WMSIC Electronic Components

LRC LDTC143ZM3T5G

ModelLDTC143ZM3T5G
PackageSOT-723
BrandLRC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LDTC143ZM3T5G
Type
LRC
Minimum package
11000

Technical parameters

Electronic Component
LRC
Electronic Component
LDTC143ZM3T5G
Electronic Component
1
Package
SOT-723
Electronic Component
1 NPN
Electronic Component
Digital Transistor
Electronic Component
0.011g
Electronic Component
1
Electronic Component
BM0264354932
Operating Temperature
55℃~+150℃
Resistor
10
Resistor
4.7kΩ
Transistor Type
NPN
Power Dissipation(Pd)
600mW
Electronic Component
11000
Collector Current(Ic)
100mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

LDTC143ZM3T5G 数字晶体管产品概述

一、产品核心定位与类别

LDTC143ZM3T5G是乐山无线电(LRC)推出的预偏置NPN型数字晶体管,属于专为数字电路优化的小信号晶体管。其核心优势是内置预偏置电阻网络,无需外部额外配置偏置电路即可实现稳定直流工作点,大幅简化数字逻辑、小信号驱动等电路的设计与布线,尤其适配对电路紧凑性要求较高的应用场景。

二、关键电气参数解析

该晶体管参数经过针对性优化,匹配数字电路的小信号驱动需求,核心参数如下:

  • 集射极击穿电压(V₍ceo₎):50V,覆盖常规数字电路(如逻辑门、缓冲器)的电源电压范围,避免过压击穿风险;
  • 集电极连续电流(I₍c₎):100mA,具备足够的小负载驱动能力(可驱动小型继电器、LED指示灯等);
  • 最大耗散功率(P₍d₎):600mW,与SOT-723封装的散热能力匹配,正常工作温度下稳定可靠;
  • 直流电流增益(h₍FE₎):典型值80(测试条件:I₍c₎=5.0mA、V₍ce₎=10V),增益稳定且一致性好,适合数字信号放大与缓冲;
  • 预偏置电阻:内置输入电阻4.7kΩ、电阻比率10,确保偏置电路稳定,减少外部元件数量,降低电路复杂度。

三、封装与可靠性特性

  • 封装形式:采用SOT-723超小型表面贴装封装,尺寸紧凑(典型值1.6mm×1.0mm×0.6mm),适配高密度PCB设计,广泛用于便携电子设备;
  • 工作温度范围:-55℃~+150℃,覆盖工业级温度要求,可在极端环境(高温户外、低温存储)下稳定工作;
  • 可靠性:符合LRC严格质量管控,通过温度循环、湿度老化等可靠性测试,长期使用稳定性有保障。

四、典型应用场景

因预偏置设计和小封装优势,该晶体管适用于以下场景:

  1. 数字逻辑电路:逻辑门缓冲级、驱动级,简化偏置电路设计;
  2. 便携电子设备:智能手机、平板、智能手表的小信号控制模块(按键扫描、指示灯驱动);
  3. 消费电子:遥控器、小型家电(加湿器、智能插座)的控制电路;
  4. 工业控制小模块:传感器信号放大、微型继电器等小型执行器驱动。

五、品牌与质量保障

产品由国内知名半导体厂商乐山无线电(LRC) 生产,LRC拥有数十年晶体管研发制造经验,产品通过ISO9001、IATF16949等质量体系认证,以参数一致性好、可靠性高著称,广泛应用于国内外厂商量产产品。

总结

LDTC143ZM3T5G是一款性能稳定、设计紧凑的预偏置NPN数字晶体管,凭借内置偏置电阻、宽温范围、小封装等优势,成为数字电路、便携设备等领域的理想选择,可有效简化电路设计、降低成本并提升产品可靠性。

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