HCM4940000000ABJT
Citizen Finedevice Co Ltd
HCM4940000000ABJT
Citizen Finedevice Co Ltd
CRYSTAL 40.0000MHZ 18PF SMD
Reference Price (USD)
1+
$0.81000
500+
$0.8019
1000+
$0.7938
1500+
$0.7857
2000+
$0.7776
2500+
$0.7695
Exquisite packaging
Discount
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HCM4940000000ABJT
$0.81
Product details
Citizen Finedevice Co Ltd's HCM4940000000ABJT Crystals redefines power efficiency for energy harvesting applications, optimized to operate with minimal current draw while maintaining exceptional timing accuracy. Designed for self-powered IoT sensors and wearable devices, it enables years of maintenance-free operation from ambient energy sources.As a MHz Crystal device, it incorporates novel circuit architectures that reduce startup voltage requirements compared to conventional oscillators.Supporting 40 MHz operation, the crystal provides stable timing for energy-aware wireless protocols like LoRaWAN and NB-IoT.The ±50ppm stability ensures reliable timekeeping despite power source fluctuations in kinetic and thermal energy harvesters.With ±30ppm tolerance, it maintains synchronization in sparse wake-up scenarios typical of energy-neutral operation.Optimized with 18pF load capacitance, it minimizes power consumption during sleep modes while enabling rapid wake-up transitions.The ultra-low 100 Ohms ESR enables operation from micro-energy sources like piezoelectric harvesters and small solar cells.Employing 3rd Overtone technology, it achieves sub-threshold operation compatible with energy-constrained environments.Designed for -10°C ~ 60°C, the component performs reliably in both indoor environmental sensors and outdoor agricultural monitors.The Surface Mount design facilitates automated assembly while withstanding mechanical stress in embedded sensor applications.The HC-49/US package enables direct integration with energy harvesting power management ICs in compact designs.With 0.449" L x 0.185" W (11.40mm x 4.70mm) dimensions, it fits the most space-constrained layouts in smart building sensors and industrial condition monitors.The 0.169" (4.30mm) ultra-slim profile enables integration into paper-thin flexible electronics and smart labels.
Product Attributes
- Product Status: Active
- Type: MHz Crystal
- Frequency: 40 MHz
- Frequency Stability: ±50ppm
- Frequency Tolerance: ±30ppm
- Load Capacitance: 18pF
- ESR (Equivalent Series Resistance): 100 Ohms
- Operating Mode: 3rd Overtone
- Operating Temperature: -10°C ~ 60°C
- Ratings: -
- Mounting Type: Surface Mount
- Package / Case: HC-49/US
- Size / Dimension: 0.449" L x 0.185" W (11.40mm x 4.70mm)
- Height - Seated (Max): 0.169" (4.30mm)
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