What are the upgrades and improvements of 5G network transformers compared to 2.5G network transformers?
Time:2025-09-23
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Compared to 2.5G network transformers, 5G network transformers have been upgraded and improved in terms of operating frequency, signal loss, anti-interference ability, and packaging size, as follows:
Higher operating frequency: 2.5G network transformers typically support transmission frequencies of 100MHz-250MHz, while 5G network transformers need to support frequencies of 500MHz-1GHz or even higher to meet higher data rate requirements.
Lower signal loss: 5G network transformers have lower insertion loss, usually< -1dB@500MHz It can ensure the integrity of high-frequency signals, while 2.5G network transformers allow for slightly higher losses, such as< -1.5dB@250MHz At the same time, 5G network transformers have stricter requirements for return loss, generally requiring>20dB to reduce signal reflection, while 2.5G network transformers can be slightly relaxed, requiring>15dB.
Stronger anti-interference capability: 5G network transformers need to have a higher common mode rejection ratio, such as> 60dB@1GHz To better suppress common mode interference, 2.5G network transformers may only require> 50dB@250MHz In addition, 5G networks require stronger filtering and shielding designs to suppress EMI as high-frequency signals are more prone to radiating noise.
More compact packaging size: 5G network transformers typically use more compact SMD packaging, which can reduce parasitic parameters such as parasitic capacitance<1pF, which is beneficial for improving signal transmission performance and circuit integration.
Faster transmission rate: 2.5G network transformers mainly support data transmission rates of 2.5Gbps, while 5G network transformers can support higher data transmission rates, meet the 5GBASE-T standard, achieve faster data transmission, and adapt to scenarios such as data centers and core switches that require high bandwidth.
Better power transmission capability: Some 5G network transformers support higher power PoE power supply, such as supporting up to 90 watts of 4-pair power supply over Ethernet, which can provide more power to connected devices and improve the flexibility and efficiency of network equipment.