Document 1008-1 “PoE Plus” Magnetics – ETH1-460 The ETH1-460L_1 is developed for high power PoE applications in support of the goals of the IEEE 802.3at-2009 standard. This module is designed for 4-pair cabling plants at 60 Watts. It exceeds the return loss requirements of Gbit Ethernet. This single component solution may be used in place of two ETH1-230 parts, saving valuable board space. It has a minimum open-circuit inductance of 350 µH at an offset current of 35 mA at 25°C ambient temperature, and can handle 22.5 mA minimum dc offset at 85°C. Typical temperature rise from 25°C ambient is 7°C with 800 mA and 10°C with 1000 mA dc current applied. Winding to winding isolation is 1500 Vrms. Ambient temperature range: –40°C to +85°C with 1 A current. 1. When ordering, please specify packaging code: ETH1-460LD Core material Ferrite Terminations RoHS compliant tin-silver-copper over tin over nickel over phos bronze Weight 3.6 g Ambient temperature –40°C to +85°C Storage temperature Component: –40°C to +85°C. Tape and reel packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 60 per billion hours / 16,666,667 hours, calculated per Telcordia SR-332 Packaging 250/13″ reel; Plastic tape: 32 mm wide, 0.5 mm thick, 24 mm pocket spacing, 10.6 mm pocket depth PCB washing Only pure water or alcohol recommended Packaging:D =13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (250 parts per full reel). B= Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead. Dimensions are in inches mm US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 1008-1 Revised 10/09/12 © Coilcraft Inc. 2012 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check out web site for latest information. Document 1008-2 “PoE Plus” Magnetics – ETH1-460 Return Loss 0 0 10 10 20 20 30 30 Return Loss (dB) 40 50 60 70 40 50 60 70 80 80 90 90 100 100 1 10 100 1000 Frequency (MHz) 1 10 L vs Offset Current TXCT 1200 TX+ 24 23 1 2 3 800 TX– RXCT 600 RX+ 85°C 400 70°C 21 20 4 1:1 5 5 10 15 20 25 Current (mA) 30 35 40 Chipset side 6 0 TX+ TX– 22 25°C 200 TXCT 1:1 1000 Inductance (µH) 1000 802.3af specification: 18 dB min from 1 MHz to 40 MHz 16 dB min at 50 MHz 12 dB min at 80 MHz 10 dB min at 100 MHz 802.3af specification: 1.0 min dB from 0.1 MHz to 100 MHz 1.2 min dB at 125 MHz 0 100 Frequency (MHz) RXCT RX+ RX– RX– 19 TXCT TX+ 7 18 17 8 9 TX– RXCT RX+ TXCT 1:1 Cable side Insertion Loss (dB) Insertion Loss TX+ TX– 16 10 15 14 1:1 11 12 RXCT RX+ RX– RX– 13 US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 1008-2 Revised 10/09/12 © Coilcraft Inc. 2012 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check out web site for latest information.