Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Brightking SMBJ43CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMBJ43CA
- Type
- BRIGHTKING
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- SMBJ43CA
- 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
- BM0230858799
- Operating Temperature
- 65℃~+150℃
- Voltage
- 69.4V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 47.8V
- 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.
产品概述：SMBJ43CA TVS二极管
一、产品背景
在当今电子技术飞速发展的时代，设备对于抗击电气干扰和过电压事件的需求愈发迫切。静电放电（ESD）和浪涌电压是常见的威胁，可能损坏敏感的电子元器件，导致设备失效。为有效应对这些问题，TVS（瞬态电压抑制）二极管被广泛应用于各种电子产品中，以提供高效的保护功能。SMBJ43CA即为此类产品中的一款杰出代表，其出色的性能使其在市场中得到了广泛的应用。
二、产品规格
SMBJ43CA是一款双向TVS二极管，采用SMB（DO-214AA）封装，面向各种电子应用，尤其是需要高电压保护的场合。其主要技术参数如下：
- 击穿电压（Vbr）：47.8V
- 反向截止电压（Vrwm）：43V
- 峰值脉冲电流（Ipp）：8.7A
- 最大钳位电压：69.4V
这些参数表明，SMBJ43CA可以在工作状态下提供稳定的电压保护，同时在遭遇浪涌或静电干扰时，有效地限制瞬态电压峰值，以避免对后端电路造成损害。
三、应用场景
SMBJ43CA的设计使其适合多种应用场合，包括但不限于：
- 计算机和通信设备：保护数据线和电源输入，防止因ESD或浪涌而导致的设备故障。
- 工业控制系统：在控制仪器和自动化设备中，防止电气噪声影响系统的稳定性和安全性。
- 消费电子：智能手机、平板电脑、家用电器等设备中，保护敏感的芯片和接口。
- 汽车电子：车载电子设备，如音响系统、导航设备等，防止电气异常导致的关联故障。
在这些应用场合，SMBJ43CA为电路的稳定性和可靠性提供了必要的保障，使设备在面对各种电气异常时依然能够正常工作。
四、特点与优势
SMBJ43CA的设计不仅注重功能的实现，同时也考虑到实际应用中的各种需求，具有以下几个显著特点：
- 高瞬态电流处理能力：其峰值脉冲电流可达8.7A，能够应对高强度的瞬态电压，确保设备在遭遇尖峰电压时不受损害。
- 快速响应时间：TVS二极管的响应时间通常在皮秒级别，使其可以迅速反应于瞬态电压，从而有效保护后端电路。
- 双向保护能力：SMBJ43CA具备双向保护特性，使其可以针对正负电压瞬态同时提供保护，适应性更强。
- 紧凑的封装设计：采用SMB（DO-214AA）封装，节省电路板空间，便于集成到各种设备中，同时具备良好的散热性能。
五、总结
SMBJ43CA TVS二极管是针对现代电子设备保护需求而设计的高性能元件，凭借其优越的击穿电压、反向截止电压和卓越的脉冲电流承载能力，成为了众多重要场合的理想选择。无论是计算机、通信、工业控制还是消费电子产品的应用，SMBJ43CA都能够提供坚实的保护屏障，确保设备的长期稳定运行。随着电子产品设计日益复杂，SMBJ43CA无疑将继续在市场中扮演关键角色，为用户提供更安全、更可靠的保护解决方案。
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.
