WMSIC Electronic Components

HRE CGA1206M3L683J500MT

ModelCGA1206M3L683J500MT
Package1206
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 CGA1206M3L683J500MT
Type
HRE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA1206M3L683J500MT
Electronic Component
1
Electronic Component
68nF
Package
1206
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.045g
Electronic Component
1
Electronic Component
BM0264778638
Electronic Component
M3L
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
3000

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

CGA1206M3L683J500MT 产品概述

一、概要

CGA1206M3L683J500MT 是 HRE(芯声)系列的多层陶瓷电容(MLCC),屏蔽型片状封装,包装尺寸为 1206(常用表述,约 3.2 × 1.6 mm)。该型号标称容量为 68 nF(0.068 μF),公差 ±5%(J),额定直流工作电压 50 V,介质/温度系数标识为 M3L(厂商指定材料代码)。凭借体积小、无极性、等效串联阻抗低等 MLCC 固有优势,适用于通用旁路、去耦、滤波和耦合电路。

二、主要技术参数

  • 容值:68 nF(0.068 μF)
  • 容值精度:±5%(J)
  • 额定电压:50 V DC
  • 介质/温度系数:M3L(厂商材料代号)
  • 封装:1206(片式)
  • 品牌:HRE(芯声)
  • 适用温度与电性能曲线:请参照厂商数据手册以获取具体温漂、温度范围与在偏压下的容值变化曲线

三、料号拆解(说明性)

常见的命名规则便于快速理解该料号含义(以该型号为例,拆解为便于识别的字段):

  • CGA1206:表示陶瓷片式电容、1206 封装;
  • M3L:介质类型/温度系数代码(厂商特定);
  • 683:三位数字编码容值,683 → 68 × 10^3 pF = 68,000 pF = 68 nF;
  • J:公差 ±5%;
  • 500:通常代表额定电压 50 V(部分厂商以此类推);
  • MT:可能表示包装形式(如盘带、卷带)或内部生产代码。
    注:具体含义请以 HRE 官方资料为准,上述拆解为通用解释,便于型号快速识别。

四、性能特点与注意事项

  • 体积小、无极性,适合高密度贴装:1206 封装兼顾容量与焊接可靠性。
  • 低 ESR/低 ESL:相比电解电容,MLCC 在高频去耦与射频旁路上表现优异。
  • 温度与电压依赖性:M3L 类陶瓷通常属于介电常数较高的材料体系,存在温漂与偏压效应,随着温度变化或直流偏压,实际容值会有所下降。设计时应考虑 DC-bias 导致的有效容值衰减。
  • 老化特性:部分无铅化的高介电常数陶瓷在初期会出现老化(容值随时间缓慢下降),该效应会随时间逐步减缓。
  • 漏电流与耐压:额定 50 V 指峰值安全工作电压,开路/漏电流与击穿行为请参考厂商测试项与规范;不应在超额定电压或高应力条件下长期工作。
  • 机械应力敏感:贴片陶瓷电容易受 PCB 弯曲或局部应力影响导致裂纹或损伤,焊接与装配时应注意机械应力控制。

五、典型应用场景

  • 电源去耦与旁路:CPU、MCU、模拟前端、电源模块的高频噪声抑制。
  • 信号滤波与耦合:模拟滤波网络、RC 时间常数电路、采样保持电路中的耦合元件。
  • 混合信号电路:ADC/DAC 前端的旁路与参考电容(需注意温漂与电压系数)。
  • 通讯与射频系统:作为局部去耦与旁路电容用于高频去耦(需评估 ESR/ESL 适配)。
  • 工业与消费类产品中的通用滤波与去耦应用。

六、封装与安装建议

  • 焊盘与焊接:建议参考 IPC-7351 推荐焊盘设计或厂商提供的推荐 PCB land pattern,以保证焊接强度与焊料填充。1206 贴片应保证焊盘长度与宽度满足焊接良好过渡,同时避免过大焊盘导致吸锡不均或应力集中。
  • 回流与温度曲线:遵循无铅回流焊标准资料的温度曲线(厂商给出最高回流温度与时间限制),避免急冷急热导致裂纹。
  • 机械应力控制:布线与装配时避免在陶瓷电容一侧施加机械应力,PCB 设计避免大尺寸元件区域的弯曲。对板边附近的元件应留有应力缓冲区。

七、储存与可靠性建议

  • 储存环境推荐干燥、常温、避光,避免长期暴露在高湿下。若为卷带包装,应在贴装前按厂商要求进行烘烤以驱散吸收水分(若适用)。
  • 使用前确认批次与规格:因介质特性存在批次差异,关键电路建议对样件进行实测(容量在工作电压与温度下的实际值、热稳定性、耐压与漏电流)。
  • 设计留余量:在需稳定容值的场合(时钟、滤波、采样等),建议预留容值或采用并联/串联策略以抵消温漂与偏压损失。

总结:CGA1206M3L683J500MT 为一款适用于一般电子产品去耦、滤波与耦合的 68 nF/50 V 片式陶瓷电容,结合 HRE 的生产与质量控制,适合表贴自动化装配。设计时需关注介质温漂、偏压依赖与机械应力,必要时参考厂商数据手册并开展实测验证。

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