WMSIC Electronic Components

Nexperia BZX384-B68,115 BZX384

ModelBZX384-B68,115
PackageSOD-323
BrandNexperia
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

20 specifications

Core information

Product name
Nexperia BZX384-B68, 115
Type
NEXPERIA
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NEXPERIA
Electronic Component
BZX384-B68,115
Electronic Component
1
Package
SOD-323
Electronic Component
Zener Diode
Electronic Component
±2%
Electronic Component
0.032g
Electronic Component
1
(Zzt)
240Ω
Electronic Component
BM0227555875
Diode
1
Power Dissipation(Pd)
300mW
Electronic Component
66.6V~69.4V

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

BZX384-B68,115 产品概述

一、产品概述

BZX384-B68,115 是 Nexperia(安世)推出的一款高压稳压二极管,标称稳压值 68 V,属于 BZX384 系列的 SOD-323 小封装单管齐纳二极管。该器件在反向偏置时提供稳定的电压钳位能力,适用于对电压峰值或瞬变有抑制和稳压要求的微功率电路。器件额定耗散功率为 300 mW,最高结温可达 150 °C,适合空间受限且要求可靠的表面贴装应用。

二、主要参数

  • 稳压值(标称):68 V
  • 反向电流 Ir:50 nA @ 47.6 V(典型测量条件)
  • 耗散功率 Pd:300 mW(允许在无外加散热的条件下连续耗散的功率)
  • 阻抗 Zzt:240 Ω(表征在测试电流下的交流阻抗特性)
  • 封装:SOD-323,2 引脚,单管二极管
  • 最高结温:150 °C
  • 品牌:Nexperia(安世)

三、特性与优势

  • 小封装:SOD-323 提供极小的占板面积,适用于移动设备、便携式仪器和高密度 PCB 设计。
  • 低泄漏:在 47.6 V 条件下反向流水低至 50 nA,有利于低功耗或高阻抗电路保持低漏电特性。
  • 稳定钳位:标称 68 V 的稳压能力适合对中高压浪涌或工作电压进行稳压或保护。
  • 良好温度耐受:最高结温 150 °C 增强了在高温工况下的可靠性余量。
  • 低耗散功率:300 mW 适用于信号线、小功率偏置或作为参考/保护元件使用,便于与低功率电路匹配。

四、典型应用场景

  • 电源轨过压保护:在电源启动或故障时对敏感器件进行电压钳位保护。
  • 浪涌抑制:配合 RC/TVS 网络用于抑制瞬态过压。
  • 精密测量与参考电路:用于需要稳定高压参考但电流需求极低的场合(需注意阻抗与温漂)。
  • 通信设备与消费电子:用于小型便携设备电路板的局部稳压与保护。

五、使用与封装注意事项

  • 功耗与热设计:300 mW 为最大耗散,实际使用时应考虑周围元件、PCB 铜箔面积和环境温度,必要时增大散热面积或降低工作电流以避免过热。
  • 安装和焊接:SOD-323 为小型贴片封装,推荐采用回流焊工艺,遵循厂商的回流曲线;避免反复热循环和长时间高温曝露以防削弱封装可靠性。
  • PCB 布局:为改善热性能和降低寄生阻抗,可在焊盘下方或周围适当增加 PCB 铜箔面积或使用热过孔(若可行)。
  • 测试条件注意:器件阻抗 Zzt 和反向电流 Ir 受测试电流和温度影响较大,设计时应以实际工作点为准并预留裕量。

六、可靠性与选型建议

在选型时,若应用存在较大功率吸收或频繁大幅浪涌,应优先考虑更高耗散能力或专用 TVS 器件。对于需要极低漏电或更精确稳压的场合,可对温度系数与稳压点漂移进行实测,并考虑配套滤波/缓冲电路。BZX384-B68,115 适合中高压、低功耗保护与稳压应用,是在空间受限设计中对电压进行高效钳位的常用选择。若需替代或批量采购,请以 Nexperia 官方数据表为准,核实批次与封装标识以确保性能一致。

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