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UNI-ROYAL 0603WAF4993T5E
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UNI-ROYAL 0603WAF4993T5E
- Type
- UNI-ROYAL
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNI-ROYAL
- Electronic Component
- 0603WAF4993T5E
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.023g
- Electronic Component
- 499kΩ
- Electronic Component
- 10
- Electronic Component
- BM0257341385
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 75V
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
0603WAF4993T5E 产品概述
一、产品简介
0603WAF4993T5E 为 UNI-ROYAL（厚声）系列的贴片厚膜电阻，封装规格为 0603（公制 1608）。标称阻值 499kΩ，精度 ±1%，额定功率 100mW，适用于对体积和稳定性有要求的表面贴装电路。
二、主要特性
- 阻值：499kΩ（±1%）
- 功率：100mW，工作电压上限 75V
- 温度系数（TCR）：±100ppm/℃，温度响应可控，适合中等精度场合
- 工作温度范围：-55℃ 至 +155℃
- 结构：厚膜陶瓷基片，适配标准 SMD 贴装工艺
三、典型应用
适用于微小电流与高阻抗电路，如：
- 传感器信号采集的上拉/下拉电阻
- 滤波器与偏置网络中的大阻值元件
- 耗散低、空间受限的便携设备与通信终端
四、电气与环境参数
此型号以高阻值、低功耗为特点，TCR ±100ppm/℃在温度变化时会产生可预见的阻值漂移。工作电压 75V 及 100mW 功率限制要求在高电压或高功耗场合需谨慎选用并做适当降额。
五、封装与安装建议
- 封装 0603，适配常见 0603 PCB 焊盘布局；建议参考制造商推荐的焊盘尺寸以保证可靠焊接。
- 兼容常规无铅回流焊工艺，焊接时注意回流曲线与峰值温度以保护器件。
- 储存与贴装过程中注意防潮与防静电措施，避免机械应力集中。
六、选型及注意事项
- 若电路中存在较高瞬态或直流电压，应核算电阻两端实际电压，避免超过 75V 极限；必要时采用更高电压等级或串联分压方案。
- 在高精度或宽温度范围场合，考虑更低 TCR 或更高精度的型号。
- 对可靠性有更高要求时，可与供应商确认批次、老化与温度循环测试数据。
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