WMSIC Electronic Components

TDK C1005X7R1H102KT000F

ModelC1005X7R1H102KT000F
Package0402
BrandTDK
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

16 specifications

Core information

Product name
TDK C1005X7R1H102KT000F
Type
TDK
Minimum package
10000

Technical parameters

Electronic Component
TDK
Electronic Component
C1005X7R1H102KT000F
Electronic Component
1
Electronic Component
1nF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.012g
Electronic Component
1
Electronic Component
BM0257242302
Electronic Component
X7R
Voltage
50V
Electronic Component
10000

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

C1005X7R1H102KT000F 产品概述

一、产品简介

TDK C1005X7R1H102KT000F 为多层陶瓷贴片电容(MLCC),标称电容值 1 nF,公差 ±10%,额定电压 50 V,温度特性 X7R,封装 0402(公制 1005)。该系列属于二类陶瓷介质,体积小、容值稳定性与体积比良好,适合在受限空间内实现高密度旁路和去耦。

二、主要电气与热学特性

  • 温度系数:X7R 按规范可在 −55°C 至 +125°C 范围内保持电容量在室温值的 ±15% 内变化,适用于需一定温度稳定性但不要求绝对精度的场合。
  • 直流偏压效应:像所有高介电常数的二类陶瓷一样,在施加直流偏压时电容会下降,实用设计时需考虑偏压降容影响。
  • 高频性能:0402 尺寸具有较低的等效串联电感(ESL)和较低的等效串联电阻(ESR),适合高频去耦与 EMI 抑制。
  • 老化特性:二类陶瓷存在随时间缓慢下降的老化现象,出厂后电容会逐步减小,必要时可通过退火工艺降低老化速度。

三、典型应用场景

  • 高频去耦/旁路:放置于电源引脚附近,抑制高速开关噪声。
  • EMI 滤波:与电感或其他滤波元件配合实现高频干扰抑制。
  • 高频耦合/阻尼:在射频或开关电源中作为阻尼、旁路或噪声滤除元件。
    注:若电路对容量稳定性与温漂要求极高(如精密时钟、精密滤波器),建议选用 C0G/NP0 类陶瓷或薄膜电容。

四、封装、贴装与焊接建议

  • 封装:0402(约 1.0 mm × 0.5 mm),适合高密度布板。
  • 焊接工艺:按通用无铅回流曲线进行焊接(峰值温度约 260°C,严格依照元件厂商的回流曲线),避免超温或重复热冲击。
  • 贴装注意:元件应尽量靠近被去耦器件放置,焊盘应短而对称,焊点过大或过小均影响可靠性;避免在装配或调试时对器件施加弯折或压力,以防破裂。
  • 清洗与储存:按通用 SMD 焊后清洗规范处理,干燥库储存可降低吸湿及焊接缺陷风险。

五、选型与使用要点

  • 直流电压裕量:考虑 DC 偏压导致的降容,运行电压接近或高于标称电压时应留裕量或并联更大容量器件。
  • 并联策略:为覆盖不同频段的去耦效果,可与更小封装的高频电容或更大容量的电容并联使用。
  • 温度与环境:若长期工作在高温或高湿环境,应选取经过相应认证的元件并注意生命周期(老化与漂移)。
  • 检验与可靠性:量产前进行回流、热循环及机械振动测试以验证装配可靠性。

六、采购与替代建议

TDK 为可靠供应商,常规交付为卷带(tape & reel)包装,卷带数量依客户需求(常见 3k/5k/10k)。若需要替代,可在同规格(0402、X7R、1 nF、50 V、±10%)下查看 Murata、KEMET、Yageo 等厂商的产品线以满足成本或交期需求。选型时请比对温度系数、直流偏压特性、老化率及封装厚度等关键参数,并优先参照最新厂商数据表。

总结:C1005X7R1H102KT000F 在微型化电路中提供了良好的高频去耦与 EMI 抑制能力,是电源去耦、旁路与噪声抑制的常用选择。设计时重点关注直流偏压降容、温漂及安装应力以确保长期稳定性。

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