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Brightking P0640SB
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking P0640SB
- Type
- BRIGHTKING
- Minimum package
- 3000
Technical parameters
- Electronic Component
- Brightking
- Electronic Component
- P0640SB
- Electronic Component
- 1
- Package
- SMB
- Electronic Component
- Thyristor Surge Suppressor (TSS)
- Electronic Component
- 0.198g
- Electronic Component
- 1
- Electronic Component
- BM0257854823
- Latching Current(Ih)
- 150mA
- Switch Voltage(Vs)
- 77V
- Capacitor(Co)
- 60pF
- Voltage(Vt)
- 4V
- Current(It)
- 2.2A
- Electronic Component
- 3000
- Current(Ipp)
- 80A
- Voltage(Vdrm)
- 58V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
P0640SB 放电管（SMB，DO-214AA）产品概述
一、产品简介
P0640SB 是由 Brightking（台湾君耀）推出的 SMB 封装放电管，专为中低电压线路的浪涌与过压保护设计。器件在断态时具有较低的漏电与可控的电容值，导通时能够快速承受较大脉冲电流，将瞬态能量安全引入接地或回路，从而保护后端敏感电路。
二、主要电气参数
- 断态峰值电压 (Vdrm)：58 V
- 开关电压 (Vs)：77 V
- 峰值脉冲电流 (Ipp)：80 A
- 保持电流 (Ih)：150 mA
- 通态电压 (Vt)：4 V
- 通态电流 (It)：2.2 A
- 断态电容 (Co)：60 pF
（注：峰值脉冲电流等参数通常以标准冲击波形测量，实际应用请参考厂商详尽测试条件。）
三、封装与机械特性
- 封装类型：SMB（DO-214AA），兼容常见 SMT / 贴片工艺
- 适合自动化焊接与批量生产，体积与功率能力在同类 SMB 放电元件中处于平衡位置。
四、典型应用场景
- 通信接口与线路保护（如交换设备、DSL、光猫前端）
- 电源输入端与直流母线保护（适用于额定电压不超过 Vdrm 的系统）
- 工业控制、楼宇自控与安防设备的浪涌防护
- 需要兼顾低通态电压与中等速率信号完整性的场合
五、选型与使用注意事项
- 电压等级匹配：工作电压应低于 Vdrm，且对浪涌余量留有裕量；开关电压 Vs 决定触发时刻，应与系统可承受电压相匹配。
- 能量与冲击能力：Ipp=80A 表明器件可承受短时大电流冲击，但频繁或高能量冲击会降低寿命，应配合限流元件或熔断保护。
- 信号完整性：断态电容 Co=60 pF 对高速差分信号有一定影响，要求高带宽场合应评估插入损耗与回波。
- 热与环境：工作环境温度、焊接工艺和布局接地对性能与寿命有明显影响，建议遵循厂方推荐的 PCB 布局与散热策略。
六、品牌与可靠性说明
Brightking（台湾君耀）在过压保护器件领域有成熟生产与测试流程，P0640SB 适用于商用与工业级保护需求。采购与设计时建议索取完整数据手册和样品做实际验证，以确保在目标系统中的可靠性与兼容性。
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