This document describes the electrical and mechanical specifications of the C3E-38.400-12-1010-X quartz crystal unit manufactured by Aker. The dimensions of the unit are 3.2 x 2.5 mm, with a nominal frequency of 38.400 MHz. It operates in a temperature range of -40 to +85 ºC, has a load capacitance of 12 pF, and an equivalent series resistance of 50 ohms.
This document details the specifications of the AKER C3E-38.400-12-1010-X quartz crystal unit, a 3.2 × 2.5 mm SMD component designed for 38.400 MHz operation. It includes electrical parameters such as frequency tolerance, stability, load capacitance, and drive level.
The crystal complies with RoHS lead‑free requirements and lists mechanical dimensions, temperature ranges, aging rate, and recommended land pattern. All dimensions are given in millimeters.
| Nominal Frequency | 38.400 MHz |
|---|---|
| Frequency Tolerance | +10 ppm |
| Frequency Stability | +10 ppm Max |
| Operating Temperature Range | -40 to +85 °C |
| Storage Temperature Range | -55 to +125 °C |
| Aging per Year | +3 ppm Max |
| Load Capacitance | 12 pF |
| Shunt Capacitance (Maximum) | 5 pF |
| Equivalent Series Resistance (ESR) | 50 Ω Max |
| Drive Level | 100 µW Typ – 500 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
| Package Size | 3.2 × 2.5 mm SMD |
The nominal frequency is 38.400 MHz.
It operates from –40 °C to +85 °C.
The load capacitance is 12 pF.
The crystal is a 3.2 × 2.5 mm SMD component.