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49S |
THRU-HOLE CRYSTAL |
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FEATURES
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11.0 x 4.7 x 3.5 mm  |
| Item | Symbol | Specification |
| Frequency Range | Fo | 3.2 MHz ~ 100.0 MHz |
| Operation Mode | 3.2 MHz ~ 48.0 MHz Fundamental / AT-cut (see options) 27.0 MHz ~ 100.0 MHz 3rd-overtone / AT-cut (see options ) 24.0 MHz ~ 54.0 MHz Fundamental / BT-cut (see options) |
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| Operating temperature Range | To | -20° to +70°C (see options) |
| Frequency Tolerance at 25°C | Δf/F | ± 50ppm max. (see options) |
| Temperature Stability | Δf/F | ± 50ppm max. (see options) |
| Load Capacitance (CL) | CL | series or 8 pF to 50 pF (see options) |
| Equivalent Series Resistance | ESR | See Table 1 |
| Shunt Capacitance (Co) | Co | 7pF Max |
| Insulation Resistance | Ri | 500 MΩ min. (at 100Vdc) |
| Drive Level | DL | 100μW typical , 500μW max. |
| Aging | Δf/F | ±5ppm max (at 25°C, first year) |
| Packing Unit | Bulk in bag | |
| Customer specifications on request |
TABLE 1: Standard ESR
| Frequency (MHz) | ESR (Ω) max. | Frequency (MHz) | ESR (Ω) max. |
| 3.2 - 4.499 | 150 | 13.0 - 48.0 | 40 |
| 4.5 - 6.9 | 100 | 27.0 - 31.99, 3rd overtone | 100 |
| 7.0 - 9.9 | 80 | 32.0 - 100.0, 3rd overtone | 80 |
| 10.0 - 12.99 | 50 | 24.0 - 54.0, Fund. BT-cut | 40 |
OPTIONS & ORDERING INFORMATION
| 49S- | ...................... |
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| Freq. Tolerance | Freq. Stability* | Operating Temp.* | Load Capacitance | Mode | Frequency in MHz | ESR if other than STD | 3rd lead option | |
| 10 = ±10 ppm | 10 = ±10 ppm | D = -10° / +60°C | Please specify CL in pF or S for Series | F = Fundamental | Please specify the frequency in MHz | Specify a value in Ω |
3L = 3th lead option | |
| 15 = ±15 ppm | 15 = ±15 ppm | E = 0° / +70°C | D = 3rd overtone | |||||
| 20 = ±20 ppm | 20 = ±20 ppm | F = -20° / +70°C | FB = Fundamental, BT-cut | |||||
| 25 = ±25 ppm | 25 = ±25 ppm | G = -30° / +75°C | ||||||
| 30 = ±30 ppm | 30 = ±30 ppm | H = -30° / +85°C | ||||||
| 50 = ±50 ppm | 50 = ±50 ppm | K = -40° / +85°C |
* Note: Not all combinations are possible, please consult us.
OUTLINE DIMENSIONS
