WMSIC Electronic Components

RUILON 14D331K

Model14D331K
PackageP=7.5mm
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON 14D331K
Type
RUILON
Minimum package
250 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
14D331K
Electronic Component
1
Package
P=7.5mm
Electronic Component
Varistor Resistor
Electronic Component
104J
Electronic Component
1.808g
Electronic Component
1
Varistor Voltage
297V~363V
Electronic Component
BM0259459163
Voltage
550V
Static Power
600mW
Static Capacitor
550pF@1kHz
Operating Voltage(AC)
210V
Operating Voltage(DC)
275V

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

14D331K 产品概述 — RUILON(瑞隆源)

一、产品简介

14D331K 是 RUILON(瑞隆源)系列金属氧化物压敏电阻(MOV),为中高压浪涌保护设计。器件采用径向引线封装,间距 P=7.5mm,适合通过波峰/手工焊接装配在各种配电、逆变器及工业电源板上。器件以高能量吸收能力和稳定的压敏特性为核心,提供对瞬态过电压的有效钳位保护。

二、主要技术参数

  • 压敏电压(Varistor Voltage, V1mA):297V ~ 363V
  • 钳位电压(Clamping Voltage):550V(峰值)
  • 工作电压(直流):DC 275V
  • 工作电压(交流):AC 210V
  • 峰值浪涌电流(8/20μs):4.5kA
  • 能量吸收:104J
  • 静态电容:550pF @ 1kHz
  • 静态功率(Leakage/静态耗散,典型):600mW
  • 封装:径向引线,P=7.5mm
  • 品牌:RUILON(瑞隆源)

三、产品特点与优势

  • 高能量吸收:104J 的吸收能量可应对较强的浪涌脉冲,减少对下游器件的冲击。
  • 大峰值浪涌能力:支持最高 4.5kA(8/20μs)浪涌,适合直流母线及工业供电系统。
  • 稳定钳位:典型钳位电压 550V,在高压冲击时能快速限制电压上升,保护被保护电路。
  • 合理静态电容:550pF@1kHz,可在高速信号或滤波电路中带来可控影响。
  • 标准封装:径向引线 P=7.5mm,便于手工或自动贴装、替换维护。

四、典型应用场景

  • 工业电源与配电柜的浪涌保护模块
  • 逆变器/变频器直流母线保护
  • 消费类电源适配器与充电设备
  • 建筑物防雷与SPD(浪涌保护器)二级/三级保护单元

五、使用与安装建议

  • 安装时保证良好接地,MOV 的另一端应能迅速将能量引入地线或公共母线。
  • 避免长期在接近最大工作电压下工作,以延长器件寿命。
  • 在高频或敏感信号路径使用时,注意其 550pF 的静态电容可能引入耦合或滤波效应。
  • 推荐在热源或通风不良环境下采取散热与空间隔离措施,静态功耗约 600mW,长期高温会降低可靠性。

六、选型建议

  • 若系统直流工作电压接近 275V,应选择余量合适的 MOV(本型号适合 DC275V 及以下场景)。
  • 对于更高冲击电流需求,可并联多个相同型号 MOV,但需考虑分流均匀性与并联限制。
  • 关注钳位电压与被保护器件耐压匹配,确保钳位 550V 能在允许范围内保护关键元件。

如需完整规格书(SMD 曲线、温度特性、老化数据等)或批量采购信息,可提供具体应用场景与数量,以便进一步确认最优替代与配套方案。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.