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ROHM KTR25JZPF3302
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ROHM KTR25JZPF3302
- Type
- ROHM
- Minimum package
- 4000 圆盘
Technical parameters
- Power
- 333mW
- Electronic Component
- Electronic Component
- Electronic Component
- ROHM
- Electronic Component
- KTR25JZPF3302
- Electronic Component
- 1
- Package
- 1210
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.028g
- Electronic Component
- 33kΩ
- Electronic Component
- 1
- Electronic Component
- BM0230803332
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 600V
- 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.
KTR25JZPF3302 产品概述 — ROHM（罗姆）1210贴片厚膜电阻
一、产品基本信息
KTR25JZPF3302 为 ROHM（罗姆）出品的 1210 封装贴片厚膜电阻。主要参数：阻值 33 kΩ，精度 ±1%，额定功率 333 mW，最高允许工作电压 600 V，温度系数（TCR）±100 ppm/℃，工作温度范围 -55 ℃ 至 +155 ℃。封装尺寸对应业界 1210（约 3.2 × 2.5 mm），适合自动贴装与回流焊工艺。
二、主要特性与优点
- 精度高：±1% 满足多数精密分压、偏置与滤波网络的需求。
- 高耐压：600 V 的工作电压适用于高电压隔离与测量场合。
- 宽温区与稳定性：-55 ℃ 至 +155 ℃ 的工作温度与 ±100 ppm/℃ 的 TCR 在工业级应用中表现出良好稳定性。
- 贴片封装：1210 大小兼顾功率与体积，适用于有限空间内的散热需求。
三、典型应用场景
- 电源输入/输出的分压与电压检测（高电压监测、采样电阻）。
- 模拟信号回路的偏置与限流电阻。
- 工业控制、仪器仪表、汽车电子（非安全关键电路）以及消费电子中的高压电路部分。
- 测试测量设备中需要高耐压且稳定阻值的场合。
四、热/电设计与降额建议
- 在实际电路中应考虑功率降额：333 mW 为在规定环境温度与散热条件下的额定值，高温或受限散热时需适当降功率使用。
- 注意焊盘设计与散热路径，扩大铜箔面积可改善散热，降低结温。
- 长期可靠运行建议在额定功率的 60%–80% 区间内设计余量，尤其在高环境温度时。
五、封装与可靠性
- 1210 贴片适配自动化贴装、回流焊流程，ROHM 品控保证批次一致性。
- 常见可靠性试验包括：温度循环、湿热、振动与潮湿热贮存等，符合工业级元件可靠性要求。使用时注意避免机械应力集中与过度弯曲 PCB。
六、选型与使用注意
- 若对温漂或精度有更高要求，可选用更低 TCR 或更高精度（0.5% 或 0.1%）的型号。
- 高电压快速脉冲场合需咨询厂商数据手册中的脉冲功率与耐压冲击规范。
- 供应链选择正规渠道采购以保证真品与一致性，并参考 ROHM 的数据手册获取详细电气特性曲线与封装图纸。
总结：KTR25JZPF3302 是一款兼顾高耐压、良好精度与工业温度范围的厚膜贴片电阻，适用于多种高压测量与分压场合，合理的热设计与降额使用能显著提升长期可靠性。若需详细数据（阻值容差分布、阻温曲线、脉冲能力等），建议查阅 ROHM 官方数据手册或联系供应商获取完整规格书。
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