Smart electricity meters give building managers insight into and control over energy use. Littelfuse makes the solid state relays,
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Technically an integrated circuit, an eFuse provides overcurrent, overvoltage, overtemperature, and inrush current protection to circuits and electronic components. An eFuse also has current-limiting characteristics and can transmit diagnostic data to automatic switches and users in real time. Thermal and overvoltage shutdown devices built into eFuses prevent downstream damage from faults. Designed to mount on the surface of printed circuit boards, eFuses can be found in network servers, data storage devices, docking stations, tablets, and computer cooling fan drives.
- Available with a wide range of input voltages, from 2.7 V dc to 24 V dc
- Maximum input and output voltages of 30 V dc
- Available with 3 pins, 8 pins, 10 pins, or 16 pins
- Certified lead-free and RoHS compliant
- Low-profile designs (e.g., 2.9x2.9x0.7 mm) save space on PCBs
- Internal soft start switch’s low on resistance minimizes power loss during start up and inrushes of current
- Externally programmable current-limiting characteristics, overvoltage thresholds, and soft-start times
- Optional fault indicators
eFuse Parts
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eFuse Applications
Electricity Meters
Door & Window Sensors
Door and window sensors networked with alarm systems improve building security. View this block diagram to identify Littelfuse electronic
Gas & Water Meters
Smart gas and water meters promise to give building managers important tools to lower utility bills and increase safety. The flow meters can only
Smart Thermostats
Wi-Fi–enabled smart thermostats showcase a range of circuit protection and sensing solutions Littelfuse can deliver. Our ESD protection devices
