Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Littelfuse SMAJ5.0A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMAJ5.0A
- Type
- LITTELFUSE
- Unit
- Electronic Component
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- SMAJ5.0A
- Electronic Component
- 1
- Package
- DO-214AC(SMA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.124g
- Electronic Component
- 1
- Electronic Component
- BM0000282396
- Operating Temperature
- 65℃~+150℃
- Voltage
- 9.2V
- Current(Ir)
- 800uA
- Voltage(VBR)
- 6.4V
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：SMAJ5.0A TVS二极管
一、产品背景
SMAJ5.0A是一款高性能瞬态电压抑制（TVS）二极管，广泛应用于各种电子设备和电路中，以保护其免受高能瞬态脉冲（如静电放电（ESD）、电压浪涌和击穿）的影响。作为一款表面贴装型（SMD）元件，SMAJ5.0A具有出色的电气特性和热稳定性，适用于对抗电压瞬变的保护需求。
二、主要特性
极性与工作原理：
- SMAJ5.0A为单向（Unidirectional）二极管，设计用于处理正向电流，同时提供反向保护。该结构确保二极管在正常工作条件下不会导通，只有在电压超过设定的击穿电压时才会导通，以保护连接的负载。
电气参数：
- 峰值脉冲电流 (Ipp): 该器件能够承受最高43.5A的10/1000µs脉冲电流，这使得它适合于处理大电流瞬态脉冲，保护电路不受过电压的影响。
- 击穿电压（VBR）: SMAJ5.0A的最小击穿电压为6.4V，确保在电压超过该值时快速响应，从而减少对下游组件造成的潜在损害。
- 箝位电压（Vclamp）: 在达到峰值脉冲电流时，该器件的箝位电压为9.2V，这意味着其在过电压状态下仍能保持相对较低的电压，以保护连接在此电压上的其他元件。
- 反向关断电压（VRWM）: Typical为5V，适用于多种低电压电子产品，确保在正常工作环境下不会有电流流入保护侧。
功率额定：
- SMAJ5.0A禁用了400W的峰值脉冲功率，这一特性使其能够有效地处理瞬态过电压，而不会导致器件损坏。
工作温度范围：
- 该二极管的工作温度范围为-65°C到+150°C，支持在各种严苛环境下的操作，适合电气和电子应用的多种需求。
封装及安装：
- SMAJ5.0A采用DO-214AC（SMA）封装，表面贴装型设计使得其在电路板上的焊接与安装更加便捷，适合现代电子产品的设计需求。
三、应用场景
SMAJ5.0A广泛应用于多种行业领域，包括但不限于：
- 消费电子：如手机、个人电脑、平板电脑等，保护敏感电路避免静电放电和其他瞬态电压对设备造成的损坏。
- 工业自动化：用于工业控制系统，保障控制器和传感设备的稳定工作。
- 通信设备：在数据传输设备中防止瞬态电流影响数据完整性和设备安全。
- 汽车电子：对汽车电子部件提供保护，以确保在恶劣环境下仍能正常工作。
四、总结
SMAJ5.0A是一款高效、稳定且耐用的TVS二极管，凭借其卓越的电气特性和可靠的瞬态保护能力，成为电子设备保护的重要组成部分。无论是在消费电子、工业应用还是汽车电子领域，其均展现出出色的性能和适应性，是设计师和工程师们在产品设计中值得依赖的选择之一。选择SMAJ5.0A，意味着选择了安全、稳定和高性能的电路保护解决方案。
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.
