1. Overview of RJ45-POE-PD interface
POE (Power Over Ethernet) refers to the transmission for some IP-based terminals (such as IP phones, wireless LAN access points AP, network cameras, etc.) without making any changes to the existing Ethernet Cat.5 cabling infrastructure. At the same time as data signals, it can also provide DC power supply technology for such equipment. POE is also called a local area network-based power supply system (POL, Power over LAN) or active Ethernet (Active Ethernet). Sometimes it is also referred to as power over Ethernet. It uses existing standard Ethernet transmission cables to simultaneously transmit data and The latest standard specifications for electrical power and maintaining compatibility with existing Ethernet systems and users.
2. Test standards
iec61000-4-2 (esd): 30kv (air); 30kv (contact)
iec61000-4-5 (surge)
3. Application block diagram
4. Recommend ESD protection products
5.1.1. SVC500B58 product overview
SVC500B58 series TVS transient suppression diode products have extremely fast response time (sub-nanosecond level) and very high surge absorption capability. Designed to protect sensitive electronic equipment in circuit applications from voltage transients caused by lightning strikes and other transient voltage events.
5.1.2. SVC500B58 product has the following main advantages:
> Adopts standard surface mount SMC package
> Peak pulse power at 10×1000μs waveform is 5000W, repetition frequency (duty cycle): 0.01%
> Fast response time: typically less than 1.0ps from 0 volts to VBR minimum
> Excellent clamping capability
> Small leakage current
> High temperature welding guaranteed: terminal 260°C/40 seconds
> Halogen-free and compliant with RoHS and Reach test standards
5.2.1, se3d35b3.3ma product overview
se3d35b3.3ma series electrostatic suppressor products have the characteristics of small leakage current, fast response speed (ns level), small inter-electrode capacitance, and high reliability. They are widely used in security monitoring, network communications, automotive electronics, white goods, and industrial control. ESD electrostatic protection for signal interfaces in other fields.
5.2.2, se3d35b3.3ma products have the following main advantages:
> Adopts standard surface mount sod-323 package
> Fast response time
> Excellent clamping capability
> Small leakage current
> Halogen-free and compliant with ROHS and reach test standards
6. Availability
The SVC500B58 series products are packaged in SMC standard, 3,000 pcs per tray, and the se3d35b3.3ma series are packaged in SOD-323 standard, 3,000 pcs per tray. Samples are now available; you can request samples from Semiware authorized dealers around the world. For a list of semiware authorized dealers, please visit https://www.semiware.com.
About Semiware
Semiware has a comprehensive product lineup of circuit protection device products. The company leverages its technology in the semiconductor field and application background in end products to serve customers in the electronics, automotive and industrial markets. For more information, please visit semiware official website: https://semiware.com
Tel: +86-21-3463-7654;
Toll-free technical support hotline: +86-400-021-5756
If you need to apply for samples or purchase products, please contact us as follows:
Tel: +86-18930674110;
Whatsapp: 008618123742225
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