WMSIC Electronic Components

RUILON RL1206A330K

ModelRL1206A330K
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON RL1206A330K
Type
RUILON
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL1206A330K
Electronic Component
1
Package
1206
Electronic Component
Varistor Resistor
Electronic Component
500mJ
Electronic Component
0.054g
Electronic Component
1
Varistor Voltage
31.2V~39V
Electronic Component
BM0230136942
Voltage
85V
Operating Voltage(AC)
20V
Operating Voltage(DC)
26V
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.

RL1206A330K 产品概述

一、产品简介

RL1206A330K 是瑞隆源(RUILON)推出的一款贴片型压敏电阻(SMD MOV),封装规格为 1206。该器件主要用于抑制瞬态过电压和浪涌脉冲,保护电源、信号线及敏感电子元件免受瞬态电压冲击。器件体积小、响应速度快,适合于空间受限的表贴电路板。

二、主要参数

  • 压敏电压(Varistor Voltage, V1mA):31.2 V ~ 39 V
  • 钳位电压(Clamping Voltage):85 V(在指定浪涌条件下的典型值)
  • 最大工作电压(DC):26 V
  • 最大工作电压(AC rms):20 V
  • 峰值浪涌电流(Ipeak):100 A
  • 吸收能量(Energy):500 mJ(0.5 J)
  • 封装:1206(SMD)
    以上参数为器件在标准测试条件下的典型或额定值,具体试验条件请参考厂家完整规格书。

三、特性与优势

  • 尺寸小巧:1206 封装方便自动贴装与回流焊,适合高密度 PCB 设计。
  • 良好的浪涌抑制能力:100 A 峰值浪涌电流和 500 mJ 吸收能量,使其可应对常见的瞬态浪涌及脉冲干扰。
  • 兼容 24 V 及以内系统:最大工频 AC 20 V 与 DC 26 V,适用于 12 V、24 V 等低压线路的过压保护需求。
  • 快速响应:压敏电阻在过电压出现时瞬间导通,钳位电压有效限制系统电压尖峰,保护下游元件。

四、典型应用场景

  • 通信接口与数据线保护(如串口、CAN、USB 辅助保护)
  • 工业控制器与 PLC 的输入/输出端浪涌保护
  • 车载电子的辅助防护(用于点火或感应干扰抑制需注意汽车级认证)
  • 开关电源的二次侧和外围电路防护
  • 其他对瞬态过电压敏感的消费电子与测量仪器

五、封装与装配建议

  • 回流焊兼容性:适用于常见的无铅回流焊工艺,建议遵循生产批次提供的回流温度曲线与焊接时间限制。
  • PCB 布局:将压敏电阻尽量布置在被保护元件或接口的输入端附近,缩短信号或电源的传输路径,减小线路串联感抗。
  • 焊盘设计:按厂家推荐的 1206 焊盘尺寸开样,确保焊点可靠性与热量分布均匀。
  • 焊接后检测:建议进行焊接外观检查与基本电阻/导通测试,确认无焊接缺陷。

六、使用注意事项与可靠性

  • 非连续导通器件:压敏电阻并非用于持续限压,长期在钳位状态下会导致器件热损耗和寿命下降。应避免器件长期承受接近或超过其钳位功耗的条件。
  • 能量限制:500 mJ 为单次吸收能量等级,若预期出现高能量或重复冲击,应采用更高能量等级的防护器件或并联/串联保护方案。
  • 环境与存储:建议避免潮湿、高温环境长时间存放,贴片器件在装配前遵循防潮处理规范(Baking/湿敏等级)。
  • 验证与测试:在量产前进行实际电路的浪涌与 ESD 测试,验证钳位电压、吸收能量与响应行为满足系统要求。

如需进一步的电气特性曲线、浪涌测试条件或封装焊盘尺寸图,请提供您的邮箱或直接联系瑞隆源技术支持获取型号数据手册和可靠性报告。

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