Complying with NBASE-T / IEEE 802.3bz and 802.3bt standards for 1G, 2.5GBASE-T application.
The 100W 4-pair PoE Magnetic Modules can transmit up to 100W of power, utilizing an Ethernet cable compatible with the desired bandwidth.
Compatible with 1G, 2.5G PHYs.
S558-5500-JB supports the latest current-mode and voltage-mode designs.
Industry-standard footprints.
Compliance with ROHS requirements.
Maximum Interwinding Capacitance 30pF.
1500Vrms High Potential.
Operating temperature range: -40℃ to +85℃.

Part Number	S558-5500-JB
Part Status	Active
Transformer Type	LAN 1/2.5 GBase-T Power Over Ethernet Transformer
Mounting Type	Surface Mount
Number of Terminals	24
LAN Transformer Length	17.53 mm
LAN Transformer Depth	15.24 mm
LAN Transformer Height	5.71 mm
Application	1GBase/2.5GBaseT, 100W PoE
Operating Temperature	-40°C ~ 85°C
Packaging	Tape and Reel
Electrical Specifications @ 25℃
Turns Ratio (±2%)	1CT:1CT
OCL (@100KHz/100mV)	180uH MIN WITH 8mA DC BIAS 120uH MIN WITH 23mA DC BIAS
INTERWINDING CAPACITANCE, Cww	30pF Max @1KHz/20mV
DCR	1A MAX 57VDC CONTINUOUS
HI-POT	LEAKAGE CURRENT LESS THAN 1mA AT 1500VAC
Insertion Loss	1-100MHz= -1.odB Max
Crosstalk	-35dB Min @1MHz to 40MHz
CMRR	-25dB Min @1MHz to 150MHz
Return Loss	-20dB Min @1MHz to 40MHz

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