Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Jingdao Microelectronics SMAJ12A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic SMAJ12A
- Type
- Jingdao Microelectronics
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- SMAJ12A
- Electronic Component
- 1
- Package
- DO-214AC
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.12g
- Electronic Component
- 1
- Electronic Component
- BM0219495079
- Operating Temperature
- 65℃~+150℃
- Voltage
- 19.9V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 14.7V
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ12A TVS二极管产品概述
一、概述
SMAJ12A是一款高效能的瞬态电压抑制（TVS）二极管，专为保护敏感电子设备而设计。由晶导微电子公司制造，SMAJ系列产品采用DO-214AC封装，具备优异的电压抑制能力和快速响应特性，能够有效防止电压尖峰和过电压对电路元件造成的损伤。
二、产品特点
高瞬态电压抑制能力：SMAJ12A具有12V的反向击穿电压，可以在瞬态电压脉冲出现时迅速吸收多余的电压，保护下游电路与设备。
快速响应时间：该系列TVS二极管的响应时间极快，能够在纳秒级别内对过电压进行保护，确保电子设备在瞬态干扰出现时能够维持稳定运行。
低泄漏电流：SMAJ12A在工作状态下表现出极低的泄漏电流，这意味着它在正常工作电压范围内对电路的影响微乎其微，提高了整体电路的能效。
支持高功率处理：该二极管能够处理高达600W的功率，适用于需要电源保护的重载电路和高能效设备。
坚固耐用：SMAJ12A采用DO-214AC封装，具有良好的机械强度，同时能够承受环境变化，适用于各种工业和消费类设备。
三、应用领域
SMAJ12A广泛应用于多个领域，包括但不限于：
通信设备：在网络设备、基站和射频设备中，对信号传输进行强有力的过压保护，确保设备的正常运行。
汽车电子：针对汽车电子系统，如车载音响、车载GPS等，提供可靠的瞬态保护，避免高电压对内部电路的潜在损害。
消费电子：包括手机、平板电脑及家用电器等，防止电磁干扰和电涌导致的故障，提高电子产品的耐用性。
工业设备：用于自动化控制设备、传感器等，对重要信号线进行电压限制保障，确保工业设备的稳定工作。
电力设备：如逆变器和电压转换器，提供瞬态保护，防止电力系统中的电压尖峰对元器件造成危害。
四、封装与规格
SMAJ12A采用DO-214AC封装，其小巧的尺寸使其在设计中占用较少的空间，易于与其他元器件共存。该封装具有较好的散热性能，适合用于高功率应用。此外，SMAJ12A的电气特性使其在不同的工作环境中都能够稳定运作，满足各种应用需求。
五、总结
晶导微电子的SMAJ12A TVS二极管凭借其优异的瞬态电压抑制能力、快速的响应时间和广泛的应用领域，成为电子保护方案中的重要选择。其在提供电路保护方面的可靠性与稳定性使其在市场上受到广泛欢迎。无论是在沟通网络、汽车电子、消费类产品还是工业自动化中，SMAJ12A都能够发挥重要的作用，确保设备的长期稳定运行，减少故障和损失。对于电路设计师和工程师来说，选择合适的保护元器件，无疑是确保产品质量和提高市场竞争力的关键步骤。
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.
