WMSIC Electronic Components

PANJIT 1N4148W-AU_R1_000A1 1N4148W

Model1N4148W-AU_R1_000A1
PackageSOD-123
BrandPANJIT
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT 1N4148W-AU_R1_000A1
Type
PANJIT
Minimum package
3000

Technical parameters

Electronic Component
PANJIT
Electronic Component
1N4148W-AU_R1_000A1
Electronic Component
1
Package
SOD-123
Electronic Component
Switch Diode
Electronic Component
0.026g
Electronic Component
1
Electronic Component
BM0264221734
Current
200mA
Diode
1
Current(Ir)
2.5uA@75V
(Vf)
1.25V@150mA
Power Dissipation(Pd)
410mW
Electronic Component
55℃~+150℃
Electronic Component
3000
Voltage Rating(Vr)
75V

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

PANJIT 1N4148W-AU_R1_000A1 开关二极管产品概述

一、产品基本定位

PANJIT 1N4148W-AU_R1_000A1是一款高速表面贴装开关二极管,属于经典1N4148系列的优化衍生型号,由全球知名半导体厂商强茂(PANJIT)研发生产。该器件以紧凑的SOD-123封装为核心,兼顾高速开关特性、宽电压裕量与工业级可靠性,适配消费电子、通信、工业控制等多领域的小型化、高频电路需求,是替代传统插件1N4148的理想选择。

二、核心电性能参数详解

该器件的电性能参数经过针对性优化,平衡了开关效率与应用可靠性,关键参数及应用意义如下:

1. 开关核心参数

  • 反向恢复时间(Trr):4ns
    极短的恢复时间是高速开关二极管的核心优势——器件可在4ns内从导通状态快速切换至截止状态,大幅降低高频切换时的开关损耗与信号失真,适配百兆级以上的射频、逻辑电路。
  • 正向压降(Vf):1.25V@150mA
    典型工作电流下的导通压降稳定,既避免了过高压降导致的功率损耗,又保证了低电压电路(如3.3V/5V系统)的信号完整性。

2. 耐压与电流特性

  • 直流反向耐压(Vr):75V
    相比传统1N4148的50V反向耐压,裕量提升40%,可覆盖更多中低压应用场景(如12V~48V电源系统),降低反向击穿风险。
  • 持续整流电流(IF):200mA
    满足一般小功率整流、续流需求,支持常见信号电路的电流承载(如传感器信号调理、低功耗电源)。
  • 非重复浪涌电流(Ifsm):4A
    具备抗突发脉冲干扰能力,可抵御电路中的瞬时过流冲击(如电源上电瞬间、电磁干扰脉冲),提升器件耐用性。

3. 可靠性与环境适应性

  • 反向漏电流(Ir):2.5μA@75V
    反向截止状态下漏电流极小,有效抑制噪声干扰,提升射频、音频等敏感电路的信噪比。
  • 工作结温范围:-55℃~+150℃
    宽温度区间覆盖工业级环境(如户外设备、车载辅助电路),适应极端温度下的稳定工作。
  • 最大耗散功率(Pd):410mW
    明确的功耗限制,指导电路设计时的功率预算,避免器件过热失效。

三、封装与可靠性设计

采用SOD-123表面贴装封装,具有以下优势:

  1. 小型化布局
    封装尺寸紧凑(典型规格:长2.0mm×宽1.2mm×高1.0mm),适合高密度PCB设计,满足智能手机、可穿戴设备等便携产品的空间需求。

  2. 自动化兼容
    符合SMT(表面贴装技术)标准,支持高速贴装生产线,提升批量生产效率,降低制造成本。

  3. 热与环保特性

    • 封装结构优化热传导路径,可快速将工作热量传递至PCB,保证结温在额定范围内;
    • 符合RoHS与REACH标准,无铅焊接兼容,适配绿色电子产品设计趋势。
  4. 可靠性测试
    经过温度循环(-55℃~+150℃)、湿度老化(85℃/85%RH)、电应力测试等严格验证,保证批量应用中的一致性与稳定性。

四、典型应用场景

结合器件特性,该二极管主要应用于以下场景:

  1. 高频信号切换
    通信基站射频信号切换、高速逻辑电路(FPGA/MCU)门控开关,利用4ns恢复时间实现低失真切换。

  2. 小功率整流与检波
    低电压电源(5V/3.3V)整流、AM/FM收音机检波电路,适配小电流、低功耗需求。

  3. 续流保护
    开关电源(AC-DC小功率电源)、小型电机驱动电路的续流二极管,保护开关管免受反向电动势冲击。

  4. 脉冲整形与定时
    脉冲电路波形整形、RC定时电路充放电控制,借助快速开关特性实现精准定时。

  5. 工业控制与传感器
    PLC输入输出接口、温度/压力传感器信号调理电路,宽温范围适应工业现场环境。

五、品牌与质量保障

PANJIT(强茂)作为全球分立器件领域的主流厂商,拥有30余年制造经验,产品通过ISO 9001、IATF 16949等质量体系认证。1N4148W-AU_R1_000A1采用成熟工艺生产,批量供货稳定性高,同时提供完善的技术支持(如电路设计优化、失效分析),降低客户项目风险。

综上,该器件以高速开关、宽电压裕量、小型化封装为核心优势,是中低端高频电路、小型化设备的高性价比选择。

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