TDK贴片电容 C1608X7R1C474K080AC 详解:参数、应用与常见问题
产品概述
C1608X7R1C474K080AC 是TDK公司生产的一款0603封装(1608尺寸)X7R特性多层陶瓷贴片电容(MLCC),具有16V耐压、470nF(0.47μF)容量、±10%精度,广泛应用于消费电子、通信设备、电源管理等领域。谷京科技作为专业电子元器件供应商,提供原厂品质、快速交期,满足您的采购需求。来了解下深圳谷京吧:136--1307--7949(魏信同号)
关键参数解析
参数 | 规格 | 说明 |
---|---|---|
型号 | C1608X7R1C474K080AC | TDK标准编码 |
封装尺寸 | 0603(1608 metric) | 1.6mm × 0.8mm(长×宽) |
电介质类型 | X7R | 稳定型陶瓷介质,适用于一般电子设备 |
额定电压 | 16V DC | 最大工作电压16V |
容量 | 470nF(0.47μF) | 47 × 10⁴ pF(代码474) |
容差 | ±10%(K) | 容量允许波动范围 |
温度范围 | -55°C ~ +125°C | 符合X7R特性 |
制造商 | TDK | 原厂品质保证 |
X7R特性说明
- •
X7R 属于Class II陶瓷电介质,具有中等稳定性,适用于温度变化不极端的环境(如消费电子、电源滤波)。
- •
在-55°C ~ +125°C范围内,容量变化约为±15%(但实际产品标称容差为±10%)。
- •
相比COG/NPO(Class I),X7R容量更大,但稳定性稍低;相比Y5V/Z5U(Class III),X7R更可靠。
应用场景
- 1.
电源去耦 & 滤波(如DC-DC转换器、LDO稳压器)
- 2.
信号耦合 & 旁路(如音频电路、传感器电路)
- 3.
消费电子(手机、平板、穿戴设备)
- 4.
通信设备(路由器、交换机、基站)
- 5.
汽车电子(非高温极端环境)
常见问题(FAQ)
Q1:C1608X7R1C474K080AC的容量是多少?
- •
470nF(即0.47μF),编码规则:474 = 47 × 10⁴ pF = 470,000 pF = 470nF。
Q2:这款电容的耐压是多少?
- •
16V DC,建议工作电压不超过额定值的50%~80%以延长寿命。
Q3:X7R和COG/NPO有什么区别?
特性 | X7R | COG/NPO |
---|---|---|
稳定性 | 中等(容量随温度变化±15%) | 极高(容量几乎不变) |
容量范围 | 较大(nF~μF级) | 较小(pF~nF级) |
适用场景 | 一般电子电路 | 高精度电路(如振荡器、滤波) |
Q4:0603封装的焊接注意事项?
- •
推荐回流焊,避免手工焊接温度过高(建议<260°C)。
- •
避免机械应力,防止PCB弯曲导致电容开裂。
Q5:如何辨别正品TDK电容?
- •
正规渠道采购(如谷京科技提供原厂包装和可追溯的COO编码)。
- •
外观检查:TDK电容印刷清晰,无模糊或偏移。
为什么选择谷京科技?
✅ 原厂品质:严格筛选,确保与TDK原厂一致
✅ 快速交期:现货库存,支持小批量/大批量采购
✅ 技术支持:免费选型指导,提供替代方案
✅ 性价比高:直销模式,减少中间环节成本
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