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FH RS-05K101JT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FH RS-05K101JT
- Type
- FH
- Minimum package
- 5000
Technical parameters
- Power
- 125mW
- Electronic Component
- FH
- Electronic Component
- RS-05K101JT
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.027g
- Electronic Component
- 100Ω
- Electronic Component
- 1
- Electronic Component
- BM0227360635
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 150V
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RS-05K101JT 产品概述
一、产品简介
RS-05K101JT 为风华（FH）系列贴片厚膜电阻，封装为 0805（2012 英制），标称阻值 100Ω，阻值允许值 ±5%，额定功率 0.125W（125mW），最高工作电压 150V。温度系数为 ±100ppm/℃，工作温度范围 -55℃ 至 +155℃。该器件面向通用电子电路中的信号与低功率分流、限流、阻抗匹配等场景。
二、主要特性
- 厚膜工艺，成本与批量一致性良好，适合大批量常规应用。
- 0805 小体积封装，便于高密度 PCB 布局。
- ±5% 精度满足多数模拟/数字应用的通用配线需求。
- 宽温工作范围（-55℃ 至 +155℃），适应较严苛环境温变要求。
- 温度系数 ±100ppm/℃，在中低精度测量回路中表现稳定。
三、电气与热性能注意事项
- 额定功率 125mW 为在规定环境温度下的额定值，实际使用中需考虑功率随环境温度上升的降额效应，建议参考厂方功率-温度曲线进行设计降额。
- 最高工作电压 150V，为器件可承受的最大直流或有效值电压，实际电路中应注意瞬态、浪涌和爬电距离。
- 由于封装与材质限制，长期大电流或频繁热循环会影响阻值稳定性，关键电路应留裕量或选用更高额定功率/低温漂器件。
四、典型应用场景
- 数字电路中的上拉/下拉电阻、限流电阻。
- 模拟电路中非精密分压、反馈网络和阻抗匹配。
- 低功率传感与信号调节场合，不适合作为功率取样高精度电阻。
- 消费类电子、仪器仪表、通信终端等对体积和成本敏感的场景。
五、封装与焊接建议
- 0805（2012）封装在 SMT 贴装与无铅回流工艺中应用广泛，建议按照 PCB 制造商和回流材料供应商的温度曲线进行焊接，避免过高峰值温度与超时回流。
- PCB 布局时避免在电阻两端设计过大散热铜箔（若不希望影响热稳定性）；若需更好散热，可适当增加铜面积，但需验证阻值漂移。
- 对于高精度或低阻值场合，应注意焊盘与焊接工艺带来的热 EMF 与接触不良问题。
六、可靠性与质量控制
- 厚膜电阻通常通过温度循环、焊接热冲击、机械粘贴强度与湿热试验等可靠性测试。具体寿命与漂移需参照厂方检验报告。
- 大规模生产时建议抽样验证阻值分布、温漂及焊接后的阻值漂移，确保与设计容差匹配。
七、选型与替代建议
- 若电路对精度或温漂有更高要求，可考虑精密薄膜电阻或更低 TCR（如 ±25ppm/℃）的型号。
- 需要更高功率承受能力时，可向更大封装（1206、1210 及以上）或金属膜/合金片电阻倾斜。
- 在高压脉冲或严苛环境下，应选用专用高能脉冲型或高可靠性电阻，并咨询厂方技术支持。
如需我帮助生成产品引脚尺寸图、典型应用电路建议或同类替代型号对比表，可告知具体需求与使用环境条件，我会据此进一步给出推荐。
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