RTP35
功率型 厚膜 无感 电阻器 Power type Thick film Non inductive Resistor
l 安装在散热器，于 25℃时，额定功率达 35 瓦 ；在不使用散热片，25℃常温下，额定功率是 2.5 瓦
Installed on the radiator, with a rated power of 35 watts at 25 ℃; The rated power is 2.5 watts at room temperature of 25 ℃ without using heat sinks
l TO-220 功率型封装
TO-220 power type package
l 只用一颗螺丝，便可以安装于散热器上
With just one screw, it can be installed on the radiator
l 导电部分和金属底板绝缘，高绝缘度
The conductive part is insulated from the metal substrate, with high insulation level
l 保护性高的模压塑胶封外盒，且易于安装
Highly protective molded plastic outer box, and easy to install
l 无感设计 Sensorless design
射频功率放大器、缓冲电路、交换式电源供应、自动化控制器、不间断电源、电压调节、低能量脉冲载入、 UPS 等
RF power amplifier, buffer circuit, switched power supply, automation controller, uninterruptible power supply, voltage regulation, low-energy pulse loading, UPS，etc
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 |
©2025 V1.0
RTP35
功率型 厚膜 无感 | 电阻器 | Power type | Thick film Non inductive Resistor | ||||||||||||
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 | ||||||||||||||
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 | |||||||||||||||
RTP35 | ≥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 | ||||||||||||||
©2025 V1.0
RTP35
功率型 厚膜 无感 电阻器 | Power type | Thick film Non inductive Resistor | |||
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% | ||||