SFP28 25G Copper Twinax Cable XM DAC

SFP28 Direct Attach Cables (25G DAC) are compliant with SFF-8432 and SFF-8402 specifications. Various choices of wire gauge are available from 30 to 26 AWG with various choices of cable length (up to 5m). The SFP28 passive direct attach copper cable assemblies are high-performance, cost-effective I/O solutions for 25G Ethernet. SFP28 copper cables allow hardware manufacturers to achieve high port density, configurability, and utilization at a very low direct attach sfp+ copper transceivercost and reduced power budget of passive copper cable.

As one ofprofessional optical transceiver companies, we also provide a range of optical transceivers, such as 400g optical transceiver, 100g optical transceivers, 40g qsfp+aatransceiver, 25g sfp28 transceiver, 10G SFP+transceiver, sfp device, etc.

Compatibility of SFP28 DACCable

SFP-H25G-CU5M5M 25G SFP28 DAC

SFP-H25G-CU3M3M 25G SFP28 DAC

SFP-H25G-CU2M2M 25G SFP28 DAC

SFP-H25G-CU1M1M 25G SFP28 DAC

Technical Specification Of SFP28 25GDACCablexM

Parameter	Symbol	Min	Typical	Max	Unit	Note
Differential Impedance	TDR	90	100	110	Ώ
Insertion loss	SDD21	-22.48		-8	dB	At 12.8906 GHz
Differential Return Loss	SDD11	-12.45		See 1	dB	At 0.05 to 4.1 GHz
	SDD22	-3.12		See 2	dB	At 4.1 to 19 GHz
Common-mode to common-mode output return loss	SCC11			-2	dB	At 0.2 to 19 GHz
	SCC22
Differential to common-mode	SCD11	-12		See 3	dB	At 0.01 to 12.89 GHz
return loss	SCD22	-10.58		See 4		At 12.89 to 19 GHz
Differential to Common Mode	SCD21-IL			-10	dB	At 0.01 to 12.89 GHz
Conversion Loss				See 5		At 12.89 to 15.7 GHz
				-6.3		At 15.7 to 19 GHz
Channel Operating Margin	COM			-3	dB

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