Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
0603WAF300JT5E 是 UNI-ROYAL(厚声)系列的一款厚膜贴片电阻,标准 0603 封装。阻值为 30Ω,精度 ±1%,额定功率 100mW,适用于高密度表面贴装电路板(SMT)中对体积和精度有要求的应用场景。工作温度范围宽(-55℃ ~ +155℃),可靠性高,适合消费类、通信、工业及仪表类电子产品。
本件为厚膜电阻,采用陶瓷基板与金属化电阻层,表面经覆膜保护,适合常规回流焊工艺。0603 小尺寸有利于电路板空间利用,但在功率和热量散发上需考虑布线和散热设计。
厚声产品通常经过湿热、温度冲击、耐焊性与机械强度测试,具有良好的长期稳定性与低频噪声特性。TCR ±100 ppm/℃ 能在中等温变场合保证阻值稳定性;宽温区间和高耐受性适合复杂环境。对高精度、高稳定性场合建议在电路中留有余量并参考厂家加速老化和筛选方案。
适用于:电阻分压、偏置/上拉下拉、电流限制、滤波网络、阻抗匹配等。由于阻值与功率特性,常用在便携设备、消费电子、通信模块、传感与控制电路中。设计时应注意:1)考虑功率降额与温升;2)避免长期在最大额定功率和高环境温度下工作;3)合理布线和散热以延长寿命。
产品型号:0603WAF300JT5E,品牌 UNI-ROYAL(厚声)。选型时如需更高精度或更低 TCR,可考虑 0.5% 或更低 TCR 的薄膜/金属膜替代品;如需更高功率应选用更大封装(0805、1206)或专用功率电阻。
如需完整的电气图表、温升/降额曲线与可靠性试验数据,请参考 UNI-ROYAL 官方数据手册或向供应商索取产品规格书。
Request for quote
Use the form for single models, category sourcing, and multi-line BOM requirements.
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.
Related products