127610-01通用交流電源模塊參詳
127610-01通用交流電源模塊參詳
127610-01通用交流電源模塊參詳
15499-146 - 2
127610-01,?125840-01 1
330750-60-RU 1
176449-02, 128229-01 1
163179-01 8
170133-090-00 4
253-1DP01 1
031-1BB30 1
032-1BB30 1
015-CEFPR01 1
050-1BA10 1
A06B-6127-H209 1
FS225R12KE3/AGDR-71C 3個
6ES7155-5AA00-0AB0
A860-0365-T101 10個
變頻單元\HTPUXX/075-AC3 REV02 1
1756-L55M13 老面價 49500 1
MVI56-MBP 1
DP通訊拓展卡 HVCOM-DP 10個
6ES7352-5AH01-0AE0 5 原裝
橫河UT32A-000-11-00 YOKOGAWA 1
6SL3330-6TE35-5AA3 1
6GK5208-0BA00-2AC2 2
通訊模塊 PLX31-EIP-MBTCP-CC 1
25C-D6P0N114 面價8280 1
6SE7024-7FD84-1HF5 1
6FC5203-0AF50-1AA0 1
YASKAWA ELECTRIC USA-MED-30MA2SE USAMED30MA2SE
YASKAWA ELECTRIC JANCD-CP02 JANCDCP02
YASKAWA ELECTRIC CIMR-P5U20550F CIMRP5U20550F
YAMATAKE 4DP7APXOA-311 4DP7APXOA311
WESTINGHOUSE HMA3600T HMA3600T
WESTINGHOUSE A200M4CACM A200M4CACM
VARTECH DISPLAY VT201P-04P-1-CS-00 VT201P04P1CS00
ULTRASONIC GENERATORS SGM3512PB-1 SGM3512PB1
THOMSON INDUSTRIES 345115546300 345115546300
TEXAS INSTRUMENTS PLC PFS-3611 PFS3611
TAYLOR ELECTRONICS 6024BP10300C 6024BP10300C
TA INSTRUMENTS 931001.901 931001901
STROMBERG SAFUS75F400 SAFUS75F400
SQUARE D TVS-2EMA24AIC TVS2EMA24AIC
SQUARE D S174A S174A
SQUARE D ME36800LS1021 ME36800LS1021
SQUARE D 8538-SFG13V81AFF4T 8538SFG13V81AFF4
SMC PFWM-8-3R-X31 PFWM83RX31
SIEMENS 6SE9-221-0DC40 6SE92210DC40
SIEMENS 6SE7-031-7EE85-1AA0 6SE70317EE851AA0
SIEMENS 6SE7-024-7TD51-1AA0 6SE70247TD511AA0
SIEMENS 6SE7-022-7EP70 6SE70227EP70
SIEMENS 6SE6-430-2UD33-7EA0 6SE64302UD337EA0
SIEMENS 6ES7-470-1VB10 6ES74701VB10
SIEMENS 6ES7-416-3XL00-0AB0 6ES74163XL000AB0
SIEMENS 6ES5-947-3UA21 6ES59473UA21
SIEMENS 6ES5-921-3WB15 6ES59213WB15
SIEMENS 6ES5-243-1BA11 6ES52431BA11
SIEMENS 6DS1-200-8AB 6DS12008AB
SIEMENS 6AV7-802-0BA02-1AC0 6AV78020BA021AC0
SIEMENS 6AV3-627-1QL00-0AX0 6AV36271QL000AX0
SEW EURODRIVE MDV60A-0220-503-4-0T MDV60A022050340T
SCHWEITZER ENGINEERING 0311L0HCC3252XX 0311L0HCC3252XX
SCHWEITZER ENGINEERING 0311L05CC3254XX 0311L05CC3254XX
ROFIN SINAR 120100366 120100366
REXROTH 0-608-830-093 0608830093
RELIANCE ELECTRIC DM-150 DM150
RELIANCE ELECTRIC 86466-84W 8646684W
RELIANCE ELECTRIC 805405-5R 8054055R
RELIANCE ELECTRIC 803602-SE 803602SE
RELIANCE ELECTRIC 615055-1V 6150551V
RELIANCE ELECTRIC 57C-330-C 57C330C
RELIANCE ELECTRIC 45C-410 45C410
RELIANCE ELECTRIC 45C-340 45C340
PSC INC 1803011-2 18030112
POLYSONICS SX40 SX40
OVATION D920801G17 D920801G17
OVATION D920801G16 D920801G16
OVATION D920801G15 D920801G15
OVATION D920801G13 D920801G13
OVATION D920801G12 D920801G12
OVATION D920801G11 D920801G11
OVATION D920801G10 D920801G10
OVATION D920801G08 D920801G08
OVATION D920801G07 D920801G07
ORMEC MAC-A055D/K1A MACA055DK1A
OPTEK C4202 C4202
OKUMA 1006-1262-91-004 1006126291004
通信業的迅速發展*大的推動了通信電源的發展。高頻小型化的開關電源及其技術已成為現代通信供電係統的主流。在通信領域中,通常將整流器稱為一次電源,而將直流-直流(DC/DC)變換器稱為二次電源。一次電源的作用是將單相或三相交流電網變換成標稱值為48V的直流電源。當前在程控交換機用的一次電源中,傳統的相控式穩壓電源己被高頻開關電源取代,高頻開關電源(也稱為開關型整流器SMR)通過MOSFET或IGBT的高頻工作,開關頻率一般控制在50-100kHz範圍內,實現*效率和小型化。近幾年,開關整流器的功率容量不斷擴大,單機容量己從48V/12.5A、48V/20A擴大到48V/200A、48V/400A。
開關電源(4張)
因通信設備中所用集成電路的種類繁多,其電源電壓也各不相同,在通信供電係統中採用高功率密度的高頻DC-DC隔離電源模塊,從中間母線電壓(一般為48V直流)變換成所需的各種直流電壓,這樣可大大減小損耗、方便維護,且安裝、增加非常方便。一般都可直接裝在標準控制板上,對二次電源的要求是高功率密度。因通信容量的不斷增加,通信電源容量也將不斷增加。