WMSIC Electronic Components

Sunlord SDV1005H180C100NPTF

ModelSDV1005H180C100NPTF
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Sunlord SDV1005H180C100NPTF
Type
SUNLORD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDV1005H180C100NPTF
Electronic Component
1
Package
0402
Electronic Component
Varistor Resistor
Electronic Component
5mJ
Electronic Component
0.019g
Electronic Component
1
Varistor Voltage
25V
Electronic Component
BM0264913834
Voltage
40V
Static Capacitor
10pF@1MHz
Operating Voltage(AC)
12.7V
Operating Voltage(DC)
18V
Surge Current
2A

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

顺络SDV1005H180C100NPTF压敏电阻产品概述

一、产品基本属性与核心定位

SDV1005H180C100NPTF是顺络电子(Sunlord)推出的小型表面贴装压敏电阻,核心定位为低功耗、高密度电路的过压防护器件。该产品属于顺络SDV系列压敏电阻的常规规格,采用0402(公制1005,即1.0mm×0.5mm)封装,主要针对消费电子、IoT终端等小型化设备的电源、信号接口防护需求设计,可有效抑制静电放电(ESD)、电源瞬态尖峰等浪涌干扰。

二、关键电气参数深度解析

压敏电阻的核心性能由电气参数决定,SDV1005H180C100NPTF的关键参数可分为“防护阈值”“工作稳定性”“浪涌能力”三类,具体如下:

(1)防护阈值参数

  • 压敏电压(V₁ₘₐ):25V
    指测试电流为1mA时的电压值,是产品的“触发阈值”——当电路电压超过该值时,电阻阻值快速下降(从兆欧级降至欧姆级),开始导通泄放浪涌电流,避免后端电路被击穿。
  • 钳位电压(Vₑ):40V
    浪涌峰值电流2A时,产品两端的最大电压限制,直接决定后端电路的防护效果(若后端芯片耐压低于40V,需搭配TVS管等辅助防护器件)。

(2)工作稳定性参数

  • 持续工作电压:DC18V / AC12.7V
    产品可长期稳定工作的电压范围(DC为直流,AC为交流有效值),需确保电路正常工作电压不超过该值,避免静态误触发或长期过载导致陶瓷材料老化。
  • 静态电容:10pF(@1MHz,±30%)
    无浪涌时的寄生电容,小电容值是该产品的核心优势之一——对高频信号(如蓝牙、WiFi、USB2.0等)的传输损耗极小,适合信号线路防护(若电容过大,会导致信号衰减、相位偏移)。

(3)浪涌防护能力

  • 峰值浪涌电流(Iₚₚ):2A
    单次浪涌的最大峰值电流承受能力;
  • 浪涌能量(E):5mJ
    单次浪涌的总能量承受能力,两者共同决定产品可防护的浪涌强度(适用于小功率浪涌,如人体静电放电、电源开机/关机瞬态尖峰)。

三、封装与物理特性

该产品采用0402表面贴装封装(公制尺寸1.0mm×0.5mm×0.5mm,典型值),具有以下物理特性:

  • 体积紧凑:仅为0805封装的1/4左右,可大幅节省PCB布局空间,适配智能手机、智能手环等小型化设备;
  • 贴装兼容性:符合IPC J-STD-001标准,支持常规SMT焊接工艺(回流焊峰值温度≤260℃,波峰焊需控制焊接时间);
  • 材料可靠性:采用顺络专利的氧化锌压敏陶瓷材料,一致性好,耐温范围-55℃~+125℃(符合消费电子及工业级部分场景的温度要求);
  • 环保认证:通过RoHS 2.0、REACH等环保标准,可用于全球市场的电子设备。

四、典型应用场景

结合参数特性,SDV1005H180C100NPTF主要适用于以下场景:

  1. 便携电子设备:智能手机、智能手表、TWS耳机的充电接口、耳机接口、SIM卡槽等部位的过压防护;
  2. IoT终端模块:蓝牙模块、WiFi模块、传感器节点(如温湿度、运动传感器)的电源端、信号端防护;
  3. 低功耗电源电路:3~4节锂电池串联供电的设备(满电约16.8V,匹配DC18V工作电压),防护电源瞬态尖峰;
  4. 高频信号线路:USB2.0、UART、SPI等低速/中速高频信号线路,因10pF小电容不影响信号完整性;
  5. 小型电子玩具:儿童智能玩具的电源、控制线路防护,避免静电损坏芯片。

五、产品优势与选型价值

相比同类竞品,该产品的核心优势在于:

  1. 小尺寸+低电容双重适配:0402封装满足高密度布局,10pF电容不干扰高频信号,是“信号+电源”防护的理想选择;
  2. 电压匹配精准:DC18V工作电压与常见便携设备电源电压(如12V、16.8V)高度匹配,避免静态误触发;
  3. 顺络品牌可靠性:顺络作为国内被动元件龙头,产品一致性好,可提供稳定的防护性能;
  4. 成本效益平衡:在小功率防护场景下,无需过度设计(如选用更大浪涌能力的器件),可降低BOM成本。

六、选型与使用注意事项

  1. 工作电压匹配:电路持续工作电压需≤DC18V/AC12.7V,若电压更高(如24V电源),需选更高规格(如DC24V工作电压的压敏电阻);
  2. 浪涌能力验证:若浪涌峰值超过2A或能量超过5mJ,需并联多个该器件或选用更高浪涌规格的产品(如SDV1005H180C200NPTF);
  3. 焊接工艺注意:0402封装焊接温度需控制在260℃以内(回流焊峰值温度),避免过热导致陶瓷材料开裂;
  4. 容差考虑:±30%的电容容差在批量应用中需注意一致性,若对电容精度要求高(如射频电路),可筛选后使用。

该产品凭借“小尺寸、低电容、精准电压匹配”的特性,成为消费电子、IoT终端等领域小型化过压防护的主流选择之一,可有效提升设备的抗浪涌能力与可靠性。

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