HC-52/HSL Crystals:
HC-52/HSL are the smallest through-hole crystals available commercially. The cross-section is 6.20 x 1.50 mm and the height 4.70 mm, and they are available in tight tolerances up to 200 MHz.HC-52/HSL Frequency Ranges:
| Frequency Range | Fundamental/O.T. | Best ESR |
| 20-30 Mhz | Fundamental | 35 Ohms |
| 50-90 | 3rd O.T. | 30 Ohms |
| 80-150 | 5th O.T. | 70 Ohms |
| 120-200 | 7th O.T. | 150 Ohms |
Frequency Tolerance at 25
C:
From 
50ppm to 5ppm.Frequency Tolerance over Temperature Range:
| Temperature Range
(C) |
Typical Deviation (ppm) |
| 0 to +50 |
5 |
| -10 to +60 |
10 |
