CTS Model 445 Surface Mount Quartz Crystal
The CTS Model 445 is a low-cost, fundamental crystal design housed in a standard 5.0mm x 3.2mm glass seal package. It offers a frequency range of 8MHz to 50MHz with standard frequency tolerances of 20ppm and frequency stabilities of 30ppm, with other options available. Designed for a wide operating temperature range from -40C to +85C, this crystal is available in tape and reel packaging and is RoHS compliant. It is an ideal component for various commercial applications including notebooks, computer peripherals, audio visual equipment, Bluetooth and USB interfaces, PDAs, and automotive electronics.
Product Attributes
- Brand: CTS
- Model: 445
- Package: 5.0mm x 3.2mm Glass Seal
- Crystal Design: Fundamental
- Packaging: Tape & Reel (EIA-481)
- Certifications: RoHS Compliant in Accordance with EU Directive 2011/65/EU (Exemption 7(c)-I)
- Termination Finish: Lead-Free
Technical Specifications
| Parameter | Value | Notes |
|---|---|---|
| Frequency Range | 8MHz 50MHz | |
| Operating Mode | Fundamental | |
| Crystal Cut | AT-Cut | |
| Frequency Tolerance @ +25C | 20ppm, 30ppm (Standard) | Other tolerances available |
| Frequency Stability (Operating Temperature Range, Referenced to 25C) | 10ppm, 15ppm, 20ppm, 30ppm, 50ppm | See Ordering Information for specific temperature ranges |
| Operating Temperature Range | -40C to +85C | |
| Equivalent Series Resistance [Maximum] | 100 Ohms (8MHz - <12MHz), 50 Ohms (12MHz - <16MHz), 40 Ohms (16MHz - <30MHz), 30 Ohms (30MHz - <50MHz) | |
| Load Capacitance or Resonance Mode | See Ordering Information | |
| Shunt Capacitance [C0] | 5.0pF Typical, 7.0pF Maximum | |
| Drive Level | 10W Min., 100W Typ., 300W Max. | |
| Aging @ +25C | 3ppm/yr Typical | |
| Storage Temperature Range | -40C to +85C | |
| Reflow Conditions | 260C maximum, 10 seconds (per JEDEC J-STD-020) | MSL 1 |
2410311234_CTS-445I23D24M00000_C1985666.pdf
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