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LRC LM3Z27VT1G
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LRC LM3Z27VT1G
- Type
- LRC
- Minimum package
- 3000
Technical parameters
- Electronic Component
- LRC
- Electronic Component
- LM3Z27VT1G
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- 0.028g
- Electronic Component
- 1
- (Zzk)
- 300Ω
- (Zzt)
- 80Ω
- Electronic Component
- BM0230024596
- Diode
- 1
- Current(Ir)
- 50nA
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 25.1V~28.9V
- 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.
LM3Z27VT1G 产品概述
一、概述
LM3Z27VT1G 是 LRC（乐山无线电）推出的独立式稳压二极管，标称稳压值 27V，实际稳压范围 25.1V~28.9V。器件采用 SOD-323 小封装，额定耗散功率 200mW，反向漏电流典型值 50nA，适用于微功耗电压稳压与参考场合。
二、主要规格亮点
- 稳压值（标称）：27V；公差范围：25.1V~28.9V，适合对电压稳定性有中等要求的应用。
- 最大耗散功率：200mW（在规定散热条件下），封装体积小，需注意功率和温升限制。
- 反向电流 Ir：50nA（典型），在高阻抗参考和漏电敏感电路中表现优异。
- 动态阻抗：Zzt = 80Ω（稳态交流阻抗），Zzk = 300Ω（低流/转折区域阻抗），反映不同工作电流下的稳压特性。
- 工作结温：-65℃ ~ +150℃，可满足宽温度范围下的应用需求。
三、典型应用场景
- 低功耗电压参考与局部稳压（如小型传感器、低速模数电路）。
- 通信设备与便携终端中的电压钳位与保护电路。
- 仪表与计量系统中作为参比源或过压限制元件。
- 需占板面积小且对漏电严格控制的便携式电子设备。
四、使用建议与注意事项
- 由于封装为 SOD-323，器件的散热能力有限，使用时应确保串联限流电阻合理选择以避免超过 200mW 的耗散极限。
- 在高温或高功耗工况下，应计算结温并进行功率降额，必要时在 PCB 上增加铜箔面积以改善散热。
- 参考 Zzt 与 Zzk 参数选择工作电流：较高电流时稳压更好但功耗更大；低电流区域阻抗增大，稳压精度下降。
- PCB 布局注意把稳压二极管靠近被保护或被稳压节点布置，减小寄生阻抗影响。
- 为保证长期可靠性，避免在超过最大结温或反向电流大幅增加的环境中长期工作。
五、封装与采购信息
器件封装：SOD-323，适合自动贴片生产与小尺寸电路板。品牌为 LRC（乐山无线电），型号标识 LM3Z27VT1G。订购时请注意批次与温漂规格，结合实际应用对稳压范围与动态阻抗进行确认。
总结：LM3Z27VT1G 以 27V 标称稳压、低漏电和小封装为主要优势，适合对体积与静态电流有较高要求的低功耗稳压与参考场合。正确的电路设计与热管理是发挥其性能并保证可靠性的关键。
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