WMSIC Electronic Components

Sunlord SDV2012A300C181NPTF

ModelSDV2012A300C181NPTF
Package0805
BrandSUNLORD
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
Sunlord SDV2012A300C181NPTF
Type
SUNLORD
Minimum package
4000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDV2012A300C181NPTF
Electronic Component
1
Package
0805
Electronic Component
Varistor Resistor
Electronic Component
200mJ
Electronic Component
0.037g
Electronic Component
1
Varistor Voltage
41.5V
Electronic Component
BM0257715551
Voltage
65V
Static Capacitor
180pF@1MHz
Operating Voltage(AC)
21.3V
Operating Voltage(DC)
30V
Surge Current
60A

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

SDV2012A300C181NPTF 产品概述

一、产品简介

SDV2012A300C181NPTF为顺络(Sunlord)系列0805封装压敏电阻(MOV/Varistor),设计用于抑制瞬态冲击与浪涌干扰。器件标称压敏电压41.5V,钳位电压65V,额定工作电压DC 30V(AC 21.3V),峰值浪涌电流可达60A,单次能量吸收约200mJ。静态电容为180pF(1MHz,±30%)。

二、主要电气参数解析

  • 压敏电压 41.5V:器件在规定测试电流下开始导通的电压,决定触发点。
  • 钳位电压 65V:在峰值浪涌(60A)下的钳位电压,代表被抑制时的最大电压幅值。
  • 工作电压 DC30V / AC21.3V:长期施加电压不得超过此值以保证可靠性,适合24V级别电源保护。
  • 峰值浪涌电流 60A:通常按8/20µs波形测定,表示单次浪涌冲击能力。
  • 能量 200mJ:单脉冲能量吸收能力,表示器件对一次性较小能量浪涌的承受能力。
  • 静态电容 180pF ±30%:对高速信号线影响明显,选型时需权衡对信号完整性的影响。

三、典型应用与选型建议

适合用于直流电源轨(例如24V工业/通信电源)、电源输入端、接口处的浪涌保护以及一般低频信号的防护。由于静态电容较大(180pF),不推荐用于对信号完整性要求高的高速差分接口(如USB3.0/高速以太网);若用于数据线,应优先选择低电容类型。

四、PCB布局与焊接注意

  • 尽量将器件靠近被保护的引入点或连接器布置,缩短导线/走线长度以降低串联感抗。
  • 对地类型保护时应保证接地回路低阻短路径。
  • 0805(2012公制)尺寸小,回流焊温度与曲线应遵循顺络资料,以免过热影响特性与寿命。
  • 防止潮湿及机械应力,贴片时注意贴装方向和焊盘尺寸匹配。

五、可靠性与使用限制

压敏电阻在反复承受大电流脉冲时会逐步降额或损坏,建议按应用频率与能量需求做余量设计;长期工作电压不应接近标称压敏电压;器件电容公差±30%,在高精度滤波或时序电路中需留意。更详细的温度系数、寿命与环境可靠性参数请参考顺络官方数据手册。

六、选型与采购提示

器件型号:SDV2012A300C181NPTF;封装:0805;品牌:Sunlord(顺络)。型号尾部的封装/包装信息请以厂家数据表为准,批量采购时建议索取最新样片并进行电路验证。

总结:SDV2012A300C181NPTF在小尺寸表贴场合提供了对24V级电源线和一般接口的有效瞬态保护,具有良好的浪涌吸收能力和便于自动贴装的封装形式;在高频敏感应用中应谨慎评估其较高的静态电容对信号的影响。

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