The ECS-40-20-4X is a thru-hole quartz crystal with a low-profile resistance weld package, designed for stable frequency oscillation in electronic circuits. It operates from -10°C to +70°C with a frequency tolerance of ±30 ppm at +25°C and frequency stability of ±50 ppm over the operating range. The load capacitance is specified as 20 pF, and the drive level is 500 μW. The crystal operates at 40.000 MHz in fundamental mode with a maximum equivalent series resistance of 30 Ω. It is RoHS compliant, has an MSL rating of 1, and features a Sn/Cu matte lead finish. The solder profile allows a peak temperature of +260°C for up to 10 seconds, with a maximum of two cycles.
Despite the rise in popularity of surface mount technology (SMT) in passive components, through hole packaging has remained an industry staple for eight decades for a reason. The simplicity and efficacy of this technology, along with its ability to be incorporated into a vast array of designs, make it an excellent choice for many different applications.
Crystals with through hole packing are ideal for larger components that will undergo a significant amount of mechanical stress, high voltage, and/or high power. This is because through hole soldering results in a stronger bond between the passive components and the circuit board. Example applications include transformers, connectors, semiconductors and electrolytic capacitors.
Other advantages to using through hole-mounted components include the compact design to decrease the component’s footprint on the circuit board, exceptional shock and vibration resistance, low frequencies and options for industrial temperature ranges and excellent aging and component longevity and durability.
| ECS Inc. International | DigiKey | |
|---|---|---|
| Product Category | Crystals | Crystals |
| Product Number | ECS-40-20-4X | X1045-ND |
| Product Name | Through Hole Crystals | Crystals |
| Package / Form Factor | Through Hole Crystals | Through Hole; HC-49/US |
| Features / Standards | RoHS | Lead-Free |
| Frequency | 4 MHz | |
| Frequency Stability | 50 ppm | 50 ppm |
