PP877 3BSE069272R2参详

PP877 3BSE069272R2参详

PP877 3BSE069272R2参详

PP877 3BSE069272R2参详

PP877 3BSE069272R2引脚线

PP877 3BSE069272R2线路图

PP877 3BSE069272R2说明书

PP877 3BSE069272R2 通信业的迅速发展极·的推动了通信电源的发展。高频小型化的开关电源及其技术已成为现代通信供电系统的主流。在通信领域中,通常将整流器称为一次电源,而将直流-直流(DC/DC)变换器称为二次电源。

PP877 3BSE069272R2 一次电源的作用是将单相或三相交流电网变换成标称值为48V的直流电源。当前在程控交换机用的一次电源中,传统的相控式稳压电源己被高频开关电源取代,高频开关电源(也称为开关型整流器SMR)通过MOSFET或IGBT的高频工作,开关频率一般控制在50-100kHz范围内,实现高·率和小型化。近几年,开关整流器的功率容量不断扩大,单机容量己从48V/12.5A、48V/20A扩大到48V/200A、48V/400A。

PP877 3BSE069272R2 因通信设备中所用集成电路的种类繁多,其电源电压也各不相同,在通信供电系统中采用高功率密度的高频DC-DC隔离电源模块,从中间母线电压(一般为48V直流)变换成所需的各种直流电压,这样可大大减小损耗、方便维护,且安装、增加非常方便。

PP877 3BSE069272R2 一般都可直接装在标准控制板上,对二次电源的要求是高功率密度。因通信容量的不断增加,通信电源容量也将不断增加。

PP877 3BSE069272R2 The rapid development of the communication industry has greatly promoted the development of communication power supplies. High-frequency miniaturized switching power supply and its technology have become the mainstream of modern communication power supply systems. In the field of communications, the rectifier is usually called the primary power supply, and the DC-DC (DC/DC) converter is called the secondary power supply.

PP877 3BSE069272R2 The function of the primary power supply is to convert the single-phase or three-phase AC power grid into a DC power supply with a nominal value of 48V. Currently, in the primary power supply used in program-controlled switches, the traditional phase-controlled regulated power supply has been replaced by high-frequency switching power supply. The high-frequency switching power supply (also called switching rectifier SMR) works through the high frequency of MOSFET or IGBT. The switching frequency Generally controlled within the range of 50-100kHz to achieve high efficiency and miniaturization. In recent years, the power capacity of switching rectifiers has continued to expand, and the single unit capacity has expanded from 48V/12.5A, 48V/20A to 48V/200A, 48V/400A.

PP877 3BSE069272R2 Due to the wide variety of integrated circuits used in communication equipment, their power supply voltages are also different. In the communication power supply system, high-power density high-frequency DC-DC isolated power modules are used to convert the intermediate bus voltage (generally 48V DC) into Various DC voltages are required, which can greatly reduce losses, facilitate maintenance, and is very convenient to install and increase.

PP877 3BSE069272R2 Generally, it can be installed directly on the standard control panel, and the requirement for the secondary power supply is high power density. As communication capacity continues to increase, communication power supply capacity will also continue to increase.

R911334781

ATV310HU15N4A   1台

1606-XLE240EE  2个 面价2615

ACQ580-01-046A-4   1

CIMR-VC4A0004BBA       20

6ES7131-6FD01-0BB1  16个

6SL3120-2TE13-0AD0    1

SDCS-FEX-4

6SE7090-0XX84-0AJ0   

6SE7021-3EB61

2711P-RDT12C     1    面价67923

CIMR-AA4A0675AAA

CIMR-DA4A0130AAA

SGD75-5R5A20A

SGDV-1R9D01A

SGDV-3R5D01A

SGDV-8R4D01A

6ES7138-4BC01-0AB0     

SDCS-FEX4

6SY7000-0AA25   

221-1BF22-0XA0       

6SY7000-0AC78

6SE7032-2EE85-1AA0

ACS550-01-087A-4

LXM05AD10M2    2

6SL3915-0LX20-0AA0   1

IC693PWR322LTK     1

6AV3688-3EH47-0AX0

6AV7881-5AE00-3DA0

R939003768

6AG1640-0AA00-2AX1

2711P-T9W22D8S  28690

2711P-T12W22A9P  49737

6AV7892-0BD00-1BA0

6AV7872-0BE30-0AC0

6AV7862-2TA00-1AA0

HARS700/033  1

2711-B6C15  4   37700

CIMR-F7A47P5

CIMR-G7A4011 各1

6SL3985-6TN00-0AA0 1个

A200M4CAC  5

845G-F3G8HC1024R  1 面价6687

20AC030A0AYNANC0   1 面价25915

6GK5626-2GS00-2AC2  37

6FX2001-5QN13  18

6AV7861-3TB10-2AA0   4

1394-SJT10-C-RL B V3.6  1 

A02B-0303-D031

A20B-8002-0998

1794-ACNR15   4  面价17375

EVF9330-EV   1

EVS9321-EP   1

ATV71LU75N4Z数量1

8CVI088E1HCS0.00-1   1

8LSA35.DA060S000-3  1

1769-OB16   1  面价4732

PM5560

YOKOGAWA DX204-2-2/BT11M1  DX20422BT11M1

YASKAWA ELECTRIC UAACLA-37AA2K  UAACLA37AA2K

YASKAWA ELECTRIC LHBVB027J  LHBVB027J

YASKAWA ELECTRIC CIMR-P5U20300F  CIMRP5U20300F

WESTINGHOUSE HNCG31200F  HNCG31200F

WESTINGHOUSE DS416-1200A-LSIG  DS4161200ALSIG

UNITED TECHNOLOGIES TVD6-200-10BL  TVD620010BL

TOSHIBA VT130G3U-6400  VT130G3U6400

TOPAZ 97630-21  9763021

TEXAS INSTRUMENTS PLC CVU1000-8001  CVU10008001

TEXAS INSTRUMENTS PLC 505-5103  5055103

TEKTRONIX 3001GPX  3001GPX

TB WOODS WFC-4050-0CHT  WFC40500CHT

TAYLOR ELECTRONICS 5202RA2000  5202RA2000

SYMAX 8030-CRM-211  8030CRM211

SYMAX 8010-SFW-601  8010SFW601

STAEFA CONTROL SYS REG9  REG9

SQUARE D SMSDL  SMSDL

SPRECHER & SCHUH CA1-800-N  CA1800N

SIEMENS 6SN1-145-1BA01-0DA0  6SN11451BA010DA0

SIEMENS 6SE9-212-0DA40  6SE92120DA40

SIEMENS 6SE6440-2UE31-5DA1  6SE64402UE315DA1

SIEMENS 6SE3-212-7DA40  6SE32127DA40

SIEMENS 6FX1-113-4AD01  6FX11134AD01

SIEMENS 6FM1-470-4BA25  6FM14704BA25

SIEMENS 6FM1-470-4BA20  6FM14704BA20

SIEMENS 6ES7-624-1AE00-0AE3  6ES76241AE000AE3

SIEMENS 6ES7-444-1MX0-00XE0  6ES74441MX000XE0

SIEMENS 6ES7-317-2EK13-0AB0  6ES73172EK130AB0

SIEMENS 6ES5-982-1AA11  6ES59821AA11

SIEMENS 6ES5-926-3SU11  6ES59263SU11

SIEMENS 6ES5-902-3SA12  6ES59023SA12

SIEMENS 6DS1308-8AA  6DS13088AA

SIEMENS 6AV7-801-0AA00-2AC0  6AV78010AA002AC0

SIEMENS 1PH7133-2ND02-0CA0  1PH71332ND020CA0

SICK OPTIC ELECTRONIC IVC-3D21112  IVC3D21112

SEW EURODRIVE SF4DT71D4BMGHRASDX3  SF4DT71D4BMGHRAS

SANYO DENKI 65AA030TXR03  65AA030TXR03

RELIANCE ELECTRIC SA3000DC070  SA3000DC070

RELIANCE ELECTRIC B/M-805401-5R  BM8054015R

RELIANCE ELECTRIC 805401-1R  8054011R

RELIANCE ELECTRIC 805401-15  80540115

RELIANCE ELECTRIC 803456-21T  80345621T

RELIANCE ELECTRIC 50R4160  50R4160

RELIANCE ELECTRIC 45C-360  45C360

RELIANCE ELECTRIC 2EC4040  2EC4040

RELIANCE ELECTRIC 29422-V  29422V

RELIANCE ELECTRIC 1KSK06307-WQ  1KSK06307WQ

RELIANCE ELECTRIC 1KSK05412-PQ  1KSK05412PQ

RELIANCE ELECTRIC 0-52837  052837

RELIANCE ELECTRIC 0-51893-1  0518931

PERCEPTRON 9110014  9110014

PCME LTD DM-990  DM990

PACIFIC SCIENTIFIC M5HLON-00115-00  M5HLON0011500

ONE AC CORP CX4196-NG  CX4196NG

OMRON 3G3RV-A2300-AV1  3G3RVA2300AV1