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DOWO MM1Z15
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO MM1Z15
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- MM1Z15
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.034g
- Electronic Component
- 1
- (Zzk)
- 200Ω
- (Zzt)
- 30Ω
- Electronic Component
- BM0264801966
- Diode
- 1
- Current(Ir)
- 100nA
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 13.8V~15.6V
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MM1Z15 (DOWO) — 15V 500mW SOD-123 稳压二极管 产品概述
一、产品简介
MM1Z15 为 DOWO（东沃）品牌的独立式稳压二极管，标称稳压值 15V，封装为 SOD-123 小型表面贴装封装。该器件设计用于提供低电流下的稳压参考与钳位保护，具有低齐纳阻抗、高稳定性与高可靠性，适合便携与空间受限的电子设备中作为简单的稳压或保护元件。
二、主要电气参数（典型/最大）
- 稳压值（标称）：15V
- 稳压值范围：13.8V ~ 15.6V
- 反向电流 Ir：100 nA（规格项，实际受温度与电压影响）
- 最大耗散功率 Pd：500 mW（器件在良好散热条件下的最大耗散）
- 阻抗 Zzt：30 Ω（在标称工作条件下的小信号齐纳阻抗）
- 阻抗 Zzk：200 Ω（低电流拐点处的动态阻抗）
- 二极管配置：1 个独立式
注：以上参数为器件典型规格，应结合数据手册中给出的测试条件和曲线进行精确设计。
三、特性亮点
- 低齐纳阻抗，有利于提高稳压精度及降低输出噪声。
- 500 mW 的功率耗散能力，适合低功率稳压与瞬态能量吸收。
- 结构稳定、工艺可靠，适合长期工作于常温环境。
- SOD-123 表贴封装，便于自动贴装与小尺寸电路板设计。
四、典型应用场景
- 低功耗电路的简易 15V 参考源或基准钳位。
- 输入过压保护与尖峰钳位（配合限流电阻）。
- 信号线/接口的电压钳制与浪涌抑制。
- 仪表、传感器前端的保护与电压偏置。
五、安装与热管理建议
- SOD-123 为小型表面贴装封装，焊接时注意贴片方向与焊接温度曲线，避免过热。
- 由于最大耗散功率为 500 mW，实际使用中应避免长期在 Pd 极限工况下工作；必要时通过串联限流电阻、增加铜箔散热或将器件分布在良好散热区来降低结温。
- 在高环境温度或受限散热的 PCB 布局中，应进行功耗与结温计算并适当降额使用。
六、选型与使用要点
- 在做稳压或钳位设计时，优先根据负载电流选择合适的串联电阻，以确保齐纳二极管在其合理的工作电流区间内工作，从而实现额定稳压与较低噪声。
- 注意反向漏电 Ir 随温度上升而增加，在高温或极低电流场合可能影响精度；如需高精度参考，应选用更精确的稳压源或温度补偿方案。
- 检查稳压值范围（13.8V~15.6V），确认该容差满足系统需求，否则考虑配合后端调节电路或选择更精确等级器件。
七、可靠性与品质控制
DOWO（东沃）品牌的 MM1Z15 强调工艺一致性与可靠性，适合大批量表贴生产。推荐在样机阶段进行温度循环、老化与瞬态冲击测试，以验证在目标应用环境下的长期稳定性。
若需器件数据手册、封装尺寸或大量采购信息，请联系供应商获取完整数据表与认证资料。
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