Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Brightking SMD1210B020TF
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMD1210B020TF
- Type
- BRIGHTKING
- Minimum package
- 4000
Technical parameters
- Electronic Component
- Brightking
- Electronic Component
- SMD1210B020TF
- Electronic Component
- 1
- Electronic Component
- 2.8mm
- Package
- 1210
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.025g
- Electronic Component
- 3.43mm
- Electronic Component
- 1mm
- Electronic Component
- 1
- Electronic Component
- 20ms
- Electronic Component
- BM0257505075
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 30V
- Power(Pd)
- 600mW
- Current(Imax)
- 10A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMD1210B020TF 产品概述
产品名称: 自恢复保险丝 SMD1210B020TF
品牌: Brightking (台湾君耀)
封装: 1210
保持电流: 200mA
最大电压: 30V
最大电流: 10A
初始态阻值 (最小值): 800mΩ
跳断后阻值 (最大值): 5Ω
跳闸电流: 400mA
最大动作时间: 20ms
消耗功率: 600mW
工作温度范围: -40℃ ~ +85℃
产品简介
SMD1210B020TF 是一款由台湾君耀（Brightking）公司生产的自恢复保险丝，采用1210封装，适用于表面贴装技术（SMT）。该产品具有200mA的保持电流和400mA的跳闸电流，能够在电路出现过流或短路时迅速响应，保护电路免受损坏。其自恢复特性使得在故障排除后，保险丝能够自动恢复正常工作状态，无需人工更换，极大地提高了系统的可靠性和维护效率。
核心特性
自恢复功能
SMD1210B020TF 采用高分子聚合物正温度系数（PPTC）材料制成，当电流超过跳闸电流（400mA）时，保险丝会迅速升温并进入高阻态，从而限制电流流动，保护电路。当故障排除后，保险丝冷却并恢复到低阻态，继续正常工作。快速响应
该保险丝的最大动作时间为20ms，能够在电路出现过流或短路时迅速响应，有效防止设备损坏。低初始阻值
初始态阻值仅为800mΩ，确保在正常工作状态下对电路的影响最小化，减少能量损耗。高耐压能力
最大工作电压为30V，适用于多种低压电路环境，如消费电子、通信设备、工业控制等领域。宽工作温度范围
工作温度范围为-40℃ ~ +85℃，能够适应各种恶劣环境，确保在极端温度下仍能稳定工作。高可靠性
采用1210封装，具有良好的机械强度和热稳定性，适合高密度PCB布局，满足现代电子设备对小型化和高可靠性的需求。
应用领域
SMD1210B020TF 广泛应用于以下领域：
- 消费电子: 如智能手机、平板电脑、笔记本电脑等设备的电源保护。
- 通信设备: 如路由器、交换机、基站等设备的过流保护。
- 工业控制: 如PLC、传感器、电机驱动等设备的电路保护。
- 汽车电子: 如车载充电器、导航系统、照明系统等设备的过流保护。
- 家用电器: 如智能家居设备、电源适配器、充电器等设备的电路保护。
技术优势
- 节省空间
1210封装尺寸小巧，适合高密度PCB设计，有助于缩小设备体积。 - 降低成本
自恢复特性减少了更换保险丝的人工成本和停机时间，提高了整体经济效益。 - 环保设计
符合RoHS标准，无铅无卤，对环境友好。 - 易于集成
表面贴装设计便于自动化生产，提高生产效率。
使用注意事项
- 电流选择
确保所选保险丝的保持电流略高于电路正常工作电流，以避免误触发。 - 电压匹配
保险丝的最大工作电压应高于电路的最高工作电压，以确保安全。 - 散热设计
在高功率应用中，需考虑保险丝的散热问题，避免因过热导致性能下降。 - 环境适应性
在极端温度或湿度环境下使用时，需评估保险丝的长期可靠性。
总结
SMD1210B020TF 是一款高性能、高可靠性的自恢复保险丝，适用于多种电子设备的过流保护。其快速响应、自恢复功能、低初始阻值和宽工作温度范围等特点，使其成为现代电子设计中不可或缺的保护元件。Brightking 作为台湾知名的电子元器件品牌，以其优质的产品和专业的服务，赢得了全球客户的信赖。选择 SMD1210B020TF，将为您的电路提供高效、可靠的保护，确保设备的安全运行。
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.
