WMSIC Electronic Components

UNI-ROYAL 1206W4F360JT5E

Model1206W4F360JT5E
Package1206
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UNI-ROYAL 1206W4F360JT5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
1206W4F360JT5E
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
36Ω
Electronic Component
1
Electronic Component
BM0263477408
Operating Temperature
55℃~+155℃
Operating Voltage
200V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

1206W4F360JT5E 产品概述

一、产品简介

1206W4F360JT5E 为 UNI-ROYAL(厚声)品牌的厚膜贴片电阻,封装尺寸为 1206(约 3.2 mm × 1.6 mm)。标称阻值 36 Ω,公差 ±1%,额定功率 250 mW,额定工作电压标称 200 V,温度系数(TCR)±200 ppm/°C,工作温度范围 -55 °C 至 +155 °C。该系列为通用型厚膜电阻,适合于表面贴装(SMT)工艺的多种电子产品。

二、主要性能参数

  • 阻值:36 Ω(标称)
  • 公差:±1%
  • 额定功率:0.25 W(常温条件)
  • 最大工作电压(器件耐受性标称值):200 V
  • 温度系数:±200 ppm/°C
  • 工作温度:-55 ℃ ~ +155 ℃
  • 封装:1206(SMD,厚膜工艺)

三、电气特性与使用警示

尽管资料中列有“工作电压 200 V”的数值,但在连续工作条件下,器件两端允许的最大直流电压应受功率限制约束。按 P = V^2 / R 计算,基于 0.25 W 的功率极限,连续工作电压约为:

  • Vmax_cont = sqrt(P × R) = sqrt(0.25 × 36) = 3.0 V 对应的最大连续电流约为 Imax = V/R ≈ 83 mA。 因此在电路设计中若跨接电压或瞬态超过该连续允许值,必须确认为短脉冲或采取限流/降额措施,否则器件会过热甚至失效。

四、热管理与降额建议

  • 额定功率通常在环境温度(如 25 ℃)或参照温度下给出;在高温条件下应进行线性降额处理,接近最高工作温度时功率接近零。建议设计中预留热阻和散热裕度。
  • PCB 布线和焊盘设计会影响热传导,增大焊盘面积或通过金属层扩散热量可提高实际允许功率。

五、封装与焊接工艺

  • 1206 封装适配常见的 SMT 贴装设备,兼容无铅回流焊工艺。建议遵循器件制造商的回流曲线和 IPC 焊接规范,避免过度热冲击和长时间高温暴露。
  • 建议按厂方推荐的焊盘尺寸与阻焊设计来降低应力与避免热应力引起的可靠性问题。

六、典型应用场景

  • 一般电路中的限流、分压、阻尼、偏置网络
  • 模拟信号处理、滤波电路中的精密配阻(需注意温漂)
  • 测试与检测电路中中低功率的电阻需求 不适合用作高功率或高电流的取样电阻(电流感测),除非配合良好散热和短脉冲工作方式。

七、选型建议与注意事项

  • 若电路存在高电压或大幅度脉冲,应重点核算能量吸收与脉冲功率能力,必要时选用功率更大的厚膜或金属膜电阻,或并联/串联方案降低单器件应力。
  • 对温漂和长期稳定性有较高要求的场合,可考虑更低 TCR 或金属膜/合金电阻替代。
  • 采购时确认批次、可靠性测试数据及厂方封装/贴装建议,确保与目标应用环境匹配。

总结:1206W4F360JT5E 是一款定位于通用中低功率 SMT 应用的厚膜电阻,具有较好的尺寸/性能折衷,适用于多种电子设备的标准阻值需求,但在高电压或高功率场合需谨慎降额和热设计。

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