WMSIC Electronic Components

RUILON RL0603A240K

ModelRL0603A240K
Package0603
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 RL0603A240K
Type
RUILON
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL0603A240K
Electronic Component
1
Package
0603
Electronic Component
Varistor Resistor
Electronic Component
100mJ
Electronic Component
0.041g
Electronic Component
1
Varistor Voltage
21.6V~27V
Electronic Component
BM0264888667
Voltage
59V
Operating Voltage(AC)
14V
Operating Voltage(DC)
18V
Surge Current
30A
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.

RL0603A240K 压敏电阻产品概述

RL0603A240K是瑞隆源(RUILON) 推出的一款小型化贴片压敏电阻,专为高密度电路设计,具备精准的过压保护阈值与快速响应特性,广泛应用于便携电子、消费电子及小型工业控制领域。

一、产品型号与核心定位

RL0603A240K的型号编码清晰传递核心信息:

  • RL:瑞隆源品牌标识;
  • 0603:贴片封装尺寸(英制0.06英寸×0.03英寸,公制1.6mm×0.8mm),属于小型化封装范畴;
  • A:产品系列标识(对应低功耗/小型化系列);
  • 240K:压敏电压标称值为24V(前两位“24”为电压值,第三位“0”为倍率,即24×10⁰=24V),“K”表示压敏电压公差为±10%。

该产品定位为中低压电路的瞬态过压保护器件,针对浪涌能量适中、空间受限的应用场景优化设计。

二、关键电气参数详解

RL0603A240K的电气参数围绕“过压保护有效性”与“长期可靠性”两大核心设计,关键参数如下:

1. 压敏电压(V₁ₘₐ)

范围:21.6V~27V(标称24V,±10%公差)。
压敏电压是指在1mA直流电流下,压敏电阻两端的电压值,是判断其保护阈值的核心指标——当电路电压超过该范围时,器件将快速导通,将过压能量泄放至地。

2. 长期工作电压

  • 直流(DC):18V;
  • 交流(AC):14V。
    此参数为器件长期稳定工作的最大电压,若长期超过该值,会加速器件老化,导致压敏电压漂移或性能下降。

3. 钳位电压(Vₙ)

额定值:59V(对应8/20μs浪涌电流波形下的峰值电压)。
钳位电压是浪涌发生时,器件两端能维持的最大电压,直接决定后级敏感元件的保护效果——RL0603A240K可将浪涌电压钳位在59V以内,避免后级电路(如MCU、传感器)因过压损坏。

4. 浪涌耐受能力

  • 峰值浪涌电流(Iₚₑₐₖ):30A(8/20μs波形);
  • 浪涌能量(E):100mJ。
    该参数表示器件单次可承受的最大浪涌强度,30A的峰值电流与100mJ的能量满足多数便携设备、小型家电的浪涌防护需求(如静电放电、电源瞬态尖峰)。

三、封装与物理特性

RL0603A240K采用0603贴片封装,具备以下物理优势:

  1. 小体积:1.6mm×0.8mm的尺寸,可节省PCB布局空间,适配高密度电路设计(如智能穿戴、蓝牙耳机等小型设备);
  2. 兼容性:支持回流焊工艺,适合自动化生产,提高组装效率;
  3. 温度适应性:常规工作温度范围为-55℃~125℃,满足多数电子设备的环境要求。

四、典型应用场景

结合参数与封装特性,RL0603A240K的核心应用场景包括:

1. 便携电子设备

  • 手机、平板电脑的充电接口、USB数据端口,防护静电放电(ESD)与电源浪涌;
  • 蓝牙耳机、智能手环的电源电路,避免充电过程中的瞬态过压损坏。

2. 消费电子控制板

  • 小型路由器、机顶盒的电源输入端口,防护电网瞬态尖峰;
  • 智能音箱、智能家居设备的信号接口,抑制电磁干扰(EMI)引起的过压。

3. 小型工业控制单元

  • 传感器模块(如温度、压力传感器)的信号端口,防护现场操作浪涌;
  • PLC的输入输出(I/O)端口,避免感应雷或设备切换引起的过压。

五、设计注意事项

为确保RL0603A240K的长期可靠性,设计时需注意以下几点:

  1. 电压匹配:长期工作电压不得超过DC18V/AC14V,避免加速老化;
  2. 浪涌频率:若应用场景存在高频浪涌(如频繁插拔的USB接口),需评估浪涌次数对器件寿命的影响;
  3. 并联设计:若需提升浪涌耐受能力,可并联多个同型号器件(需保证压敏电压一致性);
  4. 布局优化:器件应尽可能靠近被保护电路的输入端,减少引线电感对保护效果的影响。

六、总结

RL0603A240K是一款小型化、高性能的过压保护器件,凭借精准的压敏电压、快速的响应速度与紧凑的0603封装,完美适配空间受限的电子设备。其30A的峰值浪涌能力与100mJ的能量吸收,可有效防护静电、电源浪涌等瞬态过压,是便携电子、消费电子及小型工业控制领域的理想选择。

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.