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LRC LM3Z7V5T1G
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LRC LM3Z7V5T1G
- Type
- LRC
- Minimum package
- 3000
Technical parameters
- Electronic Component
- LRC
- Electronic Component
- LM3Z7V5T1G
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- 0.028g
- Electronic Component
- 1
- (Zzk)
- 160Ω
- (Zzt)
- 15Ω
- Electronic Component
- BM0230025583
- Diode
- 1
- Current(Ir)
- 500nA@1V
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 7V~7.9V
- Electronic Component
- 65℃~+150℃
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM3Z7V5T1G 产品概述
一、产品简介
LM3Z7V5T1G 是一款来自 LRC（乐山无线电）的独立式稳压二极管，标称稳压值为 7.5V，实际稳压范围为 7.0V ~ 7.9V。该器件采用 SOD-323 微型封装，面向空间受限的表面贴装应用，适用于微功率精密稳压与过压钳位场合。
二、主要参数
- 稳压值（标称）：7.5V
- 稳压值范围：7.0V ~ 7.9V
- 最大耗散功率 Pd：200 mW
- 反向电流 Ir：500 nA @ 1 V（典型低漏电）
- 稳态阻抗 Zzt：15 Ω（测量条件下）
- 小电流阻抗 Zzk：160 Ω
- 工作结温范围：-65 ℃ ~ +150 ℃
- 封装：SOD-323（表面贴装）
- 类型：独立式稳压二极管
三、特性与电气行为
LM3Z7V5T1G 在规定测试电流下能提供稳定的 7.5V 参考电压，低反向漏电（500 nA@1V）有助于在待机或低电流环境中维持稳定输出。Zzt 值较低，表示在工作电流范围内动态阻抗小，电压稳定性较好；Zzk 较高，表明在极低电流区间稳压特性会变差，应避免长期工作于微安级以下的条件。器件最大耗散 200 mW，需在实际应用中注意功率热管理与必要的降额。
四、应用建议
- 精密电源参考与基准源（中低功耗场合）
- 电压钳位与浪涌保护（配合限流电阻）
- 通信与便携设备的局部稳压与保护电路
- 仪表和传感器接口的过压保护
五、封装与安装注意
SOD-323 为小型表面贴装封装，适合高密度 PCB 布局。由于封装体积小，散热能力有限，建议通过拓展铜箔面积或靠近散热层的布线来改善热散逸。设计时应计算器件在最大工作电流下的功耗并留有充分热裕量，避免结温超过 +150 ℃。焊接时遵循回流曲线，避免长时间高温暴露导致性能退化。
六、可靠性与选型要点
在选型和布局时注意：若电路中可能出现较大反向电压或持续较高电流，需严格控制通过二极管的电流以免超过 200 mW 的耗散上限；对温度敏感的应用应考虑热降额；当电路要求更低的稳压容差或更高功率时，建议选择功率更高或温度系数更好的替代件。
七、订购信息
型号：LM3Z7V5T1G
品牌：LRC（乐山无线电）
封装：SOD-323
在采购前请核对生产厂家的最新数据手册以确认测试条件与典型曲线，并根据实际应用进行热设计与老化验证。
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