WMSIC Electronic Components

Brightking SMBJ28A

ModelSMBJ28A
PackageSMB(DO-214AA)
BrandBrightking
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SMBJ28A
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMBJ28A
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.203g
Electronic Component
1
Electronic Component
BM0095742941
Operating Temperature
55℃~+150℃
Voltage
45.4V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
34.4V

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:SMBJ28A TVS二极管

一、产品简介

SMBJ28A是一款单向TVS(瞬态电压抑制)二极管,广泛应用于电路保护领域。该器件采用SMB(DO-214AA)封装,具有较好的热性能和电气特性,致力于保护敏感电子设备免受瞬态电压尖峰的影响。其额定击穿电压为28V,适合在需要瞬态电压保护的各种应用场景中使用。

二、主要特点

  1. 优良的瞬态响应: SMBJ28A能够快速响应电压尖涌,通常在纳秒级别内激活,以保护后端电路,减少设备损坏的风险。

  2. 高耐压能力: 该产品的最大工作电压(VWM)为28V,适合用于各种信号电流和数据传输线路,能够承受典型的电浪和EFT(电场脉冲干扰)。

  3. 小型化封装: 采用SMB(DO-214AA)封装,体积小但电流承载能力较强,适合高密度电路板应用,减小了整体系统的空间需求。

  4. 单向抑制特性: 作为单向TVS二极管,SMBJ28A在正向电压下阻断电流,只有当输入电压超过其击穿电压时才会导通,这一特性有助于避免反向电流对电路的影响。

  5. 高度稳定性与可靠性: SMBJ28A具备良好的温度稳定性,可以在宽广的工作温度范围内保持性能稳定,确保设备在复杂环境中的可靠工作。

三、应用场景

SMBJ28A广泛应用于多个行业,尤其是在电子设备、电信设备、消费电子、汽车电子等领域。

  1. 电源保护: 在电子设备的电源输入端,使用SMBJ28A可以有效抑制过电压事件带来的伤害,保护开关电源和其它敏感电源电路。

  2. 通信线路保护: 在数据传输线路中,瞬态电压可能导致数据丢失或设备故障,SMBJ28A可用于电话、传真机、和数据通信设备的保护。

  3. 消费电子产品: 在电视、计算机及其周边设备中,SMBJ28A能够保护IC芯片和电路板免受高电压瞬变的影响,从而提高设备的耐用性和可靠性。

  4. 汽车电子: 随着汽车电子技术的不断进步,SMBJ28A也被广泛应用于电动汽车、车载娱乐系统和电子控制单元(ECU)的电压保护。

四、技术参数

  • 击穿电压(VBR): 28V(标准值)
  • 最大反向漏电流(IR): 1mA at VBR
  • 峰值脉冲功率(Ppp): 600W(典型值,仅适用1ms的脉冲)
  • 封装类型: SMB(DO-214AA)
  • 工作温度范围(TJ): -55°C 至 +150°C

五、使用建议

在设计电路时,选择合适的TVS二极管十分重要。应根据具体的应用电压、频率和环境条件来选择合适的SMBJ28A,以充分发挥它的保护作用。同时,需要注意选择适当的电路布局设计,以确保瞬态电压抑制器的有效性和系统的整体正常运行。

六、总结

SMBJ28A TVS二极管是现代电子设备中不可或缺的重要保护元件,其高效的电压抑制特性和可靠的性能使其在各类应用中得到广泛采用。无论是在电源保护、信号线路保护,还是在严苛环境下的汽车电子产品中,SMBJ28A都有着出色的表现。通过合理选择与应用SMBJ28A,工程师们可以显著提升电子设备的安全性和可靠性,保障系统的正常运行。

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