Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Brightking SMCJ30A/TR13 SMCJ30A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMCJ30A / TR13
- Type
- BRIGHTKING
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- SMCJ30A/TR13
- Electronic Component
- 1
- Package
- SMC(DO-214AB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.371g
- Electronic Component
- 1
- Electronic Component
- BM0257689064
- Voltage
- 48.4V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 33.3V
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMCJ30A/TR13 产品概述
一、产品简介
SMCJ30A/TR13 是台湾君耀（Brightking）出品的一款单向瞬态电压抑制器（TVS），封装为 SMC（DO-214AB）。该器件专为抑制瞬态浪涌和过压事件而设计，适用于工业、电源、通信与车辆电子等需要保护 24V/30V 级电源系统的场合。器件体积适中，便于批量焊接与自动化装配。
二、主要电气参数
- 极性：单向（对正向电压导通，对反向电压截止）
- 反向稳压 Vrwm：30 V（标称反向工作电压）
- 击穿电压 Vbr：33.3 V（器件进入导通的典型击穿电压）
- 钳位电压 Vc：48.4 V（在规定脉冲条件下的钳位电压）
- 峰值脉冲电流 Ipp：31 A（对应钳位电压时的峰值脉冲电流能力）
- 峰值脉冲功率 Ppp：1.5 kW（器件在指定脉冲条件下能吸收的瞬时能量能力）
- 反向电流 Ir：1 μA（在 Vrwm 下的漏电流，表示低待机泄漏）
- 封装：SMC（DO-214AB）
注：峰值电流与功率通常按行业脉冲测试条件给出，使用时请参照厂方数据手册以确认测试波形与能量参数的对应关系。
三、特点与优势
- 抑制能力强：在瞬态冲击下能将被保护点电压钳位至约 48.4 V，保护下游器件免受高压损伤。
- 低漏电流：Vrwm 下 Ir 仅 1 μA，适合集成在低功耗或长时间待机的系统中。
- 单向结构：对以正向瞬态为主要威胁的系统（如车载负载突降、反接保护）更为合适。
- SMC 封装：热阻较低，便于散热，适合较高能量吸收的应用；同时支持自动贴片与回流焊流程。
四、典型应用场景
- 车载电子（12V/24V 系统）瞬态和负载突变保护
- 工业电源模块与逆变器出口端浪涌吸收
- 通信设备供电线路过电压保护
- 电机驱动与继电器线圈驱动端的瞬态钳位
五、设计与布局建议
- 尽量将 SMCJ30A 布置在需要保护的输入端靠近连接端子或连接器处，使用短粗走线以降低寄生电感。
- 在高能量吸收场合配合良好散热设计，必要时在焊盘下与底层铜皮增加热通孔（via）以提升散热能力。
- 对于重复脉冲或高频冲击，应核算脉冲能量与器件 Ppp、Ipp 的匹配，并考虑余量与降容使用。
- 回流焊工艺遵循厂方推荐的温度曲线，避免超出封装材料的热应力限制。
六、可靠性与注意事项
- TVS 设计用于短时脉冲能量吸收，不适合长期承受高于 Vrwm 的连续功率；长期过压会导致器件发热并加速失效。
- 多次大能量冲击后器件性能可能退化，关键系统应考虑冗余或定期维护更换策略。
- 在选型时务必匹配系统最大工作电压、允许的钳位电压上限以及脉冲能量谱，必要时参考 Brightking 的完整数据手册与应用说明。
总结：SMCJ30A/TR13 以其 30V 反向工作电压、48.4V 钳位以及 1.5kW 峰值脉冲功率，适合用于 24V/30V 级保护应用，结合合理的电路布局与热管理可为工业与车载系统提供可靠的瞬态过压保护。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
