WMSIC Electronic Components

Sunlord SDV1005E5R5C180NPTF

ModelSDV1005E5R5C180NPTF
Package0402
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 SDV1005E5R5C180NPTF
Type
SUNLORD
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDV1005E5R5C180NPTF
Electronic Component
1
Package
0402
Electronic Component
Varistor Resistor
Electronic Component
5mJ
Electronic Component
0.019g
Electronic Component
1
Varistor Voltage
12V
Electronic Component
BM0264889127
Voltage
18V
Static Capacitor
18pF@1MHz
Operating Voltage(AC)
4V
Operating Voltage(DC)
5.5V
Surge Current
3A

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

Sunlord SDV1005E5R5C180NPTF 压敏电阻产品概述

顺络电子(Sunlord)推出的SDV1005E5R5C180NPTF是一款针对小型化高密度电路设计的过压保护器件,采用0402(1005 metric)封装,核心聚焦便携电子、物联网及通信接口的静电/浪涌防护需求,在小体积下平衡了电性能与可靠性。

一、产品封装与核心定位

SDV1005E5R5C180NPTF采用0402封装(尺寸约1.0mm×0.5mm),属于当前电子设备中最小的表面贴装封装之一,适配高密度PCB布局——尤其适合智能手机、智能手表、TWS耳机等便携设备的狭小空间设计,可直接集成在充电接口、数据总线或传感器节点的输入端,无需额外占用过多布线资源。

其定位为低电容型过压保护器件,既满足小功率浪涌的防护需求,又避免了高电容对信号传输的干扰,是信号线路与低功耗电路防护的优选方案。

二、关键电性能参数解析

该器件的电性能参数围绕“防护有效性”与“信号兼容性”两个核心设计,具体如下:

1. 过压防护核心参数

  • 压敏电压(V₁ₘₐ):12V ±30%
    压敏电压是器件开始导通的临界电压(通常定义为1mA电流下的电压值)。此参数远高于其持续工作电压(DC5.5V、AC4V),确保器件在正常工作时处于高阻态,不会消耗额外电流或干扰电路;当电路出现浪涌或静电时,电压超过12V后器件迅速导通,将过压能量泄放至地。

  • 钳位电压(V꜀):18V
    钳位电压是浪涌电流达到峰值时的最大输出电压(用户给定峰值浪涌电流3A)。18V的钳位电压远低于大多数敏感IC的击穿电压(通常为20V以上),可有效保护后端电路免受过压损坏。

  • 浪涌耐受能力:3A(峰值)/5mJ(能量)
    支持单次3A峰值浪涌或5mJ能量的冲击,适配常见的静电放电(ESD)、电源瞬态浪涌(如USB接口插拔瞬间)及信号线路干扰,满足消费级电子设备的防护标准。

2. 信号兼容性参数

  • 静态电容:18pF @1MHz
    低静态电容是该器件的核心优势之一。18pF的电容值在1MHz频率下几乎不会对中低频信号(如音频、I2C/SPI通信、USB 2.0等)产生明显衰减,可直接并联在信号线上实现防护,无需担心信号失真问题。

三、典型应用场景

SDV1005E5R5C180NPTF的小封装与低电容特性,使其适配以下场景:

1. 便携电子设备接口防护

  • 智能手机/平板的USB Type-C接口:防护充电浪涌、静电放电(人体接触产生的ESD),避免充电IC或基带芯片损坏;
  • 智能手表/TWS耳机的无线充电/数据接口:小空间内实现电源与信号的双重防护,不影响设备体积。

2. 物联网低功耗模块

  • 传感器节点(如温湿度、运动传感器):防护传感器电源与I2C/SPI总线的浪涌,确保数据传输稳定;
  • 蓝牙/WiFi低功耗模块:保护射频接口,低电容不影响2.4GHz频段信号传输。

3. 消费类电子信号线路

  • 蓝牙耳机音频线:防护静电干扰,18pF电容不影响音频信号质量;
  • 小型家电控制板:保护按键、显示接口的浪涌,适配高密度PCB设计。

四、可靠性与环境适应性

顺络作为国内领先的电子元器件厂商,该器件的可靠性符合行业标准:

  • 环保合规:满足RoHS 2.0、REACH等环保指令,无铅无卤,适配绿色电子产品设计;
  • 温度范围:支持-55℃至+125℃的工作温度(行业常规标准),覆盖消费级与工业级场景的温度需求;
  • 焊接兼容性:适配回流焊、波峰焊工艺,焊接温度曲线符合0402封装的焊接要求,良率稳定;
  • 耐老化性能:经多次浪涌冲击后,压敏电压漂移率低于5%,确保长期使用的防护有效性。

五、选型与应用注意事项

为确保防护效果,应用时需注意以下几点:

  1. 电压匹配:持续工作电压(DC≤5.5V、AC≤4V)需低于压敏电压(12V)的最小值(12V×70%=8.4V),避免器件长期导通老化;
  2. 电容匹配:若应用于GHz以上超高频信号(如5GHz WiFi),需考虑更低电容的器件,但本产品适配1MHz以下及2.4GHz中低频信号;
  3. 布局建议:器件应尽量靠近被保护电路的输入端,减少引线长度(≤5mm),降低引线电感对防护效果的影响;
  4. 浪涌强度匹配:若需防护更大能量浪涌(如10mJ以上),可并联多个该器件或选用更大功率的压敏电阻。

综上,SDV1005E5R5C180NPTF是一款针对小体积、低电容防护需求的高性价比器件,兼顾了便携设备的空间限制与信号传输质量,是消费电子、物联网领域过压防护的可靠选择。

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