QT49-20.250MAAE-B
QST
QT49-20.250MAAE-B
QST
HC49 30PPM @25C 30PPM (-20 TO 7
Reference Price (USD)
1+
$0.13770
500+
$0.136323
1000+
$0.134946
1500+
$0.133569
2000+
$0.132192
2500+
$0.130815
Exquisite packaging
Discount
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QT49-20.250MAAE-B
$0.14
Product details
QST's QT49-20.250MAAE-B Crystals sets new benchmarks for precision timing components, optimized for next-generation communication infrastructure. Its innovative architecture addresses the growing demands for network synchronization and low-phase-noise performance in 5G and satellite systems.As a MHz Crystal device, it delivers superior phase noise characteristics compared to traditional oscillators, essential for radar and software-defined radio applications.Supporting 20.25 MHz operation, the crystal provides multiple frequency options for flexible system design in base station and backhaul equipment.The exceptional ±30ppm stability ensures minimal frequency drift, critical for maintaining synchronization in distributed antenna systems.Precision-engineered with ±30ppm tolerance, it meets stringent requirements for cellular infrastructure timing cards and small cell deployments.The 12pF load capacitance configuration enables optimal matching with high-speed transceivers, reducing power consumption in millimeter-wave applications.With 30 Ohms ESR performance, the device minimizes insertion loss while maximizing energy efficiency in power-sensitive edge computing nodes.Employing Fundamental technology, it achieves excellent harmonic rejection ratios necessary for coexistence in crowded RF spectra.Designed for -20°C ~ 70°C operation, the component maintains precision timing in outdoor telecom equipment exposed to harsh environmental conditions.The Through Hole design incorporates advanced stress-relief features, preventing micro-cracks in vibration-intensive industrial IoT gateways.The HC-49/US package offers superior EMI shielding properties, protecting sensitive clock signals in dense server motherboard layouts.Measuring 0.453" L x 0.197" W (11.50mm x 5.00mm), the space-efficient form factor enables high-channel-count designs in optical transport network equipment.The 0.145" (3.68mm) maximum height complies with strict clearance requirements in blade server configurations.
Product Attributes
- Product Status: Active
- Type: MHz Crystal
- Frequency: 20.25 MHz
- Frequency Stability: ±30ppm
- Frequency Tolerance: ±30ppm
- Load Capacitance: 12pF
- ESR (Equivalent Series Resistance): 30 Ohms
- Operating Mode: Fundamental
- Operating Temperature: -20°C ~ 70°C
- Ratings: -
- Mounting Type: Through Hole
- Package / Case: HC-49/US
- Size / Dimension: 0.453" L x 0.197" W (11.50mm x 5.00mm)
- Height - Seated (Max): 0.145" (3.68mm)
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