Mouser Electronics, Inc., the industry’s leading New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components, is now stocking the B82806D pulse transformers from EPCOS, a TDK Group company. These new EPCOS transformers are designed specifically for the IEEE 802.3bt Power over Ethernet++ (PoE++) standard for supplying devices with higher power demands, such as video and point-of-sale systems, lighting controllers, fire alarm systems, and building access systems.
The EPCOS B82806D devices, available from Mouser Electronics, are a series of 60 W PoE transformers with different turns ratios for output voltages of 3.3 V, 5 V, 12 V, and 24 V. Featuring an EPCOS EFD 20 ferrite core, the B82806D PoE transformers offer DC resistance values as low as 3.5 milliohms and a typical switching frequency of 250 kHz. The B82806D transformers are compliant with UL 1446 class 130 (B) standards, are RoHS compatible, and can withstand a high-voltage test for one second between the primary and secondary sides at 1500 V AC, 50 Hz.
Capable of supplying powerful loads, the transformers’ high efficiency also makes them appropriate for active clamp forward converter topologies.
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