Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Littelfuse SMBJ24CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMBJ24CA
- Type
- LITTELFUSE
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- SMBJ24CA
- Electronic Component
- 1
- Package
- DO-214AA
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.202g
- Electronic Component
- 1
- Electronic Component
- BM0000283229
- Operating Temperature
- 65℃~+150℃
- Voltage
- 38.9V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2
- Current(Ir)
- 1uA
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：SMBJ24CA
一、产品简介
SMBJ24CA是由美国力特（Littelfuse Inc.）生产的一款双向瞬态电压抑制器（TVS 二极管）。其主要功能在于提供电路过压保护，尤其适用于各种电子设备的电源线路保护与信号线路过电压浪涌的抑制。该器件具有快速响应特性，能够有效地限制瞬态过压，并防止电压对敏感元器件造成损害。
二、技术特性
极性与类型:
- 本产品为双向（Bidirectional）设计，适用于处理交流电路或同时存在正负向脉冲的场合。
- 类型为齐纳二极管，特别能够在高频率工作环境下保持稳定，提供可靠保护。
主要电气参数:
- 峰值脉冲电流（Ipp，10/1000µs）: 最大达到15.5A。这一参数表明SMBJ24CA可以快速承受短时高电流脉冲，确保电路在瞬态冲击期间不会受到影响。
- 箝位电压（Vc）: 38.9V，这代表了电流脉冲达到最大峰值时，器件的电压限制，确保电压不会超过这个阈值，从而保护下游电路。
- 击穿电压（Vbr，最小值）: 26.7V，为器件开始导通的电压水平，确保在此电压范围内(trigger voltage)器件能快速响应并抑制过压。
- 反向关断电压（Vr）: 典型值为24V，指的是在没有通过任何电流的情况下，能够阻断反向电流的电压值。
工作温度范围:
- 该器件能够在-65°C到150°C的广泛温度范围内工作，确保在极端的环境条件下仍能保持良好的性能和稳定性。
封装与安装类型:
- SMBJ24CA采用SMB（DO-214AA）封装，支撑表面贴装（SMD），便于在各种电路板上集成。小巧的尺寸与优秀的散热性能使其成为现代电子设计中的优选元器件。
三、应用场景
SMBJ24CA广泛应用于以下领域：
- 通信设备: 用于保护信号线路免受电压瞬变的干扰，确保信号传输的完整性与稳定性。
- 家用电器: 对电源线路进行过压保护，防止雷电等自然因素造成设备损坏。
- 汽车电子: 在汽车电子控制单元（ECU）中，限制瞬态电压的影响，保障车辆安全运行。
- 工业控制: 在工业自动化设备中，通过抑制电源和信号线上的瞬态过压，确保设备的正常运行。
四、总结
SMBJ24CA作为一款高性能的瞬态电压抑制器，在提供可靠的电路保护的同时，具备出色的热稳定性与宽广的工作温度范围，使其在多种应用场景中都具备良好的适应性。其双向特性与高峰值脉冲电流能力，确保能够为敏感的电子设备提供有效的瞬态过压保护，是现代电子电路设计中不可或缺的重要元件。
对于设计工程师和电子产品制造商而言，SMBJ24CA不仅能降低故障风险，还能提升产品的可靠性和市场竞争力，是一款值得推荐的保护器件。
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.
