WMSIC Electronic Components

RUILON SMD2920P500TF/16 SMD2920P500TF

ModelSMD2920P500TF/16
Package2920
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 SMD2920P500TF / 16
Type
RUILON
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMD2920P500TF/16
Electronic Component
1
Electronic Component
5.44mm
Package
2920
Electronic Component
Resettable Fuse
Electronic Component
0.236g
Electronic Component
7.98mm
Electronic Component
1.6mm
Electronic Component
1
Electronic Component
5s
Electronic Component
BM0258779439
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
16V
Power(Pd)
5mW

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

SMD2920P500TF/16 产品概述

一、产品简介

SMD2920P500TF/16(品牌:RUILON/瑞隆源)是一款面向PCB表贴保护的聚合物自恢复保险(PPTC)。该器件在正常工作时呈低阻抗状态,当电路发生过流或短路时通过热敏正温度系数效应迅速增大阻抗限制电流,故障消除后可自动恢复到低阻态,适用于电源输入、电机驱动、充电保护等需要可复位过流保护的场景。

二、关键参数(典型/额定)

  • 最大耐压(Vmax):16 V
  • 最大瞬态电流(Imax):40 A
  • 保持电流(Ihold):5 A(在规定温度下长期通过而不触发)
  • 跳闸电流(Itrip):10 A(触发区间电流)
  • 功耗(Pd):5 mW(典型工作耗散)
  • 初始态阻值(Rmin):5 mΩ
  • 跳断后最大阻值(R1max):31 mΩ
  • 动作时间:5 s(于指定过流条件下触发时间)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 外形尺寸:长 7.98 mm × 宽 5.44 mm × 高 1.6 mm
  • 封装:2920 SMD

三、主要特性与优势

  • 可复位保护:过流清除后自动恢复,无需更换元件。
  • 低系列电阻:初始仅 5 mΩ,适合高电流路径,降低压降和发热。
  • 快速动作:在 10 A 级别过流情况下约 5 s 动作,兼顾响应速度与抗浪涌能力。
  • 宽温特性:-40 ℃ 到 +85 ℃,适合工业与汽车电子等宽温应用。
  • 小型 SMD 封装:便于自动贴装和高密度 PCB 布局。

四、典型应用

  • 消费类电源输入与 USB/Type-C 保护
  • 通信设备与路由器电源保护
  • 电池管理系统(BMS)辅助保护、充电模块
  • 工业控制模块、低压伺服/驱动器短路保护
  • 汽车车载辅助电源(需按车规环境验证)

五、设计与使用建议

  • 温度影响:器件的保持电流与跳闸电流会随环境温度上升而下降,设计时按最高工作温度做适当裕量。
  • PCB布线:尽量保证器件两端宽铜带,减少额外串联阻抗与发热。器件附近留足散热空间,避免被热源覆盖。
  • 浪涌考量:Imax 为瞬时耐受能力,若系统存在反复高能浪涌,应评估寿命或并联限流设计。
  • 回流焊接:遵循无铅回流曲线建议,避免长时间高温暴露;若未提供具体曲线,请按照通用SMD无铅工艺(约 260 ℃ 峰值)并与供应商确认。
  • 测试验证:在预期工作电压、环境温度及负载条件下做整机验证,确认动作时间、复位特性与热稳定性。

六、包装与存储

  • 建议干燥包装保存,避免潮湿环境长期暴露,以免影响焊接性能。
  • 存储温度与湿度按供应商说明书执行,超过保质期前进行烘烤处理(如适用)。

七、注意事项与合规

  • 器件性能随制造批次及测试条件存在差异,最终设计应以供应商出具的最新数据表与样片测试结果为准。
  • 若应用在关键安全系统或车规级场合,需额外进行可靠性与耐久性试验,并确认是否满足相关行业标准。

如需数据表、回流曲线或样品测试报告,可联系 RUILON(瑞隆源)或指定代理商获取详细技术资料与工程支持。

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