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Littelfuse 1.5SMC200A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Littelfuse 1.5SMC200A
- Type
- LITTELFUSE
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- 1.5SMC200A
- Electronic Component
- 1
- Package
- DO-214AB
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.35g
- Electronic Component
- 1
- Electronic Component
- BM0174935440
- Operating Temperature
- 65℃~+150℃
- Voltage
- 274V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 190V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
产品概述：1.5SMC200A (Littelfuse)
一、引言
1.5SMC200A 是一款高性能的齐纳二极管，专为瞬态电压抑制（TVS）应用而设计，具有优异的反向电压保护性能。该产品由美国力特（Littelfuse）公司生产，采用表面贴装型（SMC）封装，广泛用于电气设备和电路中的过电压保护。
二、基础参数
1.5SMC200A 的主要电气特性如下：
- 类型：齐纳二极管
- 单向通道：1
- 反向断态电压（额定值）：171V
- 击穿电压（最小值）：190V
- 电压 - 箝位（最大值），按 Ipp 测量：274V
- 峰值脉冲电流（10/1000µs）：5.5A
- 峰值脉冲功率：1500W（1.5kW）
- 电源线路保护：无
- 工作温度范围：-55°C 至 150°C（TJ）
这些参数使得 1.5SMC200A 成为适用于各种电子设备和电路的优秀保护元件。
三、应用场景
1.5SMC200A 广泛应用于以下领域：
- 电源供应：提供稳压和保护，降低过电压对电源组件的损害风险。
- 通信设备：保护数据传输线路，防止瞬时过电压对信号造成干扰。
- 消费电子产品：如电视、音响等设备，避免由于电源波动造成的电器损坏。
- 工业自动化：保护工业控制器和传感器，确保其在严苛环境中的稳定运行。
- 汽车电子：作为汽车电气系统中的过电压保护装置，提高车辆的安全性和可靠性。
四、工作原理
当电路中的电压超过其设定的击穿电压时，1.5SMC200A 将迅速启动，提供低阻抗路径以分流过量的电流，从而钳制电压。这有效避免了由于瞬态过电压（如静电放电、雷击或其他电源突波）导致的电路损坏。
五、封装与安装
1.5SMC200A 采用具有优良热性能的 DO-214AB（SMC）封装，能够支持良好的散热和高功率处理能力。这种表面贴装型封装的设计，也便于在现代电子制造中实现自动化焊接，提升生产效率。
六、性能优势
- 高击穿电压：设计的击穿电压高达190V，使得该元件对超出正常工作范围的电压具有出色的钳制保护。
- 大峰值功率能力：1.5kW 的峰值脉冲功率容量能够承受较强的瞬态电压，确保电路的安全性。
- 宽工作温度范围：-55°C 到 150°C 的宽温度范围，使得1.5SMC200A 能够在极端环境下稳定工作，适用于多种气候条件。
- 单向通道设计：专为直流电路设计，仅限于单向电流流动，有效抑制反向电流的影响。
七、总结
1.5SMC200A 作为 Littelfuse 公司的一款性能卓越的齐纳二极管，凭借其优秀的电气特性和广泛的应用前景，可以为现代电子产品提供可靠的过电压保护。无论是在电源系统、通信设备、消费电子产品还是汽车电子领域，该元件都能够充分保障电路的安全性和稳定性。通过合理的选择和应用，1.5SMC200A 将在保护电路方面发挥不可或缺的作用。
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