Circuit-protection components such as fuses and TVS diodes protect power and data circuits from damage. Here’s where and how to insert them into your circuits.
littelfuse
Thyristors provide high surge-current overvoltage protection in compact package
The new Pxxx0S3N SIDACtor Protection Thyristor Series safeguards exposed interfaces in industrial and ICT applications, including RS-485 data interfaces and ac/dc power supplies. Providing equipment in harsh environments with increased protection from severe overvoltage transients assists designers in complying with regulatory requirements. Available in a compact, DO-214AB (SMC) package, the Pxxx0S3N SIDACtor series is designed […]
High-voltage cartridge fuse features AEC-Q200-compliant overcurrent protection
The new 828 Series High-Voltage Cartridge Fuses are designed and tested to meet the circuit protection needs of compact automotive electronics, specifically Electric Vehicle (EV) applications. These robust fuses are Littelfuse internal AEC-Q200 compliant, providing a high interrupting rating (10 kA @ 1,000 Vdc), which is ideal for the On-Board Chargers (OBCs) and Power Distribution […]
Design tips for high-voltage protection in EVs and hybrids
The primary goal of EV protective circuits: Keep vehicle occupants safe day-to-day and first-responders protected if the worst happens. Michael Zimmerman, Littelfuse, Inc. The 12-V automotive battery may become a relic of the past as electric vehicles (EV) and hybrid cars gain market share. EVs and hybrid vehicles use battery packs of at least 500-V […]
Littelfuse completes C&K acquisition, enhances switch product line
The company known for circuit protection expands its switch offerings. Acquisitions take place all the time. Often, it’s startups being acquired by larger companies or companies being acquired by competitors. In the case of Littelfuse’s acquisition of C&K, it’s the merger of two long-established electrical/electronic component companies. The recently completed acquisition of C&K greatly enhances […]
Compact cartridge fuses available with high-current, high-voltage ratings
Littelfuse, Inc. announced the compact cartridge fuse series available that’s rated at 500Vac/Vdc with current ratings from 40A to 63A and a 10,000A interrupting rating. The 607 Series high-current, high-voltage cartridge fuse, designed for overcurrent protection applications, provides a robust solution for demanding high-voltage power supply circuits. The 500V fuse rating is suitable for both […]
High-voltage fuses designed for automotive, EV apps
Littelfuse, Inc. announced the new 828 Series High-Voltage Cartridge Fuses, designed and tested to meet the circuit protection needs of compact automotive electronics, specifically Electric Vehicle (EV) applications. These robust fuses are Littelfuse internal AEC-Q200 compliant, providing a high interrupting rating (10 KA @ 1,000 Vdc), which is ideal for the On-Board Chargers (OBCs) and Power […]
Automotive fuses carry 1 kVdc ratings
Littelfuse, Inc. announced the new EV1K Series Fuses, the first Automotive Grade fuse with a rating of 1000 Vdc. They are designed and tested to meet the overcurrent circuit protection needs of the eMoblilty market, specifically Electric Vehicle (EV) applications. The EV1K provides overcurrent protection in EV high-voltage power supply applications, including: On-board chargers (OBCs); Battery […]
Thyristors provide high surge current overvoltage protection in compact package
Littelfuse, Inc. announced the new Pxxx0S3N SIDACtor Protection Thyristor Series, which safeguards exposed interfaces in industrial and ICT applications, including RS-485 data interfaces and AC/DC power supplies. Providing equipment in harsh environments with increased protection from severe overvoltage transients assists designers in complying with regulatory requirements. Available in a compact, DO-214AB (SMC) package, the Pxxx0S3N SIDACtor series is […]
Surface-mountable Li-ion battery protectors prevent overcharging damage
Littelfuse, Inc. announced the new ITV4030, a series of 22 amp, three-terminal, surface-mountable Li-ion battery protectors. These 4.0 x 3.0 mm devices protect battery packs against overcurrent and overcharging (overvoltage) conditions. The innovative design uses embedded fuse and heater elements that provide fast response and reliable performance to interrupt the charging or discharging circuit before the […]