Versatile automotive 48-V electrical systems will reduce CO2 emissions and make practical super-efficient electrical subsystems. Joseph Pulomena, EPCOS, a TDK Group Co. NEARLY five years ago, the U.S. government issued rules requiring automakers to hit a fleet average of 54.5 mpg for new cars and trucks – nearly doubling average fuel economy. Electric vehicles and […]
AC capacitors for filter applications range from 2 µF to 50 µF
TDK Corporation presents a new series of EPCOS MKP AC capacitors for filter applications. The components of the B33331V series are designed for a rated voltage of 460 VRMS, corresponding to a peak voltage of 650 V, and cover a capacitance range from 2 µF to 50 µF. Both the cans and the tops are constructed of aluminum, making […]
Three-line EMC filters handle up to 280 A
TDK Corporation is expanding the B84243 series of EPCOS 3-line EMC filters to include 10 new types for currents of up to 280 A. All 18 types in the series are designed for a rated voltage of 530 V AC. The performance of this series of filters has been optimized for adherence to limit values in accordance with […]
Film capacitors for DC links handle high temperature and humidity
TDK Corporation today announced that it has extended its range of EPCOS film capacitors for DC link applications. The B3277*H series now provides types for particularly harsh environmental conditions. The robustness has been verified in a temperature, humidity, bias (THB) test at 60 °C, 95 percent relative humidity, and the rated voltage for 1000 hours. […]
Better environmental specs for dc link capacitors
TDK Corporation (TSE:6762) has extended its range of EPCOS film capacitors for DC link applications. The B3277*H series now provides types for particularly harsh environmental conditions. The robustness has been verified in a temperature, humidity, bias (THB) test at 60 °C, 95 percent relative humidity, and the rated voltage for 1000 hours. Special types are also […]
Data book covers metal oxide varistors
TDK Corporation presents the fully revised data book for EPCOS SIOV metal oxide varistors for overvoltage protection. In addition to the extended portfolio of leaded disk varistors, the data book contains the new SNF types with an extended temperature range of between -40 °C and +125 °C. AEC-Q200-qualified automotive types of these varistors are now also available. […]
Transformers handle PoE++ power levels
A new series of EPCOS transformers is designed for an output of up to 60 W, which are therefore suitable for PoE++ according to IEEE 802.3bt. The new B82806D0060A** series comprises four types with different turns ratios for output voltages of 3.3, 5, 12, and 24 V. The SMD components have dimensions of 30x22x11.4 mm […]
Techargeable battery in SMD technology provides 100 µAh at 1.4 V
TDK Corporation presents CeraCharge – the first solid-state rechargeable battery in SMD technology. Depending on requirements, the number of charge/discharge cycles this battery is able to perform ranges from several dozens to up to 1000. With its compact EIA 1812 package (4.5 x 3.2 x 1.1 mm) it offers a capacity of 100 µAh at […]
Current-compensated ring-core chokes for home appliances
TDK Corporation presents a new series of EPCOS ring-core double chokes. The new B82721K2*U* series of RoHS-compatible power line chokes have been developed in particular for use in home appliances such as washing machines and dishwashers, refrigerators, and heating control units. The plastic used (flame-retardant, compliant with UL 94 V-0) with a CTI value of […]
Learning SMPS the hard way
By Syed Tahmid Mahbub, EDAboard.com forum member SMPS is the toughest section in power electronics. For this subject, you require additional knowledge for choosing the active and passive parts used in SMPS circuits. The special type of parts often required in power electronics (i.e. for low-frequency applications) may not be suitable in the case of […]
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