WMSIC Electronic Components

HRE CGA0402X7R102J500GT

ModelCGA0402X7R102J500GT
Package0402
BrandHRE
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

18 specifications

Core information

Product name
HRE CGA0402X7R102J500GT
Type
HRE
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0402X7R102J500GT
Electronic Component
1
Electronic Component
1nF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.013g
Electronic Component
1
Electronic Component
BM0264778584
Electronic Component
X7R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
10000

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

CGA0402X7R102J500GT 产品概述

一、产品基本信息

CGA0402X7R102J500GT(品牌:HRE / 芯声)为贴片多层陶瓷电容器(MLCC),容值 1nF,精度 ±5%(J),额定电压 50V,介质材料 X7R,封装规格 0402(约 1.0 mm × 0.5 mm)。该型号属于通用型中介电常数陶瓷电容,体积小、可靠性高,适合大批量表面贴装生产。

二、电气与温度特性

  • 容值:1nF(标称)
  • 精度:±5%(J)
  • 额定电压:50V DC
  • 介质温度特性:X7R(-55°C 至 +125°C 范围内电容量变化通常在 ±15%)
    X7R 相比 C0G/NP0 在温度稳定性上略逊,但具有更高的介电常数,能在有限体积下提供较大容量。需注意 X7R 存在明显的直流偏置(DC bias)效应和温度/电压依赖特性,实际工作电压下有效电容可能下降,应在设计中预留余量或通过样件验证。

三、封装与机械特性

0402 封装体积极小,适用于高密度 PCB 布局,适合移动设备与消费类电子的去耦、滤波等用途。小尺寸带来的机械应力敏感性较高,焊接、回流工艺与 PCB 布局需按厂商推荐的焊盘尺寸和回流曲线执行,以避免芯片应力导致裂纹或失效。

四、典型应用场景

  • 电源去耦与旁路(微控制器、射频前端、模拟放大器电源)
  • 高频滤波与阻抗匹配(结合其他元件构成滤波网络)
  • 耦合/去耦电路(非极性,可用于 AC 耦合)
    不建议用于对容量稳定性、温漂和频率响应有极高要求的精密时钟或高精度滤波器场合(此类场合更适合 NP0/C0G 型)。

五、设计与使用注意事项

  • 考虑直流偏置:在接近或接近工作电压时,X7R 容值会下降,特别是在小封装和高电压组合下需留余量或测量实际偏置特性。
  • 布局建议:电源去耦尽量靠近供电引脚放置,短而宽的走线可降低 ESL。0402 对贴装精度要求高,确保贴片机与回流工艺一致性。
  • 焊接工艺:遵循 JEDEC/厂家给出的回流曲线(最高峰值温度通常 ≤ 260°C),避免过度机械应力与快速冷热循环。
  • 测试与筛选:建议在目标工作电压、温度下进行样件验证,必要时进行电容-电压特性和寿命测试。

六、可靠性与储存

在干燥、常温环境下储存,避免受潮与机械冲击;长期库存建议做烘烤处理以消除吸湿。使用过程中注意避免 PCB 弯曲或强力擦拭,以降低裂纹风险。符合常见的可靠性测试(如温度循环、湿热、机械冲击)要求,但具体可靠性数据应以厂商数据手册为准。

七、选型建议

若电路对温漂与电压依赖敏感,优先考虑 NP0/C0G 虑件;若需要更高容值或更小体积,可在 X5R/X7R 系列中比较不同封装与额定电压组合以平衡 DC bias 与体积需求。CGA0402X7R102J500GT 以其小尺寸和 50V 的电压等级,适合中高电压但要求体积受限的去耦与滤波场合。

如需进一步的电气曲线(温度依赖、DC bias 曲线、等效串联电阻 ESR/ESL)、机械尺寸图或回流建议,请提供样品需求或索取厂方 Datasheet,以便获得完整可靠的数据支持。

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