WMSIC Electronic Components

MDD SMF12CA

ModelSMF12CA
PackageSOD-123
BrandMDD
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MDD SMF12CA
Type
MDD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
SMF12CA
Electronic Component
1
Package
SOD-123
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.039g
Electronic Component
1
Electronic Component
BM0230522441
Operating Temperature
55℃~+150℃
Voltage
19.9V
Current(Ir)
2.5uA
Voltage(VBR)
14.7V
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.

产品概述:SMF12CA 12V 双向TVS二极管

1. 产品背景

随着电子设备的复杂性不断增加,静电放电(ESD)和浪涌电流对电子元件的安全性和稳定性造成越来越大的威胁。因此,过压保护元件的使用尤为重要。SMF12CA是一款高性能的双向瞬态电压抑制(TVS)二极管,专为保护敏感电子元件而设计,能够有效抑制突发过电压,确保电路的正常工作。

2. 主要参数

SMF12CA TVS二极管的主要参数包括:

  • 击穿电压:14.7V
  • 反向截止电压(Vrwm):12V
  • 反向漏电流(Ir):2.5µA
  • 峰值脉冲功率(Ppp):200W
  • 峰值脉冲电流(Ipp):10.1A
  • 最大钳位电压:19.9V
  • 工作温度范围:-55℃~+150℃
  • 封装类型:SOD-123FL
  • 品牌:MDD

这些参数使SMF12CA非常适合用于多种应用场景,如数据通信、消费电子、汽车电子等。

3. 工作原理

SMF12CA TVS二极管主要通过其二极管的结构来实现过压保护。当外部过压事件发生时,例如静电放电或浪涌电流,瞬态电压会迅速超过其反向击穿电压,此时TVS二极管迅速导通,将多余的电压引导至接地,从而限制通过负载的电压在安全范围内(即最大钳位电压)。在正常工作条件下,SMF12CA表现为高阻抗状态,不会影响正常信号的传输。

4. 应用场景

SMF12CA TVS二极管广泛应用于各种电子设备,尤其是在以下几个方面:

  • 数据通信接口:保护USB、HDMI、以太网接口等,以抵御ESD和浪涌电压。
  • 消费电子产品:如手机、平板、电视等,确保其在静电环境下的抗扰性。
  • 汽车电子:用于汽车的传感器、电控单元等地方,为电子系统提供额外的安全保护。
  • 工业设备:用于控制设备和工业自动化中,防止突发的电压冲击对设备造成损害。

5. 优势和特点

  • 高性能:SMF12CA具有较高的击穿电压和峰值脉冲功率,可以承受较强的冲击。
  • 低漏电流:在正常工作条件下,其反向漏电流极低,仅为2.5µA,降低了额外的能耗。
  • 宽工作温度范围:该二极管能够在-55℃到+150℃的极端环境下稳定工作,使其在各种应用场合都具备良好的适应性。
  • 小巧的封装:采用SOD-123FL封装,适合空间受限的应用,并且提供良好的散热能力。

6. 结论

总之,SMF12CA双向TVS二极管凭借其优异的电气性能和宽广的工作环境适应性,成为保护电子元件的理想选择。其在静电和浪涌保护方面的应用,能够有效提升设备的可靠性和稳定性,为电子产品的长寿命提供支持。在全球电子元器件市场日益竞争的今天,SMF12CA无疑是一款组合了高性能与经济性的过压保护元件。

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