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LR745价格
参考价格：￥2.7088
型号：LR745N3-G 品牌：Supertex 备注：这里有LR745多少钱，2025年最近7天走势，今日出价，今日竞价，LR745批发/采购报价，LR745行情走势销售排行榜，LR745报价。| 型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
LR745 | High Input Voltage SMPS Start-up Circuit General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc |  |   |
LR745 | High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | |
LR745 | High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 |  | |
LR745 | High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | |
High Input Voltage SMPS Start-up Circuit General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | | |
High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | | |
High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | | |
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
High Input Voltage SMPS Start-up Circuit General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | | |
High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | | |
High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX Supertex, Inc | | | |
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
封装/外壳：TO-226-3，TO-92-3 标准主体（!--TO-226AA） 包装：托盘 描述：IC CTRLR PWM SMPS TO92-3 集成电路（IC） 电源管理 - 专用 | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
封装/外壳：TO-226-3，TO-92-3（TO-226AA）成形引线 包装：托盘 描述：IC CTRLR PWM SMPS TO92-3 集成电路（IC） 电源管理 - 专用 | MicrochipMicrochip Technology 微芯科技微芯科技股份有限公司 | | | |
745 Series Pressfit Card Edge Connector | Black | 0.100 (2.54mm) | 0.200 (5.08mm) Row Spacing Features .100 (2.54mm) Contact spacing x .200 (5.08mm) row spacing Accepts .062 (1.57mm) nominal thickness P.C. board High profile insulator body, .645(16.38) with notched ends Option Contact termination options include P.C. tail, and .025 (0.64mm) square wire wrap Press-Fit compliant section | EDACEDAC, All Rights Reserved. 亚得电子亚得电子（东莞）有限公司 |  | | |
Ultralow Noise, High Speed, BiFET Op Amp PRODUCT DESCRIPTION The AD745 is an ultralow noise, high-speed, FET input operational amplifier. It offers both the ultralow voltage noise and high speed generally associated with bipolar input op amps and the very low input currents of FET input devices. Its 20 MHz bandwidth and 12.5 V/µs slew r | ADAnalog Devices 亚德诺亚德诺半导体技术有限公司 |  | | |
Ultralow Noise, High Speed, BiFET Op Amp PRODUCT DESCRIPTION The AD745 is an ultralow noise, high-speed, FET input operational amplifier. It offers both the ultralow voltage noise and high speed generally associated with bipolar input op amps and the very low input currents of FET input devices. Its 20 MHz bandwidth and 12.5 V/µs slew r | ADAnalog Devices 亚德诺亚德诺半导体技术有限公司 | | | |
GROMMETS , BUSHINGS 文件：362.45 Kbytes Page：1 Pages | etc2List of Unclassifed Manufacturers etc未分类制造商etc2未分类制造商 |  | | |
AC RECEPTACLES 文件：76.59 Kbytes Page：1 Pages | QUALTEK Qualtek Electronics Corporation |  | |
LR745产品属性
- 类型
描述
- 型号
LR745
- 制造商
SUPERTEX
- 制造商全称
SUPERTEX
- 功能描述
High Input Voltage SMPS Start-up Circuit
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
Microchip |
22+ |
TO923 |
9000 |
原厂渠道,现货配单 |
|||
Microchip |
24+ |
10000 |
全新原厂原装，进口正品现货，正规渠道可含税！！ |
||||
MICROCHIP/微芯 |
23+ |
TO-226-3 |
13000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
|||
SUPER |
ROHS |
13352 |
一级代理 原装正品假一罚十价格优势长期供货 |
||||
MICROCHIP/微芯 |
24+ |
SOT-89-3 |
860000 |
明嘉莱只做原装正品现货 |
|||
SUPERTEX |
24+ |
TO-92 |
4820 |
只做原装正品 |
|||
Microchip Technology |
25+ |
TO-226-3 TO-92-3 标准主体(!- |
9350 |
独立分销商 公司只做原装 诚心经营 免费试样正品保证 |
|||
Microchip(微芯) |
2511 |
TO-92 |
8790 |
电子元器件采购降本 30%!盈慧通原厂直采,砍掉中间差价 |
|||
SUPERTEX |
24+ |
TO-92 |
5000 |
全新原装正品,现货销售 |
|||
MICROCHIP/微芯 |
24+ |
TO-226-3 |
7671 |
原装正品.优势专营 |
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LR745规格书下载地址
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LR745数据表相关新闻
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2021-10-20LR745-高输入电压开关电源启动电路
一般描述 Supertex公司LR7的是一个高输入电压开关电源启动电路。该LR7非常适合使用低与行业标准电压型PWM集成电路具有13.9V到18.8V启动阈值。这使PWM IC能够从经营或纠正120伏240V交流线路，并消除了经常使用的功率电阻用于这一目的。该LR7内部电路允许PWM IC的工作在他们的启动阈值低于VCC电压 电压启动后。辅助电压可以比少启动阈值电压，这对于提高效率允许。从高电压线电流仅绘制在启动时期。启动后，内部高压线路断开从IC从而减少了连续功率耗散降至最低。... 特点 到450V25V的工作输入电压范
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