 | | | |
| 5 | 工作溫度 Operation Temperature | | | | | (-20℃)to(+70℃) | | | |
| 6 | 溫度頻差 Temperature Characteristic | | | | | ±30ppm(-20℃to+70℃) | | | |
| 7 | 負載電容 Load Capacitance | | | | | 20PF | | | |
| 8 | 串聯電阻 Series Resistance(ESR) | | | | | 40Ω max | | | |
| 9 | 激勵功率 Deive Level | | | | | 50uW | | | |
| 10 | 靜態電容 Shunt Capacitance | | | | | 5.0PF max | | | |
| 11 | 老 化 Aging Rate per Year | | | | | ±3ppm/year | | | |
| 12 | 絕緣電阻 Insulation Resistance | | | | | 500Mohm min.at DC100V±10V | | | |
| 環境情況 Environment Characteristic | | | | | | | | | |
| 1 | 貯存溫度 Storage Temperature Rage | | | | | (-30℃) to (+84℃) | | | |
| 2 | 貯存濕度 Storage Humidity | | | | | 0-94% | | | |
| 外型尺寸DIMENSIONS（mm） |
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| AT/DT |
| 外型 | L1 | L2 | D1 | D2 | B | | | | |
| 2X6 | 6.2 | 6 | φ2.1 | 0.2 | 0.7 | | | | |
| 3X8 | 8.3 | 10 | φ3.1 | φ0.3 | 0.8 | | | | |
| 3X9 | 9.3 | 10 | φ3.1 | φ0.3 | 1.1 | | | | |
| 3X10 | 10.3 | 10 | φ3.1 | φ0.3 | 1.1 | | | | |
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