Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
RUILON RL1812A470K
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON RL1812A470K
- Type
- RUILON
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- RL1812A470K
- Electronic Component
- 1
- Package
- 1812
- Electronic Component
- Varistor Resistor
- Electronic Component
- 1.5J
- Electronic Component
- 0.183g
- Electronic Component
- 1
- Varistor Voltage
- 45.6V~57V
- Electronic Component
- BM0238777310
- Voltage
- 125V
- Operating Voltage(AC)
- 30V
- Operating Voltage(DC)
- 38V
- Surge Current
- 800A
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RL1812A470K 产品概述
一、主要参数
- 型号：RL1812A470K（RUILON 瑞隆源）
- 封装：1812（约 4.5 × 3.2 mm）
- 压敏电压（Varistor Voltage）：45.6V ~ 57V
- 钳位电压（Clamping Voltage）：125V（峰值浪涌情况下典型钳位）
- 连续工作电压：DC 38V；AC（有效值）30V
- 峰值浪涌电流：800A（单次浪涌能力）
- 吸收能量：1.5J（单位脉冲能量）
二、性能特点
- 非线性压敏特性：在工作电压以下漏电流极小，遇到高电压瞬变时快速导通，将过电压钳位到安全值。
- 高瞬态能量吸收：800A 峰值浪涌电流配合 1.5J 能量，适用于中小型瞬态冲击防护。
- 紧凑封装：1812 封装适合表贴工艺，便于自动化贴装与回流焊。
- 稳定可靠：适用于需要重复抑制瞬态、但不承受大型持续能量冲击的场景。
三、典型应用场景
- DC 电源总线防护（适配 36V 级别电源系统）：对直流供电线路的瞬态浪涌有良好保护能力。
- 通信与网络设备：电源输入、接口保护，防止雷电或开关脉冲造成损坏。
- 工业控制与驱动装置：保护传感器、电源模块、控制板等免受瞬态过电压影响。
- LED 驱动与消费电子：用于稳压模块、充电设备及外围保护。
四、安装与使用建议
- 布局：将 RL1812A470K 尽可能靠近被保护端口或电源入口放置，以缩短抑制路径并降低布线感抗。
- 焊接：遵循厂商回流焊规范，避免过高峰值温度和过长保温时间；焊接后检测外观与电气特性。
- 机械应力：封装较小，避免在 PCB 上承担应力（如弯曲或强烈振动），可考虑在高振动环境下加固。
- 重复冲击与退化：在频繁发生浪涌的情况下，元件性能会逐步退化，应按应用场景考虑冗余或定期更换策略。
五、可靠性与测试要点
- 建议在设计验证阶段进行实际浪涌测试（符合相关行业瞬态测试规范），确认在目标应用的浪涌等级下钳位电压和能量吸收满足要求。
- 注意环境因素：温度、湿度和长期偏压都会影响压敏电阻的漏电流与寿命，应按应用工况做加速老化评估。
- 储存与防护：常温干燥环境下储存，贴片产品若为带卷包装应按湿敏等级（MSL）处理并在规定时间内回流焊接。
总结：RL1812A470K（RUILON）以其 1812 紧凑封装、45.6V~57V 压敏电压、125V 钳位和 800A 峰值浪涌能力，适合在 30V AC / 38V DC 级别的电源与信号防护场合使用。设计时应关注布板距离、焊接工艺和重复浪涌下的老化问题，以确保长期可靠防护效果。若需精确电气曲线和环境试验数据，建议索取厂方完整规格书与测试报告。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
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.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
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.
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.
Related products
Packaged components ready for RFQ.
1 Piece Integrated Circuit for IRS20124S IRS21956S SOP-20 IRS2453DS SOP-14
- Model
- IRS20124S
- Package
