WMSIC Electronic Components

ROHM ESR10EZPJ512

ModelESR10EZPJ512
Package0805
BrandROHM
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
ROHM ESR10EZPJ512
Type
ROHM
Minimum package
5000

Technical parameters

Power
400mW
Electronic Component
ROHM
Electronic Component
ESR10EZPJ512
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.027g
Electronic Component
5.1kΩ
Electronic Component
1
Electronic Component
BM0257353071
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±200ppm/℃
Resistor Type
Resistor
Electronic Component
5000

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

ESR10EZPJ512 产品概述

一、产品简介

ESR10EZPJ512 为 ROHM(罗姆)品牌的贴片厚膜电阻,封装为 0805(2012 米制),标称阻值 5.1 kΩ,精度 ±5%,额定功率 400 mW。该器件适用于对体积、成本和可靠性有综合要求的一般电子线路,兼顾了功率承受能力与常见电气特性,在消费类与工业类电子设备中具有良好的通用性。

二、主要规格

  • 电阻类型:厚膜贴片电阻(SMD thick film)
  • 阻值:5.1 kΩ
  • 精度:±5%
  • 额定功率:400 mW
  • 额定工作电压:150 V
  • 温度系数(TCR):±200 ppm/℃(典型)
  • 工作温度范围:-55 ℃ ~ +155 ℃
  • 封装:0805(2012)

三、产品特点与优势

  • 体积小、标准化封装(0805)便于自动贴装和批量生产,适合 SMT 工艺。
  • 额定功率 400 mW,对于 0805 尺寸的贴片电阻而言具有较好的功耗承受能力,适合低至中等功率应用。
  • 最大工作电压 150 V,使其可在较高电压的信号或偏置电路中使用(使用时仍应参考电压降额规则)。
  • 温度适应范围宽(-55 ℃ ~ +155 ℃),可满足大部分室温与工业温度级别的应用环境。
  • 厚膜工艺成本较低,适合对精度要求不是特别高但要求成本与数量匹配的产品方案。

四、适用场景

  • 一般电子消费类产品中的分压、上拉/下拉、偏置电路。
  • 通信设备、工业控制与仪器仪表中的信号处理与旁路电阻。
  • 低功率电源电路中的检测或分流(需注意功率与温升)。
  • 其他需要标准贴片形式与中等稳定性的场合。

五、使用建议与注意事项

  • 关于功率降额:器件标称为 400 mW,实际允许功率会随环境温度及 PCB 热阻增加而下降,建议参考 ROHM 官方 datasheet 中的功率降额曲线并在设计中留有余量。通过增大铜箔面积、优化散热路径可以有效提高实际功耗承受能力。
  • 焊接工艺:适用于回流焊工艺。为避免热应力及焊接缺陷,建议采用推荐的回流温度曲线,并遵循 PCB 焊盘与焊膏设计规则。
  • 测量与配套:在测量阻值时建议使用四端法或足够高分辨率的仪器,避免引入温升与接触电阻误差。对于温漂敏感的应用,若 ±200 ppm/℃ 不满足需求,应选用低 TCR 的型号或金属膜电阻。
  • 长期可靠性:厚膜电阻具有良好的机械与化学稳定性,但在高湿、高盐雾或极端振动环境下需进行具体评估。

六、选型参考与替代方案

  • 若需要更高精度(如 ±1% 或更高)或更低温漂(低于 ±50 ppm/℃),可考虑金属膜或陶瓷基薄膜电阻型号。
  • 若电路功率需求高于 400 mW,考虑更大封装(1206、2010 等)或专用功率电阻。
  • 若应用涉及汽车级或更严格环境资格,应查阅是否具备对应认证或选用有 AEC‑Q 等级的替代型号。

七、采购与包装

ROHM 品牌保证了元器件的一致性与批次可追溯性。0805 常以卷带(tape-and-reel)方式供货,便于自动贴片机取料。采购时请确认完整料号(ESR10EZPJ512)与 datasheet,以获取最新的电气、热与可靠性数据。

总结:ESR10EZPJ512 是一款面向通用电子应用的 0805 厚膜贴片电阻,具有中等精度、良好工作温度范围和 400 mW 的额定功率,适合在体积受限且对成本有要求的设计中作为常用分压或偏置元件使用。设计时注意功率降额与 PCB 散热设计以确保长期可靠运行。

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