QT49-4.000MAHH-B
QST
QT49-4.000MAHH-B
QST
HC49 30PPM @25C 30PPM (-40 TO 8
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QT49-4.000MAHH-B
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Product details
The QT49-4.000MAHH-B from QST establishes new standards for Crystals in consumer electronics, combining ultra-low power consumption with exceptional timing accuracy. Optimized for wearable devices and smart home applications, it delivers the perfect balance of performance and energy efficiency.This MHz Crystal oscillator incorporates power-saving technologies that extend battery life in always-connected IoT devices without sacrificing timing precision.Supporting 4 MHz operation, it provides the clock foundation for Bluetooth Low Energy, Zigbee, and other wireless protocols.With ±30ppm stability, the device maintains accurate timekeeping in fitness trackers and smartwatches across varying environmental conditions.The ±30ppm tolerance ensures reliable wireless synchronization in dense IoT deployments with numerous connected devices.Configured with 15pF load capacitance, it optimizes power consumption during sleep modes while enabling fast wake-up times.The ultra-low 150 Ohms ESR contributes to industry-leading power efficiency in energy-harvesting sensor nodes.Employing Fundamental technology, it achieves the necessary frequency purity for sensitive biometric sensors in health monitoring devices.Rated for -40°C ~ 85°C, the component performs reliably in both indoor smart home devices and outdoor wearable applications.The Through Hole design enables automated assembly processes while withstanding mechanical stress in portable consumer products.The miniature HC-49/US package supports ultra-compact designs required in hearables and augmented reality glasses.With 0.453" L x 0.197" W (11.50mm x 5.00mm) dimensions, it fits the most space-constrained PCB layouts in modern wearable electronics.The 0.145" (3.68mm) ultra-slim profile enables integration into the thinnest smartwatch and fitness band designs.
Product Attributes
- Product Status: Active
- Type: MHz Crystal
- Frequency: 4 MHz
- Frequency Stability: ±30ppm
- Frequency Tolerance: ±30ppm
- Load Capacitance: 15pF
- ESR (Equivalent Series Resistance): 150 Ohms
- Operating Mode: Fundamental
- Operating Temperature: -40°C ~ 85°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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