Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RL3225A431K是瑞隆源(RUILON)推出的贴片式氧化锌压敏电阻,核心功能为电子系统的过电压浪涌保护,凭借3225紧凑封装与稳定电气性能,适配多类中低压电源及设备防护场景。
该器件属于氧化锌压敏电阻(MOV)范畴,通过自身非线性伏安特性,在电路遭遇浪涌时快速导通,将过电压钳位至安全范围,保护IC、电容等敏感元件。采用3225贴片封装(行业通用标识,对应公制尺寸3.2mm×2.5mm),兼容SMT自动化生产,适合高密度PCB布局。
关键参数经校准,直接决定防护能力与应用适配性:
标称431V,误差±10%(387V~473V),定义为1mA直流电流下的电压值——是选型核心依据,需与系统工作电压匹配,避免误触发或保护不足。
8/20μs标准浪涌电流下,钳位电压最大值710V——直接反映浪涌抑制能力,可将过电压限制在710V内,保护后端元件。
单次8/20μs浪涌能量容量23J,可承受雷击、电源开关浪涌等中等强度冲击,满足多数民用/工业低压场景需求。
1kHz测试频率下为95pF,属中等水平——适合低频电源电路,高频信号线路需谨慎评估电容干扰。
3225封装是贴片压敏的常用小型化方案,优势明显:
结合参数适配性,主要应用于:
确保可靠工作需注意:
综上,RL3225A431K以稳定性能、紧凑封装及高性价比,成为中低压电源过压保护的实用选择。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
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.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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