商鋪名稱：深圳市華鑫歐電子有限公司
聯(lián)系人：吳偉（先生）
聯(lián)系手機：
固定電話：
企業(yè)郵箱：szhxwuwei2008@163.com
聯(lián)系地址：深圳市寶安區(qū)石巖鎮(zhèn)洲石路石頭山工業(yè)區(qū)2號廠房3樓
郵編：518108
聯(lián)系我時，請說是在五金機電網(wǎng)上看到的，謝謝！
功率型 厚膜 無感 電阻器 Power type Thick film Non inductive Resistor
l 安裝在散熱器，于 25℃時，額定功率達 35 瓦 ；在不使用散熱片，25℃常溫下，額定功率是 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 功率型封裝
TO-220 power type package
l 只用一顆螺絲，便可以安裝于散熱器上
With just one screw, it can be installed on the radiator
l 導(dǎo)電部分和金屬底板絕緣，高絕緣度
The conductive part is insulated from the metal substrate, with high insulation level
l 保護性高的模壓塑膠封外盒，且易于安裝
Highly protective molded plastic outer box, and easy to install
l 無感設(shè)計 Sensorless design
射頻功率放大器、緩沖電路、交換式電源供應(yīng)、自動化控制器、不間斷電源、電壓調(diào)節(jié)、低能量脈沖載入、 UPS 等
RF power amplifier, buffer circuit, switched power supply, automation controller, uninterruptible power supply, voltage regulation, low-energy pulse loading, UPS，etc
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銅散熱片 |
Radiator Fin |
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氧化鋁基板 |
Alumina Substrate |
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電阻層 |
Resistor Layer |
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銅腳 |
Copper Lead |
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模壓封裝 |
Molding |
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©2025 V1.0
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功率型 厚膜 無感 |
電阻器 |
Power type |
Thick film Non inductive Resistor |
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測試項目 |
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基本要求 |
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測試方法 |
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Test project |
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Basic Requirements |
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Test Method |
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短時間過負荷 |
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2 倍額定功率，但不超過最大耐壓的 1.5 倍，連續(xù) 5 秒鐘 |
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Short term overload |
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△R±0.3% |
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2 times the rated power, but not exceeding 1.5 times the |
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maximum withstand voltage, for 5 consecutive seconds |
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負載壽命 |
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△R±1.0% |
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額定功率下 2000 小時 |
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Load Life |
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2000 hours at rated power |
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40±2℃、90～95%濕度下，在最大工作電壓下維持 1000 小 |
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耐濕測試 |
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△R±0.5% |
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時（1.5 小時“開”，0.5 小時“關(guān)”） |
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Humidity test |
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Maintain 1000 hours at maximum operating voltage at 40 ±2 ℃ |
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and 90-95% humidity (1.5 hours "on", 0.5 hours "off") |
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焊接附著性 |
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90%以上覆蓋新錫 |
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245±5℃持續(xù) 3 秒 |
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Solderability |
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Over 90% coverage of new tin |
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245 ± 5 ℃ for 3 seconds |
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熱沖擊測試 |
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△R±0.3% |
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-65℃～﹢150℃，100 次循環(huán) |
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Thermal Shock |
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65 ℃~+150 ℃, 100 cycles |
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引線強度 |
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△R±0.2% |
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（拉力測試）2.4 牛頓 |
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Lead strength |
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(Tensile test) 2.4 Newtons |
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高頻震動 |
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△R±0.2% |
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20 公克震動 |
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High-frequency vibration |
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20 grams of vibration |
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絕緣強度 |
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△R±0.15% |
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1800V AC，60 秒 |
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Dielectric Strength |
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1800V AC，60 seconds |
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溫度循環(huán) |
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ΔR±0.3% |
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-65°C~+150°C，1000 次循環(huán) |
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Temperature Cycling |
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-65°C~+150°C, 1000 cycles |
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型號 |
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阻值范圍 Resistance Range |
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溫度系數(shù) |
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Type |
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±0.5% |
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±1% |
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±5% |
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TCR（PPM/℃） |
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/ |
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≥0.1Ω～1Ω |
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±300 |
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/ |
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≥1Ω～5Ω |
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±100 |
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±200 |
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RTP35 |
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≥5Ω～10Ω |
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±300 |
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±50 |
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≥10Ω～100KΩ |
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±100 |
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±200 |
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最大工作電壓 Maximum operating voltage |
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350VDC |
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耐電壓 Voltage endurance |
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1800VAC |
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絕緣電阻 Insulation resistance |
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10GΩ min |
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工作溫度范圍 Working temperature range |
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- 55 ° C～+150 ° C |
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©2025 V1.0
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功率型 厚膜 無感 電阻器 |
Power type |
Thick film Non inductive Resistor |
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產(chǎn)品類型 |
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功率 |
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阻值 |
精度 |
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Product type |
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Power |
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Resistance |
Accuracy |
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RTP |
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35 Watts |
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3R9=3.9Ω |
D：±0.5% |
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10R=10Ω |
F：±1% |
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20K=20KΩ |
J：±5% |
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