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Brightking BK12001502
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking BK12001502
- Type
- BRIGHTKING
- Minimum package
- 1500 盒
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- BK12001502
- Electronic Component
- 1
- Package
- Electronic Component
- Capacitor
- 0.8pF
- Electronic Component
- Electronic Component
- Electronic Component
- 0.25g
- Electronic Component
- 4mm
- Electronic Component
- 1
- (φD)
- 3.1mm
- Voltage
- 300V
- Electronic Component
- BM0257570726
- Operating Temperature
- 40℃~+85℃
- Surge Current
- 3kA
- Resistor
- 100MΩ
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BK12001502 放电管 产品概述
一、产品简介
BK12001502 是 Brightking（台湾君耀）出品的一款轴向引线放电管，专为通讯线路和低压电源的浪涌保护设计。器件具有典型击穿电压 300V、低等效电容 0.8pF 与较高的浪涌承受能力，适合对信号完整性要求较高的保护场合。
二、主要电气参数
- 击穿电压（Breakdown）：300V（典型）
- 容差/精度：±20%（电容值容差）
- 等效电容：0.8pF（低电容设计，便于高速信号通过）
- 绝缘电阻：100MΩ（常温下未触发时的绝缘性能）
- 浪涌电流承受：3kA（峰值，短时冲击）
- 工作温度范围：-40℃ ~ +85℃
三、特性与优势
- 低等效电容（0.8pF）：对高速数据或语音线影响小，可用于对信号带宽敏感的保护点。
- 高浪涌能力（3kA）：可承受短时大电流冲击，适用于雷击感应或开关瞬变场景。
- 宽温度工作范围：适合户内外多种环境。
- 轴向引线封装：便于穿板、弯脚安装和更换维护。
四、典型应用场景
- 电话线、DSL、以太网等通信接口的过压与雷击保护；
- 小功率电源入口的浪涌抑制；
- 工业控制信号线或传感器线的一级保护元件；
- 与其他保护元件（如TVS、MOV）组成多级保护体系，提升整体耐冲击能力。
五、使用与选型建议
- 若目标线路对信号失真敏感，优先考虑低电容型号，BK12001502 的 0.8pF 为良好选择。
- 根据系统最大可能冲击电流选择保护级数；单颗放电管适合承受短时 3kA 峰值，若有更大或更频繁冲击，应并联或与 MOV/TVS 组合使用。
- 放电管为无极性器件，安装时注意机械应力和引脚弯折半径，避免封装裂纹。焊接时避免长时间高温暴露，以免影响内部气体与密封性。
- 存储和包装应防潮、防机械冲击，长期贮存前宜按厂商建议执行。
六、可靠性与维护
BK12001502 在正常使用条件下具有良好寿命和重复触发能力，但每次放电会对内部材料造成应力，遇到多次大幅度击穿后应检查其电气参数是否变化并考虑更换。用于关键系统时，建议定期检测绝缘电阻与击穿电压以判断状态。
如需更详细的电气特性曲线、封装尺寸或标准测试条件，请提供您的应用场景或向 Brightking 官方获取完整数据手册。
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