WMSIC Electronic Components

UNI-ROYAL 0603WAF1800T5E

Model0603WAF1800T5E
Package0603
BrandUNI-ROYAL
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
UNI-ROYAL 0603WAF1800T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0603WAF1800T5E
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
180Ω
Electronic Component
1
Electronic Component
BM0257245692
Operating Temperature
55℃~+155℃
Operating Voltage
75V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

0603WAF1800T5E 产品概述

UNI-ROYAL(厚声)0603WAF1800T5E 是一款通用型贴片厚膜电阻,封装为 0603(1608M 公制),阻值 180 Ω,精度 ±1%,额定功率 100 mW,适用于对体积、成本和可靠性有均衡要求的电子产品。该器件温度系数(TCR)为 ±100 ppm/℃,工作温度范围 -55℃ 至 +155℃,工作电压标称 75 V,适合常见的信号、偏置和分压场合。

一、主要技术参数(概览)

  • 电阻类型:厚膜贴片电阻
  • 阻值:180 Ω
  • 精度:±1%
  • 额定功率:100 mW(PCB 上)
  • 最大工作电压(标称):75 V
  • 温度系数(TCR):±100 ppm/℃(25℃ 基准)
  • 工作温度:-55℃ ~ +155℃
  • 封装:0603(1608M)
  • 品牌:UNI-ROYAL(厚声)
  • 型号:0603WAF1800T5E

二、性能解读与关键计算

  • 功率与最大电流:在额定功率 P = 0.1 W 与 R = 180 Ω 条件下,允许的最大电流 Imax = sqrt(P/R) ≈ 23.6 mA。
  • 电压限制与功率约束:由功率限制得到的电压上限 Vp = sqrt(P·R) ≈ 4.24 V。虽然器件标称工作电压可达 75 V,但在功率限制作用下,当电阻两端需要承受较高电压时必须保证通过电流/功耗不超出额定值;二者需同时满足。
  • 温度影响:TCR ±100 ppm/℃ 意味着温度每上升 1℃,阻值相对变化约 0.01%。例如从 25℃ 升到 125℃(ΔT = 100℃),阻值变化约为 1%(180 Ω 约为 ±1.8 Ω)。与初始 ±1% 精度叠加后,在极端温度下需考虑总偏差。

三、产品特点(应用导向)

  • 紧凑封装:0603 体积小,适合高密度 SMT 组装与便携设备。
  • 精度较高:±1% 精度可满足多数模拟电路和阻值匹配要求。
  • 宽温范围:-55℃~+155℃ 适用于工业与消费级的广泛环境。
  • 成本与性能平衡:厚膜工艺成本优势明显,适合大批量应用。

四、典型应用场景

  • 电源与信号处理:分压器、偏置电阻、限流与拉/下拉网络。
  • 消费电子:移动设备、家电控制板、微控制器接口电路。
  • 工业控制与测量设备:非高精度测量、状态检测与放大器偏置。
  • 通讯与网络设备:滤波与匹配电路中使用的通用阻值。

五、设计与布局建议

  • 功率与热管理:遵循制造商的功率降额曲线;实际使用中应避免长时间在额定功率附近工作,可考虑 60%~80% 额定功率作为常用保守值,或通过分流/并联方式降低单件耗散。
  • PCB 封装与焊盘:建议采用对称焊盘,焊盘长度适配 0603(常见推荐值范围内),保证良好的焊点形成以利于机械强度与散热。避免在电阻两端布置大面积铜箔导致热量过快扩散而影响工艺可靠性(需根据具体热管理目标调整)。
  • 过压与保护:当电阻两端可能出现高电压瞬态时,应在电路中增加限压措施(如 TVS、熔断器或分压/限流设计),以防出现超过功率限制的瞬态导致失效。

六、焊接与可靠性注意

  • 焊接工艺:适用于常见无铅回流工艺。建议遵循焊膏和回流曲线规范,峰值温度通常不超过 260℃(具体以制造商推荐为准)。
  • 储存与搬运:保持干燥环境,避免剧烈机械冲击。贴片电阻一般对静电不敏感,但在 SMT 过程仍应按常规防静电措施操作以保护整个器件组装的敏感元件。
  • 寿命与环境耐受:通过标准温度循环、湿热和机械冲击测试可获较好可靠性;在高温高功耗工况下需要关注长期漂移。

七、选型提示

  • 若电路工作电压高于 Vp ≈ 4.24 V 且需保持 100 mW 功耗,需确认实际电流不会导致超过额定功率,或选择更大功率/更高封装的电阻。
  • 对温度系数与长期稳定性要求更高(例如高精度测量),应考虑薄膜电阻或低 TCR(±25~±50 ppm/℃)的型号。
  • 若需在高冲击或高热流应用中使用,可考虑更大封装(0805、1206)以获得更高额定功率和更好散热。

如需更详细的封装尺寸、回流曲线、包装方式或可靠性测试数据,请提供后续需求,我可帮助检索或制定针对性的选型与布局建议。

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.