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Brightking SMBJ54A/TR13 SMBJ54A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMBJ54A / TR13
- Type
- BRIGHTKING
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- SMBJ54A/TR13
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.218g
- Electronic Component
- 1
- Electronic Component
- BM0264881720
- Operating Temperature
- 65℃~+150℃
- Voltage
- 87.1V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 60V
- 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.
SMBJ54A/TR13 产品概述
SMBJ54A/TR13 是 Brightking（台湾君耀）推出的表面贴装单向瞬态抑制二极管（TVS），采用 SMB（DO-214AA）低外形封装，专为在有限电路板空间内提供高效浪涌和瞬态保护而设计。器件具有高峰值脉冲功率能力与低漏电流特性，适合保护 DC 电源、I/O 接口以及各种 AC/DC 电源输入端的过压瞬变。
一、主要电气参数
- 极性：单向（在正常工作时为反向偏置）
- 反向截止电压 Vrwm：54 V
- 击穿电压 VBR：60 V
- 钳位电压 Vc（Ipp 下）：87.1 V
- 峰值脉冲电流 Ipp：6.9 A
- 峰值脉冲功率 Ppp（10/1000 µs）：600 W
- 反向静态电流 Ir：≤ 1 µA
- 工作温度范围：-65 ℃ ～ +150 ℃
二、结构与封装特点
SMBJ 封装为低外形、低电感的 SMD 形式，适合自动贴装与回流焊工艺。器件采用玻璃钝化结工艺，并内置应力消除结构，有利于提升长期的热机械可靠性及抗冲击性能。低感抗和紧凑封装使其对高速信号线和高频电路的影响最小。
三、性能优势与应用场景
- 出色的钳位能力：在脉冲能量注入时能将电压限制在安全范围，保护后端元件不受破坏。
- 低漏电流：适合需要低静态功耗的电源与接口电路。
- 宽温度范围：满足工业级及严苛环境的可靠性要求。
- 典型应用：DC 电源轨保护、AC/DC 电源输入端、通信与数据 I/O 端口、以太网端口、电源适配器及其他需要抑制雷击、浪涌或开关瞬变的场合。
四、典型使用建议
- 连接方式：单向器件在正常工作状态下为反向偏置，建议将阴极（管体带标记端）接向信号/电源线，阳极接地；在发生正向瞬变时迅速导通并钳位。
- 布局注意：尽量将 TVS 器件置于被保护端口的近旁，保持与被保护线之间走线最短、最粗，以降低串联阻抗和提升响应速度；若用于电源轨，注意散热与铜箔面积以帮助能量耗散。
- 脉冲循环与能量限值：虽然器件拥有600 W 峰值能量能力，但应避免频繁在额定脉冲条件下重复击发，必要时采取级联或更高能量器件进行保护。
- 焊接与可靠性：适用于常规 SMT 回流焊流程；为保证长期可靠性，遵循厂商推荐的焊接温度曲线与储存条件。
五、选型与替代考量
当系统要求更低夹断电压或更高脉冲电流能力时，可考虑更高功率等级或并联/级联保护方案；若漏电流是关键参数，请在实际温度条件下评估 Ir。SMBJ54A/TR13 凭借 54 V 的 Vrwm 与 600 W 的瞬态功率，适合中高压直流及工业控制、通信电源保护的常见需求。
总结：SMBJ54A/TR13 提供了高能量吸收、低漏电及可靠的封装特性，是在空间受限且需对 DC 电源与 I/O 端实施稳健瞬态抑制时的理想选择。
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