Product Overview
The MC-146 is a kHz range crystal unit designed for general use in electronic equipment. It offers a nominal frequency of 32.768000 kHz with a frequency tolerance of +/-20.0 x 10-6 at +25C and a load capacitance of 12.5 pF. This crystal unit operates within a temperature range of -40C to +85C and has a maximum drive level of 1.0 W. It complies with the EU RoHS directive.
Product Attributes
- Brand: Seiko Epson (implied by contact information)
- Certifications: EU RoHS directive
- Material: Carrier Tape: PS, Top Tape: PET+PE, Reel: PS (for packing)
Technical Specifications
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Conditions / Remarks |
|---|---|---|---|---|---|---|
| Nominal frequency | f_nom | - | 32.768 | - | kHz | |
| Operating temperature | T_use | -40 | - | +85 | C | |
| Level of drive | DL | - | - | 1.0 | W | |
| Frequency tolerance | f_tol | -20.0 | - | +20.0 | x 10-6 | +25C DL=0.1W |
| Turnover temperature | Ti | +20 | +25 | +30 | C | |
| Parabolic coefficient | B | - | - | -0.04 | x 10-6/C2 | |
| Load capacitance | CL | - | 12.5 | - | pF | |
| Motional resistance (ESR) | R1 | - | 45 | 65 | k | |
| Motional capacitance | C1 | - | 1.9 | - | fF | |
| Internal capacitance | C0 | - | 0.8 | - | pF | |
| Motional inductance | L1 | - | 11.7 | - | kH | |
| Frequency aging | f_age | -3 | - | +3.0 | x10-6 /year | @+25C, First year |
| Storage temperature | T_stg | -55 | - | +125 | C | Storage as single product |
| Maximum drive level | GL | - | - | 1.0 | W |
2410121705_EPSON-Q13MC14620002_C15482.pdf
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