RTP35S
功率型 厚膜 无感 电阻器 Power type Thick film Non inductive Resistor
l 安装在散热器，底板中心温度≤25℃，额定功率 35W；在不使用散热片，25℃常温下，额定功率是 2.5W
Installed on the radiator, the center temperature of the bottom plate is ≤ 25 ℃, and the rated power is 35W; The rated power is 2.5 watts at room temperature of 25 ℃ without using heat sinks
l 表面贴装（SMD）TO-263 模压封装
Surface mount (SMD) TO-263 molded package
l 加散热片后，热阻 Rth＜4.28ºK/W
After adding heat sinks, the thermal resistance Rth is less than 4.28ºK/W
l 可承受回流焊温度 205℃/10S
Can withstand reflow soldering temperature of 270 ℃/10S
l 导电部分和金属底板绝缘
Conductive parts and metal substrate insulation
开关电源、减震器电路、自动机器控制器、射频功率放大器、低能量脉冲负载-UPS、电压调节
Switching Power Supplies、Snubbers Circuits、Automated Machine Controller、RF Power Amplifiers、Low Energy Pulse Loading - UPS、Voltage Regulatio
©2025 V1.0
RTP35S
功率型 厚膜 无感 电阻器 Power type Thick film Non inductive Resistor
1 | 铜散热片 | Radiator Fin |
2 | 氧化铝基板 | Alumina Substrate |
3 | 电阻层 | Resistor Layer |
4 | 铜脚 | Copper Lead |
5 | 模压封装 | Molding |
测试项目 | 基本要求 | 测试方法 | |
Test project | Basic Requirements | Test Method | |
短时间过负荷 | 2 倍额定功率，但不超过最大耐压的 1.5 倍，连续 5 秒钟 | ||
Short term overload | △R±0.3% | 2 times the rated power, but not exceeding 1.5 times the | |
maximum withstand voltage, for 5 consecutive seconds | |||
负载寿命 | △R±1.0% | 额定功率下 2000 小时 | |
Load Life | 2000 hours at rated power | ||
40±2℃、90～95%湿度下，在最大工作电压下维持 1000 小 | |||
耐湿测试 | △R±0.5% | 时（1.5 小时“开”，0.5 小时“关”） | |
Humidity test | Maintain 1000 hours at maximum operating voltage at 40 ±2 ℃ | ||
and 90-95% humidity (1.5 hours "on", 0.5 hours "off") | |||
焊接附著性 | 90%以上覆盖新锡 | 245±5℃持续 3 秒 | |
solderability | Over 90% coverage of new tin | 245 ± 5 ℃ for 3 seconds | |
热冲击测试 | △R±0.3% | -65℃～﹢150℃，100 次循环 | |
Thermal Shock | 65 ℃~+150 ℃, 100 cycles | ||
引线强度 | △R±0.2% | （拉力测试）2.4 牛顿 | |
Lead strength | (Tensile test) 2.4 Newtons | ||
高频震动 | △R±0.2% | 20 公克震动 | |
High-frequency vibration | 20 grams of vibration | ||
绝缘强度 | △R±0.15% | 1800V AC，60 秒 | |
Dielectric Strength | 1800V AC，60 seconds | ||
温度循环 | ΔR±0.3% | -65°C~+150°C，1000 次循环 | |
Temperature Cycling | -65°C~+150°C, 1000 cycles | ||
©2025 V1.0
RTP35S
功率型 厚膜 无感 电阻器 Power type Thick film Non inductive Resistor
型号 | 阻值范围 Resistance Range | 温度系数 | ||||||||
Type | ±0.5% | ±1% | ±5% | TCR（PPM/℃） | ||||||
/ | ≥0.1Ω～1Ω | ±300 | ||||||||
/ | ≥1Ω～5Ω | ±100 | ||||||||
±200 | ||||||||||
RTP35S | ≥5Ω～10Ω | |||||||||
±300 | ||||||||||
±50 | ||||||||||
≥10Ω～100KΩ | ±100 | |||||||||
±200 | ||||||||||
最大工作电压 Maximum operating voltage | 350VDC | |||||||||
耐电压 Voltage endurance | 1800VAC | |||||||||
绝缘电阻 Insulation resistance | 10GΩ min | |||||||||
工作温度范围 Working temperature range | - 55 ° C～+150 ° C | |||||||||
产品类型 | 功率 | 阻值 | 精度 |
Product type | Power | Resistance | Accuracy |
RTP | 35 Watts | 3R9=3.9Ω | D：±0.5% |
10R=10Ω | F：±1% | ||
20K=20KΩ | J：±5% | ||