WMSIC Electronic Components

RUILON RL1210A680K

ModelRL1210A680K
Package1210
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON RL1210A680K
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL1210A680K
Electronic Component
1
Package
1210
Electronic Component
Varistor Resistor
Electronic Component
800mJ
Electronic Component
0.43g
Electronic Component
1
Varistor Voltage
67.2V~84V
Electronic Component
BM0264391795
Voltage
184V
Operating Voltage(AC)
40V
Operating Voltage(DC)
56V
Surge Current
250A
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.

RL1210A680K 压敏电阻产品概述

RL1210A680K是RUILON(瑞隆源) 品牌推出的表面贴装式(SMD)压敏电阻,采用行业标准1210封装,核心功能为电路瞬态过压防护,可有效抑制雷击、开关浪涌、静电放电(ESD)等干扰,保护后端敏感电子元件(如IC、晶体管、传感器等)的安全运行。

一、产品基本信息

RL1210A680K属于片式多层压敏电阻(MLV) ,通过多层陶瓷叠层工艺制备,兼具体积小、响应快、耐浪涌能力强等特点。型号命名逻辑清晰:

  • "RL":品牌瑞隆源(RUILON)标识;
  • "1210":封装尺寸(英制:长120mil=3.2mm,宽100mil=2.5mm);
  • "A":产品系列区分;
  • "680K":标称压敏电压68V(1mA测试电流下),"K"为公差关联标识(对应实际电压范围67.2V~84V)。

二、核心电气参数详解

该产品的关键参数直接决定过压防护效果,具体如下:

1. 压敏电压(V₁ₘₐ)

测试条件为1mA直流电流,电压范围67.2V~84V。此参数是器件导通的核心阈值:当电路电压超过该范围时,电阻迅速下降,开始分流抑制过压上升,避免后端元件受冲击。

2. 钳位电压(V_C)

在峰值浪涌电流250A 条件下,钳位电压为184V。钳位电压是浪涌发生时器件两端能稳定控制的最高电压,需确保后端元件耐压值高于此值,才能实现有效防护。

3. 长期工作电压

  • 直流工作电压(V_DC):56V(最大长期稳定工作电压,不可超);
  • 交流工作电压(V_AC):40V(最大长期交流有效值电压,不可超)。

若超过工作电压,会导致器件漏电流增大,长期使用可能引发性能退化或失效。

4. 浪涌耐受能力

  • 峰值浪涌电流(I_peak):250A(单次最大浪涌电流峰值,如雷击、开关浪涌);
  • 浪涌能量(E):800mJ(单次可吸收的最大能量,反映耐冲击能力)。

三、封装与物理特性

RL1210A680K采用1210表面贴装封装,符合国际电子封装标准,典型物理尺寸:

  • 长度:3.2mm±0.2mm;
  • 宽度:2.5mm±0.2mm;
  • 厚度:1.0mm±0.1mm;
  • 引脚间距:0.8mm±0.1mm。

该封装适配自动化贴装生产线,兼容性强,可用于高密度电路板设计(如小型化消费电子、工业控制模块)。

四、性能优势与可靠性

  1. 纳秒级响应:响应时间达ns级,可瞬间抑制瞬态过压,避免后端元件因电压突变损坏;
  2. 耐浪涌均衡:250A峰值电流+800mJ能量,满足常规电路浪涌防护需求(电源、信号接口等);
  3. 宽温稳定:工作温度范围**-55℃~+125℃**,在工业级环境下性能无明显衰减;
  4. 长寿命可靠:额定工作电压下,平均无故障时间(MTBF)符合电子元器件可靠性标准,可长期稳定运行。

五、典型应用场景

RL1210A680K适用于多领域过压防护,典型应用包括:

  1. 电源电路:直流适配器、开关电源、UPS电源,抑制雷击/开关浪涌;
  2. 信号接口:USB、RS485/232、音频/视频接口,防护ESD和瞬态浪涌;
  3. 消费电子:手机充电器、智能家居设备(音箱、摄像头);
  4. 工业控制:PLC模块、传感器接口、工业总线,防护电磁干扰和浪涌。

六、使用注意事项

  1. 电压限制:严禁超DC56V/AC40V长期工作,避免器件老化;
  2. 浪涌匹配:浪涌能量≤800mJ、峰值电流≤250A,超范围可并联器件扩容;
  3. 焊接规范:回流焊温度峰值≤260℃(≤10秒),手工焊≤350℃(≤3秒),避免高温损坏;
  4. 并联要求:并联时需确保所有器件压敏电压范围一致,避免分流不均过载。

综上,RL1210A680K是一款性能均衡、可靠性高的片式压敏电阻,可满足大多数电子设备的过压防护需求,适用于消费电子、工业控制等多个领域。

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