1769-PA4 买货找亿佳
1769-PA4 买货找亿佳
电源选型推荐
整个DTU系统的电源解决方案，主要考虑到不间断供电的问题，所以需要双电源供电的一个供电形式，主流的供电方式一般是有两部分组成，一部分是大功率300W或者500W的AC/DC充电电源，这个电源一般两路输出，一路给后级的板卡进行供电，一方面给后级的蓄电池或者是超级电容进行充电；另外的一部分就是蓄电池或者超级电容，这个主要是在市电断电的情况下，整个系统的正常运行。另外，电网对于EMC方面的要求比较苛刻，特别是浪涌方面，需要满足4级的要求。主电源和蓄电池都掉电时，系统掉电保持时间500mS以上。
根据上面的应用描述，我们推荐选用金升阳MBP500-2A54D54的接线式电源，它具备电池充电功能，可对48V 铅酸电池充电；工业级工作温度：-40℃～+70℃；2500VAC 隔离电压；大瞬时过功率达540W；的EMC性能；接线式安装。
另外，如果铅酸电池的电压值为24V，还可以选用金升阳公司的MBP300-2A27D27的接线式电源，可对24V的铅酸电池充电，稳态功率达到351W。
电源是电子设备必不可缺的组成部分,其性能优劣直接关系到电子设备的技术指标及能否可靠地工作。目前常用的直流稳压电源按功率管的工作方式分为线性电源和开关电源两大类。线性稳压电源亦称串联调整式稳压电源,电路技术比较成熟。具有低纹波、稳压性能等优点。但由于使用工频变压器,且调整管工作在线性放大区,因而体积大和重量大、效率低。开关电源调整管工作在频开关状态,功率损耗小,且使用小体积的频变压器替代笨重的工频变压器来实现电压变换和电网隔离。
为解决传统的PWM型变换器的上述问题,可采用谐振、准谐振、多谐振以及具软开关的PWM型变换器。这些变换器吸收、利用了PWM型变换器中的寄生参数或外加电感、电容作为谐振参数,使变换器中的功率开关在零电压或零电流下开通和关断,开关两端的电压或经过开关的电流是正弦或半正弦波形。因此大大减少开关的瞬问损耗和开关应力以及电磁干扰和射频干扰.使其工作频率可进一步提到1Mhz以上，效率达90%以上。再加上小型片状电子元器件,包括磁性材科,例如:平板型变压器等以及表面安装技术以及散热方式的改进，就使电源系列、标准化、模块化成为现实。
MKS baratron 124AA-00010BB, 10 TORR, used
MKS baratron 127AAX-000100T, 10 TORR lots of 2
MKS baratron 124AA-00010BB, 10 TORR, lots of 2
4 AMAT 3300-02640 FTG TBG NUT FEM, 1/4VCR FEMALE CAP
MKS BARATRON 122A-11063, 10 TORR, used, as is
MKS BARATRON 122B-11993, 100 TORR, used, as is
MKS BARATRON 124AA-00010BB, 10 TORR, used, as is
AMAT 3300-03452 FTG TBG RDCR 1/2T X 1T SWAGELOK 2
3 LEYBOLD DRIS DRYVAC REMOTE INDICATOR, 306838-2002
4 ALLEN BRADLEY TIGHTENING TORQUE 16LB-IN/1.8NM
APPLIED MATERIALS VALVE AIR ACTUATEO DIAPH
STEC 0.2g/min TEPO LFC LF-310A-EVD
STEC 0.2g/min TEPO LFC LF-310A-EVD, calibration sheet
STEC 4.0g/min TEOS LFC LF-410A-EVD
Swagelok SS-QC8-D-8PF, NOVELLUS 22-055169-01, QD Fiting
Novellus Swagelok SS-QC8-D-8PF QD Fiting
APPLIED MATERIALS POWER SUPPLY DC + 2KV #5KV
THERMOCOUPLE TYPE K 39 INCH VAC /39 INCH AIR KF40
SIEMENS 6EW1380-4AB01 POWER SUPPLY STROMVERSORGUNG
NIC COMPONENTS CARBON FILM FIXED RESISTORS 200 PCS
CARBON FILM RESISTOR CR-25-B 1/4 W OHM 600 PCS
Inficon Capacitance Diaphragm Gauge CDG100A , 1333.22Pa
Advanced energy 2279-002-A
AMAT In line Gas filter TEM-8711-6
SMC PSE100-A Pressure Switch controller, AMAT tool
5 WATLOW DIN-a-Mite Style A Controller AMAT 1200-01283
office connect Network Utilization HM816710
MKS Baratron 141AA-00100AAVa?cuum Pressure Switch
Osaka Turbo pump TS 443CW and Turbo Controller TD360
Leybold Quadruvac Q100 mass spectrometer, with cables
MKS HPS 919 Hot Cathode Vacuum Controller, untested
SEREN I1600 ICP Generator
AE RFPP LF-5 500 Watts RF Generator, AE 3150012
MKS 325 Moducell pressure switch, baratron 41A, 10 torr
Keyence FS-V11P Optic Sensor, Novellus 02-147639-02
AMAT 0950-90177 IC, OPO7CN Bipolar OP-Amp
Wheel Guide Rail 201-093
AMAT 0150-95891 Cable Assy Transzorb Protec
AMAT 3200-01182 Cover Map DEV Front
Connector 1/4 TBX 1/8 MNP, Male
AMAT 0050-18655 Gas Manifold, TOP LINE, HDPCVD, ULTIMA
VMT8_M0006 Toothed Rod Support, Lot of 5
AMAT 0840-90089 Diode Zener 33V 5W, Lot of 6
AMAT 0050-18654 gas manifoldline, HDPCVD, ULTIMA
Nikon Precision 4S210-406AN GAL Chip
PARKER VERIFLOW VALVE, 9444A0PLPN0SFSF?F, 48200029
AMAT 3880-01644 Washer Sealing 5/16 .301ID, Lot of 5
AMAT 0020-94228 Shim Yellow, .5mm, Lot of 2
2 Applied materials 0100-00423 GPLIS seriplex I/O Dist
MKS Signal Conditioner Model 621C11TBFHC
Aera FC-7800CD Pressure Controller, Lot of 2
UNIT Instruments Mass Flow Controller UFC-1100A
GE FANUC SERIES 90-30 PROGRAMMABLE CONTROLLER, GE PLC
vacuum chamber Flange, Cryo Turbo, Gate valve interface
vacuum chamber interface Flange, look very clean
Jennings UCS-200-15S and CVCJ-1000-3S, looks very clean
SHB INSTRUMENTS MODLE 109 SCOPE
IC Sensors 3145-050 lot's of 2
Aera FC-7800CD 24Y0494 500 SSCM He Pressure Controller
SHB INSTRUMENTS MODLE 109 SCOPE
AMAT 3080-01163 70-MXL-0.25-KEV?LAR-B-U
SWAGELOK PFA4-8-FTFX-9S-?3
MKS Pressure Controller 122BA-00100EB
Kit, IL/NIT/BWCVD, Throttle, Valve 233067803
Sensor, Hall-Effect 233315405, SO# 528397, Lot of 3
Wheel Guide Rail 201-093
AMAT 0150-95891 Cable Assy Transzorb Protec
AMAT 3200-01182 Cover Map DEV Front
Connector 1/4 TBX 1/8 MNP, Male
VMT8_M0006 Toothed Rod Support, Lot of 5
AMAT 0840-90089 Diode Zener 33V 5W, Lot of 6
Nikon Precision 4S210-406AN GAL Chip
AMAT 0020-94228 Shim Yellow, .5mm, Lot of 2
MKS Signal Conditioner Model 621C11TBFHC
Aera FC-7800CD Pressure Controller, Lot of 2
