Yint Electronics Offers 48V Common Protection Scheme Solutions for 5G Communication Power Supply
The fifth generation mobile communication technology is a new generation of broadband mobile communication technology with high speed, low latency, and large connection characteristics. It is the network infrastructure that realizes the interconnection of humans, machines, and things.
Characteristics Of 5G
Compared with existing 3G and 4G communications, 5G communications have the characteristics of ultra-high speed and extremely low latency. The reason for these characteristics is that 5G communication uses a higher frequency spectrum. Taking China as an example: the frequency band of 4G LTE is 1.8GHz-2.65GHz, while the currently announced frequency band of 5G is 3.3GHz-5GHz. In the future, millimeter wave (mmW) 5G communications higher than 6GHz will be built. The higher the frequency ν, the smaller the wavelength λ. For wireless communication, this means the smaller the coverage area of the communication signal. On the one hand, this requires a higher density of 5G communication base stations. On the other hand, a single communication base station is needed to solve problems such as small signal coverage area.
5G Power Supply Requirements
As the heart of the communication system, the reliability of the communication power supply determines the reliability of the entire system.
5G communications will see a large number of micro (small) base stations. If batch failures occur, the maintenance costs will be astonishingly high. To reduce maintenance costs, improving power supply reliability is the main requirement for 5G communication power supply. For outdoor power supplies, since they may be subject to lightning strikes, lightning strike and surge testing is very critical.
-48V Common Protection Scheme
Solution 1
① The device is used, the varistor is 14D820KH, the gas discharge tube is 2R090S-6*4.2, the TVS is SMCJ58CA, which meets the requirements of 1.2/50-8/20μs comprehensive wave CM/DM 6KV-3KA.
② Advantages of the solution: The protection level is relatively high, and devices can be flexibly replaced to achieve different protection levels.
③ Disadvantages of the solution: The devices used are relatively large and take up a lot of space, which is not conducive to miniaturization design.
Fig.1
Solution 2
① Device selection: If the protection level is not high, choose SMDJ58CA or 5.0SMDJ58CA. If the protection level is relatively high, Littel's AK10 series and plug-in products are more commonly used on the market, and Yint company's newly developed LSPD6 series and LSPD10 The series is a perfect replacement for the AK10 series is in SMD packaging, which is very conducive to automated production. Its parameters are as follows:
② Advantages of the solution: fewer components are used, small space is occupied, and no decoupling inductor is needed.
③ Disadvantages of the solution: Slightly higher cost Mainly used in BBU power supply section.
Fig.2
Table.1
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本文由三年不鸣转载自Yint News，原文标题为:5G Power Protection Devices，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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目录- 公司简介 瞬态抑制二极管 静电保护器件 半导体放电管 气体放电管 压敏电阻 自恢复保险丝 热敏电阻 肖特基二极管 整流二极管 高压二极管 稳压二极管 场效应管 霍尔传感器 热保护器 共模滤波器 低压差线性稳压器
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品类
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压敏电压V1mA（V）
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最大允许
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最大允许
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静态功率（W）
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能量耐量10/1000 µs（J）
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最大能量 (Joule) 2ms
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静态电容量（参考值）1KHz（pf）
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25D201K
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压敏电阻
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200(185~225)
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130
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170
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340
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20
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10
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1.0
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产品型号
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品类
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压敏电压V1mA（V）
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通流容量1.2/50μs&8/20μs Imax（A）
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通流容量1.2/50μs&8/20μs In（A）
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静态功率（W）
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能量耐量10/1000 µs（J）
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最大能量 (Joule) 2ms
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静态电容量（参考值）1KHz（pf）
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32D201K
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压敏电阻
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200(185~225)
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130
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170
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340
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25
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15
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1.2
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210
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1.2
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4200
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音特电子（Yint Electronics）气体放电管（GDT）选型指南
描述- YINT provides high-performance and small size packaging (DIP/SMD) gas discharge tubes with fast response speed and surge suppression capability, which reduces the risk of equipment damage, this is also a good choice for protecting devices from damaging by surge current caused by lightning, especially suitable for outdoor telecommunications equipment.
型号- 2R300L-5.5×6,2R470L-5.5×6,2R090L-8×6,2R075S-8×6,2R230S-8×6,3R350L-8×10,2R150L-5.5×6,3R230S-5×7.6,3R400L-5×7.6,SMD1206-401,3R350S-6×8,SMD1812-501,2R300S-8×6,3R150S-6×8,3R300L-8×10,2R200S-8×6,2R400S-8×6,3R150L-6×8,2R600S-8×6,3R600L-6×8,2R400S-6×4.2,SMD1206-471,SMD1812-351,2R***L-5.5×6,SMD1206-351,SMD1812-231,2R090L-5.5×6,3R300L-6×8,2R470S-6×4.2,SMD1206-231,SMD1812-471,3R150L-5×7.6,3R300L-5×7.6,2R075L-8×6,2R300L-8×6,2R090S-8×6,3R090L-8×10,SMD1812-071,3R470L-8×10,3R***L-6×8 SERIES,2R200S-6×4.2,SMD1812-601,3R300S-6×8,2R350S-6×4.2,SMD1812-201,3R400S-6×8,2R470L-8×6,3R230L-6×8,2R350S-8×6,3R200S-5×7.6,3R600L-8×10,2R075S-6×4.2,3R***S-5×7.6 SERIES,SMD1812 SERIES,3R470S-6×8,2R150S-6×4.2,3R400L-6×8,3R470L-6×8,3R350L-6×8,3R200L-8×10,SMD1812,2R230L-8×6,2R***S-8×6 SERIES,2R470S-8×6,2R400L-8×6,2R350L-8×6,3R***S-6×8 SERIES,3R230L-5×7.6,SMD1206-201,2R600L-5.5×6,SMD1812-421,2R***S-6×4.2 SERIES,SMD1812-301,3R090S-6×8,3R400S-5×7.6,2R230S-6×4.2,2R1000L-5.5×6,SMD1206-151,SMD1206 SERIES,3R150S-5×7.6,SMD1812-151,2R600S-6×4.2,2R***L-5.5×6 SERIES,3R200L-5×7.6,3R230S-6×8,3R090L-6×8,2R1000S-6×4.2,3R300S-5×7.6,3R075L-5×7.6,SMD1812-121,3R600S-6×8,3R***S-5×7.6,3R***S-6×8,3R090L-5×7.6,SMD1206-421,2R***S-6×4.2,2R150S-8×6,2R***L-8×6,3R090S-5×7.6,3R200S-6×8,SMD1206-301,3R075S-5×7.6,SMD1206,2R090S-6×4.2,SMD1812-401,3R230L-8×10,2R350L-5.5×6,3R***L-8×10 SERIES,3R350S-5×7.6,3R400L-8×10,2R200L-5.5×6,3R075L-6×8,3R200L-6×8,3R***L-5×7.6,2R230L-5.5×6,3R600S-5×7.6,2R075L-5.5×6,3R470L-5×7.6,3R***L-8×10,3R600L-5×7.6,2R300S-6×4.2,3R470S-5×7.6,2R200L-8×6,3R075L-8×10,3R150L-8×10,3R***L-5×7.6 SERIES,2R400L-5.5×6,3R350L-5×7.6,SMD1812-091,3R075S-6×8,2R***L-8×6 SERIES,2R600L-8×6,SMD1206-091,2R***S-8×6,2R150L-8×6,3R***L-6×8
7D Series Metal Oxide Varistors
型号- 14D,7D330KJ,10D,7D560KJ,7D270KJ,7D121KJ,7D471KE,7D681KJ,7D821K,7D151KJ,7D SERIES,7D221KJ,7D271K,7D181K,7D781KH,7D781KJ,7D820KJ,7D121K,7D361KJ,7D101K,7D470KJ,5D,7D820K,7D181KJ,7D391KJ,7D331K,7D751K,7D561K,7D270K,7D391K,7D180K,7D751KH,7D271KJ,7D561KH,32D,7D331KJ,7D751KJ,20D,7D561KJ,7D101KJ,7D431KJ,7D621K,7D201KJ,7D680KJ,7D201K,7D621KH,7D471KJ,7D431KH,7D221K,7D431K,7D621KJ,7D330K,7D560K,7D241KJ,7D241K,7D220KJ,7D471K,7D681K,7D390K,7D551KH,7D301KJ,7D151K,7D511KJ,7D821KJ,7D471KH,7D821KH,7D681KH,7D,7D511K,7D301K,7D390KJ,7D180KJ,7D220K,7D680K,7D470K,7D361K,7D781K
音特电子34S系列压敏电阻选型表
音特电子34S系列压敏电阻选型表提供以下参数，压敏电压：200~1200V；最大允许使用电压AC：130~750V；最大允许使用电压DC：170~980V；最大限制电压：340~1980V；静态功率：1.4W。
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产品型号
|
品类
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压敏电压V1mA（V）
|
最大允许
使用电压AC（V）
|
最大允许
使用电压DC（V）
|
最大限制
电压V-5A（V）
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通流容量1.2/50μs&8/20μs Imax（A）
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通流容量1.2/50μs&8/20μs In（A）
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静态功率（W）
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能量耐量10/1000 µs（J）
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最大能量 (Joule) 2ms
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静态电容量（参考值）1KHz（pf）
|
|
34S201K
|
压敏电阻
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200(185~225)
|
130
|
170
|
340
|
40
|
20
|
1.4
|
260
|
1.4
|
5980
|
选型表 - 音特电子 立即选型
音特电子14D系列压敏电阻选型表
音特电子14D系列压敏电阻选型表提供以下参数，压敏电压：18~1800V；最大允许使用电压AC：11~1000V；最大允许使用电压DC：14~1465V；最大限制电压：36~2970V；静态功率：0.1~0.6W。
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产品型号
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品类
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压敏电压V1mA（V）
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最大允许使用电压AC（V）
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最大允许使用电压DC（V）
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最大限制电压V-5A（V）
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通流容量1.2/50μs&8/20μs Imax（A）
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静态功率（W）
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能量耐量10/1000 µs（J）
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最大能量(Joule) 2ms
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静态电容（参考值）1KHz（pf）
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14D180K
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压敏电阻
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18(16~21)
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11
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14
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36
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1000
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0.1
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3.2
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4.1
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18000
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选型表 - 音特电子 立即选型
电子商城
品牌：硕凯电子
品类：Surface Mount Transient Voltage Suppressors
价格：￥1.5000
现货： 35,540
品牌：硕凯电子
品类：Surface Mount Transient Voltage Suppressors
价格：￥0.9375
现货： 29,150
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可烧录IC封装SOP/MSOP/SSOP/TSOP/TSSOP/PLCC/QFP/QFN/MLP/MLF/BGA/CSP/SOT/DFN；IC包装Tray/Tube/Tape；IC厂商不限，交期1-3天。支持IC测试（FT/SLT），管装、托盘装、卷带装包装转换，IC打印标记加工。
最小起订量： 1pcs 提交需求>
支持1拖1/1拖8/eMMC离线烧录，可烧录IC类型：UFS/UMCP/MCU/MPU/EPROM/EEPROM/FLASH/Nand Flash/PLD/CPLD/SD Card/TF Card/ CF Card/eMMC Card/eMMC/eMCP/MoviNand/OneNand等；IC包装Tray/Tube/Tape；提供免费10pcs样品试样。
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