WMSIC Electronic Components

Taiwan Lu Hai NSMD025-30V NSMD025

ModelNSMD025-30V
Package1206
BrandElectronic Component
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
NSMD025-30V
Type
Taiwan Luhai
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NSMD025-30V
Electronic Component
1
Package
1206
Electronic Component
Resettable Fuse
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0264399033
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
30V
Power(Pd)
600mW
Current(Imax)
100A
Electronic Component
Electronic Component
Electronic Component
5000
Latching Current(Ihold)
250mA

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

台湾陆海NSMD025-30V自恢复保险丝产品概述

NSMD025-30V是台湾陆海电子推出的一款1206封装聚合物自恢复保险丝(PPTC),专为低压电路的过流保护设计,具备可重复使用、快速响应、低功耗等核心优势,广泛适配消费电子、汽车电子及小型工业设备的过载防护需求。

一、核心电气参数解析

该产品的电气参数经过精准设计,覆盖低压中电流场景的核心防护需求:

  1. 电压与电流能力

    • 最大耐压(Vmax):30V,适配锂电池组(常见2-8串,最高约29.6V)、USB 3.0/PD快充等低压电路的电压范围;
    • 保持电流(Ihold):250mA(常温25℃),即电路正常工作电流需≤250mA,可长期稳定工作而不触发保护;
    • 跳闸电流(Itrip):500mA,当电路电流达到该值时,保险丝会在数毫秒内触发跳断(典型响应时间<10ms),快速阻断过流;
    • 最大电流(Imax):100A,为短时间过流的峰值耐受能力,避免瞬时大电流(如浪涌)直接损坏器件。
  2. 阻抗与功率特性

    • 初始态最小阻值(Rmin):350mΩ,低阻抗设计可减少正常工作时的功率损耗,避免额外发热;
    • 跳断后最大阻值(R1max):2.5Ω,跳断后进入高阻态,有效限制电路电流至安全范围(<50mA);
    • 最大消耗功率(Pd):600mW,正常工作时的功率损耗符合低压电路的低功耗要求,不影响系统散热。

二、封装与物理特性

NSMD025-30V采用标准1206表面贴装封装(尺寸3.2mm×1.6mm×1.0mm),具备以下特点:

  • 兼容SMT自动化生产,可通过回流焊、波峰焊实现高效贴装,适配高密度PCB设计;
  • 体积小巧,适合智能手机、智能手表、车载USB等紧凑设备的内部布局;
  • 引脚设计符合IPC标准,焊接可靠性高,虚焊率低。

三、典型应用场景

该产品的参数特性使其成为多领域低压过流保护的优选方案:

  1. 消费电子领域

    • 智能手机/平板电脑:电池充电电路、USB接口过流保护(防止快充时过流损坏电池或接口);
    • 智能穿戴设备:智能手表、蓝牙耳机的电源防护(避免充电或使用时过流);
    • 小型家电:USB供电的台灯、加湿器的电源模块保护。
  2. 汽车电子领域

    • 车载USB充电口:适配车载12V电源,保护手机/平板充电时的过流风险;
    • 小型车载电器:行车记录仪、氛围灯、胎压监测系统的电源防护(-40℃~+85℃温度范围适配车载环境)。
  3. 工业控制领域

    • 小型传感器:温湿度传感器、光电传感器的电源防护(避免传感器短路导致控制器损坏);
    • 低功率控制器:PLC辅助模块、小型继电器的过流保护。

四、工作环境适应性

NSMD025-30V的工作温度范围覆盖工业级与消费级场景:

  • 工作温度:-40℃至+85℃,可在低温地区(如北方车载设备)、高温环境(如工业控制柜)稳定工作;
  • 存储温度:-55℃至+125℃(陆海官方推荐),满足长期存储的温度要求。

五、选型与应用要点

为确保防护效果,需注意以下选型与应用细节:

  1. 电流匹配
    电路正常工作电流需≤Ihold(250mA),过流峰值需≤Imax(100A),避免误触发或器件损坏;若电路电流波动较大,可预留10%-20%的余量。

  2. 电压匹配
    电路工作电压需≤30V,若使用在更高电压场景(如36V锂电池组),需选择耐压更高的型号。

  3. 焊接注意
    遵循陆海推荐的焊接温度曲线(回流焊峰值温度260℃±5℃,时间≤10s),避免过热导致器件性能下降;焊接后需检查引脚连接,确保无虚焊、桥接。

  4. 恢复条件
    过流故障排除后,需等待器件温度降至恢复温度(约100℃) 以下,方可自动恢复至低阻抗状态,无需手动更换或重置。

总结

NSMD025-30V凭借其紧凑的1206封装、精准的电气参数(30V耐压、250mA保持电流)、宽温度范围及可重复使用特性,为低压中电流电路提供可靠的过流防护,适用于消费电子、汽车电子等多个领域,是替代一次性保险丝的高效选择。

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