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Brightking SMAJ170A/TR13 SMAJ170A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMAJ170A / TR13
- Type
- BRIGHTKING
- Minimum package
- 5000
Technical parameters
- Electronic Component
- Brightking
- Electronic Component
- SMAJ170A/TR13
- Electronic Component
- 1
- Package
- SMA
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.124g
- Electronic Component
- 1
- Electronic Component
- BM0257694882
- Operating Temperature
- 65℃~+150℃
- Voltage
- 275V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 189V
- Electronic Component
- 5000
- Power(Ppp)
- 400W
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ170A/TR13 产品概述
一、产品简介
SMAJ170A/TR13 是台湾君耀（Brightking）出品的一款单向高压瞬态电压抑制二极管（TVS），采用 SMA（DO-214AC）表面贴装封装，专为高压直流或含高压脉冲的电路提供瞬态浪涌保护。/TR13 表示盘带（Tape & Reel）包装，适用于SMT自动化贴片生产线。
二、主要特性
- 极性：单向，适合直流母线与单向脉冲场合。
- 反向截止电压 Vrwm：170 V（建议在不超过此电压下长期工作）。
- 击穿电压 Vbr：约 189 V（典型值，按数据表测定条件）。
- 钳位电压 Vc：275 V（在指定脉冲条件下的峰值钳位）。
- 峰值脉冲电流 Ipp：1.5 A。
- 峰值脉冲功率 Ppp：400 W（参考标准脉冲条件，具体试验波形见厂方数据表）。
- 反向电流 Ir：约 1 μA（在 Vrwm 条件下）。
- 工作结温度范围：-65 ℃ 至 +150 ℃。
三、电气参数说明
Vrwm（反向截止）为器件在稳态条件下承受的最大反向电压；选型时应保证电路正常工作电压低于此值并留有裕量。Vbr（击穿）是器件从高阻态进入雪崩导通的电压区间，Vbr 与 Vrwm 通常有一定差值以保证保护动作可靠。Vc（钳位）表示在浪涌时电压被钳制到的峰值，决定被保护设备所承受的最大冲击电压。厂方给出的 Ipp 与 Ppp 为瞬态能力参考，实际能量吸收能力依赖于脉冲波形和重复率。
四、典型应用
- 工业控制与自动化电源母线保护（高压直流母线防护）。
- 通信设备与基站电源防雷浪涌保护。
- 电机驱动、继电器驱动电路的输入端浪涌吸收。
- 逆变器辅助电路、太阳能逆变/采集模块的瞬态保护场合。
五、封装与可靠性建议
SMA 封装体积小、散热通道有限，布局时应尽量缩短输入到器件的导线长度以降低寄生感抗。建议在靠近被保护端口处放置并配合合适的熔断器或串联限流元件，以应对超规格脉冲或重复冲击。/TR13 盘带包装利于贴片生产，储存和回流焊工艺请遵循厂方回流曲线与封装潮湿敏感等级说明。
六、选型与使用建议
- 选型原则：Vrwm ≥ 正常工作电压且留有 10%~30% 余量；钳位电压需低于被保护件能承受的最大电压。
- 对于频繁或高能量脉冲场合，考虑并联功率更高型号或增加外部串联限流元件。
- 在量产应用前，建议参考 Brightking 官方数据表的典型试验波形（如 10/1000 μs、8/20 μs 等）进行工程验证。
SMAJ170A/TR13 以其高电压耐受、较低泄漏电流及紧凑的 SMA 封装，适合需要在有限空间内对高压直流或单向浪涌进行可靠保护的工程应用。若需更详细的电气曲线与可靠性试验数据，请索取 Brightking 官方规格书。
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