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GOODWORK SMBJ36A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK SMBJ36A
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- SMBJ36A
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.18g
- Electronic Component
- 1
- Electronic Component
- BM0229305763
- Operating Temperature
- 55℃~+150℃
- Voltage
- 58.1V
- Current(Ir)
- 5uA
- Voltage(VBR)
- 40V
- 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.
SMBJ36A 产品概述
一、产品简介
SMBJ36A 是 GOODWORK（固得沃克）出品的一款单向 TVS（瞬态电压抑制器）整流器，封装为 SMB（DO-214AA）。它用于对静电放电（ESD）和浪涌（Surge）冲击提供快速钳位保护，适合各种开关电源、通信接口及车载/工业电子系统的瞬态抑制需求。
二、电气参数要点
- 类型：TVS（单向）
- 反向截止电压 Vrwm：36 V
- 击穿电压 Vbr：40 V
- 钳位电压 Vc（在 Ipp 条件下）：58.1 V
- 峰值脉冲功率 Ppp：600 W
- 峰值脉冲电流 Ipp：10.3 A
- 反向电流 Ir：5 μA
- 工作结温范围（Tj）：-55 ℃ ~ +150 ℃
- 封装：SMB（DO-214AA）
以上参数为器件典型规格，具体在不同测试波形和脉冲宽度下会有偏差，详见厂家数据手册。
三、工作与保护原理
SMBJ36A 在正常工作时表现为高阻状态，反向漏电小（Ir≈5 μA）。当有过压瞬态到来且电压超过击穿点（≈40 V）时，器件进入雪崩区并迅速导通，将瞬时能量钳位到约58.1 V（在指定 Ipp 条件下），从而把冲击电流引入接地或返回电源，保护下游电路不受高压损害。单向器件在正向（相当于二极管正向）也能导通，需关注系统极性配置。
四、封装与热管理
SMB（DO-214AA）为表面贴装中等功率封装，适合自动贴装与回流焊。尽管峰值功率可达600 W，但能量吸收与温升受脉冲波形、重复率及 PCB 散热影响较大。设计时应：
- 将 TVS 尽量靠近被保护的连接器或器件放置，缩短引线长度；
- 为器件提供合适的铜箔散热面积（尤其是接地焊盘）；
- 考虑脉冲重复率与环境温度对额定能力的降额。
五、典型应用场景
- 开关电源输入/输出端浪涌保护
- 串行通信接口与数据线（USB、RS-485 等）防护（需按线数匹配）
- 工业控制设备与仪表的防雷击、浪涌抑制
- 车载电子模块对瞬态过压的保护（符合温度范围）
六、选型与注意事项
- 反向工作电压 Vrwm（36V）应高于系统最大连续工作电压，留有安全裕量；
- 钳位电压（58.1V）需低于被保护电路可承受的最高电压等级；
- 对于极低功耗或严格漏电需求的系统，注意 Ir（5 μA）对静态功耗的影响；
- 若应用需双向保护，应选用双向 TVS 或两只单向器件背靠背配置；
- 关注测试条件（脉冲波形、持续时间）与实际工况是否匹配，必要时参考 GOODWORK 数据手册或进行实测验证。
七、订购与检测建议
购买时确认 GOODWORK 正品型号 SMBJ36A、封装为 SMB（DO-214AA）。到货后建议进行简单的静态电气测试（正/反向漏电、击穿电压范围）及焊接可靠性检查，关键应用场景下可做实际浪涌试验验证防护性能。
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