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Bencent BF102M
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Bencent BF102M
- Type
- BENCENT
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BENCENT
- Electronic Component
- BF102M
- Electronic Component
- 1
- Electronic Component
- 5mm
- Package
- SMD
- Electronic Component
- 2
- Electronic Component
- (GDT)
- Electronic Component
- ±20%
- Electronic Component
- 0.68g
- Electronic Component
- 4.2mm
- Electronic Component
- 5mm
- Electronic Component
- 1
- Electronic Component
- BM0258757581
- Operating Temperature
- 40℃~+90℃
- Capacitor
- 1pF
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BF102M 气体放电管 产品概述
一、产品简介
BF102M 是 Bencent（槟城）出品的一款表面贴装型气体放电管（SMD Gas Discharge Tube），用于线路过电压保护与浪涌能量分流。器件体积小巧（4.2 × 5 × 5 mm），适合高密度电路板布置，针对需要高能脉冲吸收且要求低线路电容的保护场合进行了优化设计。
二、主要技术参数
- 直流击穿电压（Vdc）：1.2 kV（标称，允许偏差 ±20%）
- 冲击击穿电压（Vimp）：1.7 kV
- 脉冲放电电流：3 kA（峰值）
- 极间电容：约 1 pF（低电容，利于高频信号完整性）
- 外形尺寸：长 4.2 mm × 宽 5 mm × 高 5 mm
- 封装形式：SMD（表面贴装）
- 型号：BF102M；品牌：Bencent（槟城）
三、主要特性
- 高能量承受能力：单次脉冲放电电流可达 3 kA，能够承受较大雷击或开关冲击能量。
- 低电容：约 1 pF，适用于对信号完整性要求高的高速通信和测量线路。
- 紧凑封装：SMD 结构利于自动化贴装与批量生产，节省 PCB 面积。
- 明确的击穿等级：直流与冲击击穿电压指标清晰，便于与系统工作电压协调选型。
四、应用场景
- 通信设备入线防护（如光纤收发器前端、电话线、数据接口）。
- 电力与配电保护侧的浪涌防护方案。
- 工业自动化、测量仪器的防雷与瞬态抑制。
- 需兼顾高能脉冲吸收与低线路电容的场合，如射频接口与传感器前端。
五、安装与使用注意事项
- 该器件为非极性气体放电元件，但应按推荐的 PCB 封装与焊盘尺寸进行布板，保证机械与热可靠性。
- 避免将气体放电管直接作为连续限流器使用；在设计中通常与限流电阻、并联压敏或后级钳位元件配合，以实现更可靠的过电压保护。
- 焊接时遵循厂家焊接工艺说明，避免过高回流温度与过长时间热暴露以保护密封结构。
- 长期在高湿、高腐蚀环境下工作时，应采取防护措施以延长器件寿命。
六、选型建议与可靠性考量
- 根据系统正常工作电压与允许最大暂态幅值，参考 BF102M 的 Vdc（1.2 kV ±20%）与 Vimp（1.7 kV）来判断触发和保护匹配性。
- 若需更快的响应或更低的钳位电压，可考虑与 TVS 二极管组合使用；若需承受更高能量或更频繁冲击，应选用额定更高的气体放电管或并联改善能量分流。
- 在关键系统建议进行实际浪涌试验验证，以确保在目标波形与能量下器件性能满足要求。
如需更详细的电气波形试验数据、典型应用电路或 PCB 布局建议，可提供具体应用场景，我方可进一步给出针对性的设计建议与注意事项。
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