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ILSI 4 MHz Crystal Unit Surface Mount Device ±50 ppm Frequency Tolerance SMD 2-Pin 4.5 mm Height HC49USM-BA5FT22-4.000MHz
Specifications
| Country of Origin | China |
|---|---|
| Brand | ILSI |
| Height | 4.5mm |
| Length | 13.3mm |
| Model | HC49USM-BA5FT22-4.000MHz |
| Packaging | Tape & Reel |
| Width | 4.73mm |
| Mount Type | Surface |
| Series | HC49USM |
| Maximum Operating Temperature | 85°C |
| Package Type | SMD |
| Minimum Operating Temperature | -40°C |
| Standards/Approvals | RoHS |
| Pin Count | 2 |
| Standard Frequency | 4MHz |
| Load Capacitance | 22pF |
| Series Resistance | 150Ω |
Key Features
- Features a standard frequency of 4 MHz with a frequency tolerance of ±50 ppm.
- Designed for surface mount applications with a 2-pin configuration.
- Operates reliably between -40°C and +85°C temperature range.
- Load capacitance is rated at 22 pF for stable oscillation.
- Low series resistance at 150 Ω to minimize signal loss.
- Complies with RoHS standards for environmental safety.
- Suitable for fiber channel servers, storage systems, Wi-Fi devices, and telecommunications equipment.
Product Description
ILSI HC49USM-BA5FT22-4.000MHz 4 MHz Crystal Unit is a high-quality surface mount device designed to provide stable frequency output with a tolerance of ±50 ppm. This crystal unit is housed in a compact SMD package measuring 13.3 mm by 4.73 mm by 4.5 mm which makes it suitable for space-constrained electronic circuits.
Engineered with a load capacitance of 22 pF and a low series resistance of 150 Ω, it ensures reliable oscillation and low signal attenuation. The crystal maintains frequency stability of ±100 ppm, ideal for high-performance applications.
The device operates effectively across a temperature range of -40°C to +85°C, demonstrating robustness for demanding environmental conditions typical in industrial and communication equipment.
This crystal unit is widely used in fiber channel servers and storage, SONET/SDH transmission systems, 802.11 / Wi-Fi, T1/E1, and T3/E3 system clocks. Its surface mount design and lead-free solder compatibility make it suitable for modern manufacturing processes.
Standard frequency of 4 MHz with ±50 ppm tolerance. Compact surface mount package with 2 pins. Load capacitance 22 pF for optimal performance. Operating temperature range from -40°C to +85°C. Low series resistance of 150 Ω.
RoHS compliant, ensuring environmentally friendly manufacturing. Applicable in telecommunications, networking, and industrial equipment. Country of origin: China. Explore more high-quality Crystal Units and electronic components on EnvMart to support your industrial and manufacturing needs.
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Frequently Asked Questions
The standard frequency of this model is 4 MHz with a frequency tolerance of ±50 ppm.
It has a load capacitance rated at 22 pF for stable oscillation.
This crystal unit operates effectively within a temperature range of -40°C to +85°C.
The SMD package measures 13.3 mm in length, 4.73 mm in width, and 4.5 mm in height.
It features a low series resistance of 150 Ω to minimize signal loss.
Yes, it complies with RoHS standards for environmental safety.
This model is designed for surface mounting with a 2-pin configuration.
It is suitable for applications in fiber channel servers, storage systems, Wi-Fi devices, and telecommunications equipment.
The crystal unit is packaged in tape and reel format, suitable for automated assembly processes.
The model number of this crystal unit is HC49USM-BA5FT22-4.000MHz.
This unit belongs to the HC49US series of crystal units.
The maximum operating temperature for this model is 85°C.
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