WMSIC Electronic Components

RUILON RL1206A390K

ModelRL1206A390K
Package1206
BrandRUILON
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON RL1206A390K
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL1206A390K
Electronic Component
1
Package
1206
Electronic Component
Varistor Resistor
Electronic Component
500mJ
Electronic Component
0.053g
Electronic Component
1
Varistor Voltage
36V~45V
Electronic Component
BM0238764978
Voltage
99V
Operating Voltage(AC)
25V
Operating Voltage(DC)
30V
Surge Current
100A
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RL1206A390K 产品概述

一、产品简介

RL1206A390K 是 RUILON(瑞隆源)推出的一款 SMD 压敏元件,1206 封装,专为瞬态过电压保护设计。该器件在小型化电路中提供可靠的浪涌钳位能力与能量吸收能力,适合各种 DC/AC 供电和信号接口的瞬态抑制。

二、主要参数

  • 压敏电压:36V ~ 45V(典型触发区间)
  • 钳位电压:99V(峰值钳位)
  • 额定工作电压(DC):30V
  • 额定工作电压(AC):25V
  • 峰值浪涌电流:100A
  • 能量吸收:500mJ(0.5J)
  • 封装:1206(SMD)

三、主要特性与优势

  • 小型封装(1206),利于高密度 PCB 布局与自动贴装回流焊。
  • 压敏触发范围适用于 24V~36V 等中低压直流系统及相关信号线保护。
  • 较高的峰值浪涌电流与能量吸收能力,可在短时冲击条件下有效钳位,保护下游元件免受过压损伤。
  • 结构稳定、响应快速,适合频繁出现瞬态的工业与消费类应用。

四、典型应用场景

  • 工业控制器、PLC、电源模块的输入端浪涌保护。
  • 电源管理、DC-DC 转换器及逆变器的过电压保护。
  • 通信设备、基站、路由器等电源接口的瞬态抑制。
  • 汽车电子(需按车规等级验证)、安防与监控设备的防护设计。

五、封装与安装建议

  • 推荐采用标准 1206 封装 PCB 焊盘设计并进行回流焊工艺,避免过度热应力。
  • 布局时尽量将压敏元件靠近受保护端口并缩短引线与接地回路,降低寄生电感,提升钳位效率。
  • 对需要更高能量承受或重复冲击场景,可并联多个器件以分担能量(并联前请验证参数一致性并考虑热分布)。

六、选型与注意事项

  • 选型时以最大工作电压高于系统正常电压为原则,确保在正常工况下不会触发。对于 24V 系统,30V DC 工作电压适配良好;若系统可能出现更高直流电压,应选择更高压敏电压等级。
  • 钳位电压为器件在浪涌条件下的峰值,设计时应确保下游元器件能承受该电压或另加二次保护。
  • 频繁的大能量冲击或超出规格的浪涌可能导致器件老化或损毁,建议在苛刻环境下做可靠性验证。

七、包装与储存

  • 建议遵循厂家防潮包装与储存要求,避免潮湿环境和长时间高温暴露,以保持焊接性与性能稳定性。

如需完整电气特性曲线、浪涌测试条件(脉冲波形、测试标准)或器件的可靠性数据,建议参考 RUILON 官方数据手册或直接咨询供应商获取详细的测试报告。

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