TDK Offers Compact High-Current Chokes for Automotive and Industrial Applications
March 27, 2023
TDK Corporation presents the B82559A*A033 series of new shielded EPCOS ERU33 high-current chokes for through-hole mounting. Designed for high saturation currents from 32 A to 83 A at 100 °C, the six new types cover a range of inductance values from 3.2 µH to 10 µH. DC resistances are as low as 0.85 mΩ or 1.2 mΩ, depending on the type.
Thanks to the flat wire winding, the chokes have very compact dimensions of only 33 x 33 x 15 mm. By thermally connecting the flat wire winding to the core, the large ferrite surface can be coupled to a heat sink for effective heat dissipation. In addition to the standard types, customized variants with other inductance values can also be realized.
The RoHS-compatible and AEC-Q200 REV D-qualified inductors are designed for operating temperatures from -40 °C to 150 °C. Automotive applications are buck-boost chokes for DC-DC converters (e.g. for 48 V on-board power supplies or differential mode chokes in the input filter of onboard chargers. In industrial electronics, they can be used as storage and output chokes in high-current supplies and PoL supplies.
Features & Applications
- Buck-Boost DC-DC converter for 48 V on-board power supplies
- Storage and output chokes in high current supplies
Main Features and Benefits
- High saturation currents from 32 A to 83 A
- Low DC resistances of 0.85 mΩ or 1.2 mΩ
- Very compact dimensions of only 33 x 33 x 15 mm
Further information on the products can be found under www.tdk-electronics.tdk.com/en/eru_chokes
TDK Offers Industry’s Highest Rated Current Multilayer Chip Bead for Automotive Power Supply Lines
TDK Corporation introduced its new MPZ2520SPH Series multilayer chip bead for automotive power supply lines. Rated at 12A and measuring only 2.5 x 2.0 x 0.85㎜ (L x W x H), it is not only the highest rated current bead, but also compact. Mass production began in February 2023.