WMSIC Electronic Components

ON 1SMA5942BT3G

ON 1SMA5942BT3G
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Product image

Model1SMA5942BT3G
PackageSMA
BrandON
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 Electronic Component

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Technical data

Product details

20 specifications

Core information

Product name
ON 1SMA5942BT3G
Type
ON
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ON
Electronic Component
1SMA5942BT3G
Electronic Component
1
Package
SMA
Electronic Component
Zener Diode
Electronic Component
0.125g
Electronic Component
1
(Zzk)
1.1kΩ
(Zzt)
70Ω
Electronic Component
BM0257642161
Diode
1
Power Dissipation(Pd)
500mW
Electronic Component
48.45V~53.55V

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：SMA5942BT3G

基本信息

SMA5942BT3G 是由安森美半导体（ON Semiconductor）生产的一款高性能稳压二极管。该器件采用表面贴装型（SMD）封装，设计用于各种电子电路中的电压钳位和稳压应用。其标称齐纳电压为51V，适用于过电压保护、稳压电源和信号线路的保护等应用场景。

封装与规格

SMA5942BT3G 采用 SMA (DO-214AC) 封装，具有紧凑且易于焊接的特点，特别适合于表面贴装技术（SMT）。其封装尺寸小，能够有效节省电路板空间，同时保留良好的散热性能，确保器件在高功率条件下的稳定性和可靠性。

工作参数

该稳压二极管的工作温度范围广泛，从 -65°C 到 150°C，适应各种恶劣的工作环境。器件的最大功耗为 1.5W，能够承受相对较大的功率负荷，确保在高温和高电压条件下正常工作。此外，器件的电容为 ±5%，可确保其性能在规定范围内波动。

电压与电流特性

SMA5942BT3G 的齐纳电压（Vz）为 51V，允许的工作电压范围在 48.45V 到 53.55V 之间。其反向泄漏电流在 38.8V 时可低至 500nA，这一特性使得该器件在不工作状态下对电路的影响微乎其微，从而提高了电路的整体效率。

在正向导通状态下，当 If 为 200mA 时，正向电压降为 1.5V，这显示出该器件良好的导通特性，非常适合于电流大的应用场合。这种低正向电压的特性，意味着在高电流条件下，二极管的功耗较低，有助于整个电路的能效提升。

应用领域

SMA5942BT3G 主要应用于以下几个领域：

  1. 电源管理：在开关电源、线性稳压器等电源管理电路中，提供稳定的电压输出以保护下游电路。

  2. 过电压保护：用于防止瞬态电压尖峰对敏感电子元件的影响，保护电路不受损坏。

  3. 信号线路保护：在数据传输线路中提供电压限制，确保信号的稳定性，防止因为电压过高导致数据损失。

  4. 汽车电子：广泛应用于汽车电子领域，特别是对于汽车的电子控制单元（ECU）和传感器的保护。

总结

总的来说，SMA5942BT3G 是一款性能优越的稳压二极管，凭借其广泛的工作温度范围、低反向泄漏电流和卓越的电压特性，成为多种电源管理和保护应用的理想选择。安森美半导体通过其出色的设计与品质，确保该器件能够满足当今高标准电子设备的需求。无论是在工业、消费电子还是汽车电子领域，SMA5942BT3G 都展现出良好的性能与可靠性，适合多种复杂应用的需求。

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