FA-20H MHz Range Crystal Unit
The FA-20H is a MHz range crystal unit designed for general use in electronic equipment. It offers a nominal frequency of 24.000000 MHz with a frequency tolerance of 10 x 10-6 @+25C. This crystal unit complies with the EU RoHS directive and is Pb-free.
Product Attributes
- Product Name: FA-20H
- Product Number / Ordering code: Q24FA20H00339xx (refer to Packing Information for xx)
- Certifications: Pb free / Complies with EU RoHS directive
- Brand: Epson (implied by reference to Seiko Epson)
Technical Specifications
| Parameter | Min. | Typ. | Max. | Unit | Conditions / Remarks |
|---|---|---|---|---|---|
| Nominal frequency | - | 24.000000 | - | MHz | Fundamental |
| Frequency tolerance | -10 | - | +10 | x 10-6 | @+25C |
| Frequency stability over temperature | -25 | - | +25 | x 10-6 | -40C to +85C |
| Operating temperature | -40 | - | +85 | C | |
| Load capacitance | - | 18 | - | pF | |
| Shunt capacitance | - | 1.01 | - | pF | |
| Motional resistance (ESR) | - | - | 80 | ||
| Motional inductance | - | 16.23 | - | mH | |
| Motional capacitance | - | 2.71 | - | fF | |
| Frequency aging | -1 | - | +1 | x10-6/year | @+25C, First year |
| Level of drive | 10 | - | 100 | W | |
| Storage temperature | -40 | - | +125 | C | Storage as single product |
| Reference weight | - | 11 | - | mg |
Packing Information
The last two digits (xx) of the product number indicate packing quantity. The recommended code is "18" for 5000pcs/Reel.
| Code | Description |
|---|---|
| 01 | Any Q'ty vinyl bag (Tape cut) |
| 00 | 3000pcs / Reel |
| 11 | Any Q'ty / Reel |
| 18 | 5000pcs / Reel |
| 12 | 250pcs / Reel |
| 14 | 1000pcs / Reel |
Reflow Profile
Reflow condition follows JEDEC STD-020D.01.
Key parameters:
- Ramp-up: Avg. 3 C/s Max.
- ts (Soak time): 60s to 180s (+150 C to +200 C)
- TL (Liquidus temperature): +217 C
- tL (Time above TL): 60s to 150s (+217 C over)
- TP (Peak temperature): +260 C
- tp (Peak time): 20s to 40s (+25 C to Peak)
- Ramp-down: 6 C/s Max.
Notice
This material is subject to change without notice. Reproduction or duplication in any form is prohibited without written permission. Information provided is for reference only, and Epson does not assume liability for damages or infringement. Compliance with export control laws and regulations is required. Products are intended for general use and not for weapons of mass destruction or military purposes. For applications requiring extremely high reliability (e.g., space, medical, transportation), prior written permission from Seiko Epson is required. All brand and product names are trademarks of their respective owners.
Contact us: http://www5.epsondevice.com/en/contact/
2410121535_EPSON-Q24FA20H00339_C255952.pdf
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