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型号 功能描述 生产厂家 企业 LOGO 操作

HIGH VOLTAGE VIDEO AMPLIFIERS

DESCRIPTION The BF257, BF258 and BF259 are silicon planar epitaxial NPN transistors in Jedec TO-39 metal case. They are particularly designed for videooutput stages in CTV and MTV sets, class A audio output stages and drivers for horizontal deflection circuits.

STMICROELECTRONICS

意法半导体

QUAD 2 CHANNEL MULTIPLEXER 3-STATE

DESCRIPTION The 74VHC257 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. ■ HIGH SPEED: tPD = 3.7ns (TYP.) at VCC = 5V ■ LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C ■ HIGH NOISE I

STMICROELECTRONICS

意法半导体

WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS

DESCRIPTION These circuits are monolithic J-FET input operational amplifiers incorporating well matched, high voltage J-FET on the same chip with standard bipolar transistors. This amplifiers feature low input bias and offset currents, low input offset voltage and input offset voltage drift,coup

STMICROELECTRONICS

意法半导体

WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS

DESCRIPTION These circuits are monolithic J-FET input operational amplifiers incorporating well matched, high voltage J-FET on the same chip with standard bipolar transistors. This amplifiers feature low input bias and offset currents, low input offset voltage and input offset voltage drift,coup

STMICROELECTRONICS

意法半导体

TRISILTM

DESCRIPTION The SMTPBxx series has been designedto protect telecommunication equipment against lightning and transient induced by AC power lines. FEATURES BIDIRECTIONAL CROWBAR PROTECTION. BREAKDOWNVOLTAGE RANGE: From 62 V To 270 V. HOLDING CURRENT: IH= 150 mA min REPETITIVE PE

STMICROELECTRONICS

意法半导体

A257B产品属性

  • 类型

    描述

  • 型号

    A257B

  • 制造商

    TIME MARK CORP SIGNALINE

  • 功能描述

    Relay;SSR;Phase Monitor;SPDT;Cur-Rtg 10A;Ctrl-V 480AC;Vol-Rtg 240AC;Socket Mnt

  • 制造商

    TIME MARK CORP SIGNALINE

  • 功能描述

    Relay; SSR; Phase Monitor; SPDT; Cur-Rtg 10A; Ctrl-V 240AC; Vol-Rtg 480AC; Socke

更新时间:2026-5-22 22:58:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ST
2016+
DIP8
6678
只做原装,假一罚十,公司可开17%增值税发票!
ST
24+
SOP8
20000
全新原厂原装,进口正品现货,正规渠道可含税!!
ST
2511
SOP-8
16900
电子元器件采购降本30%!原厂直采,砍掉中间差价
SST
原厂封装
9800
原装进口公司现货假一赔百
NS/ST
专业铁帽
CAN8
67500
铁帽原装主营-可开原型号增税票
ST/意法半导体
25+
SOP-8
3876
全新原装正品支持含税
NS/国半
23+
SOP-8
5336
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、
NS
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
NS
22+
TO-39
20000
只做原装 品质保障
ST/意法
22+
5000
只做原装鄙视假货15118075546

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  • A2916-双路全桥PWM电机驱动器

    UDN2916B,UDN2916EB,并UDN2916LB电机驱动器设计用于驱动一个双极步进电机绕组或双向控制两个直流电机。这两种桥有能力维持45 V和包括内部脉冲宽度调制(PWM)控制输出电流为750毫安。输出都得到了优化低输出饱和压降(小于1.8伏总源,加上在500毫安接收器)。PWM电流控制,最大输出电流为确定用户的选择参考电压和感应电阻。选择两个逻辑电平输入输出电流限制为0,33,67,或100%的最高水平。每座桥的A相输入决定负载电流方向。桥梁包括接地夹和反激式二极管对感应瞬变保护。内部产生的延误防止交叉电流开关电流方向时。特别上电顺序不是必需的。热保护电路禁用的产出,如果芯片温度超

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