商鋪名稱：深圳市華鑫歐電子有限公司
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功率型 厚膜 無感 電阻器 Power type Thick film Non inductive Resistor
l 電阻器的高度在端子面極低，為 11.8mm，端子為銅板襯套可直接用 M4 螺釘安裝。
The height of the resistor is extremely low on the terminal surface, at 11.8mm, and the terminal is a copper plate bushing that can be directly installed with M4 screws.
l SOT-227 標準封裝
SOT-227 standard packaging
l 可以用 2 個 M4 螺釘簡單地安裝。
It can be easily installed with 2 M4 screws.
l 阻值范圍寬、體積小、功率大、耐熱性好
Wide resistance range, small size, high power, good heat resistance
l 端子的數(shù)量標準為 4 個，可以變更為 2 個、3 個。
The standard quantity of terminals is 4, which can be changed to 2 or 3.
主要應用于變速驅(qū)動器、供電、 控制設備、通訊、自動控制、發(fā)動機控制等。適合逆變器電路、脈沖電路、高頻電路。
Mainly used in variable speed drives, power supply, control equipment, communication, automatic control, engine control, etc. Suitable for inverter circuits, pulse circuits, and high-frequency circuits.
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額定功率 |
阻值范圍 |
阻值允許偏差 |
電阻溫度系數(shù) |
最大工作電壓 |
耐電壓 |
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Rated |
Resistance |
Resistance |
Temperature coefficient |
Maximum working |
Withstanding |
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power |
range |
Tolerance |
（PPM/℃） |
voltage |
voltage |
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200W |
0.1Ω-1MΩ |
±1% 、±2% |
±50、±100、±250 |
500VDC |
4000VDC |
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±5% 、±10% |
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©2025 V1.0
功率型 厚膜 無感 電阻器 Power type Thick film Non inductive Resistor
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試驗項目 |
試驗條件 |
性能指標 |
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Test items |
Experimental conditions |
Performance indicators |
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溫度快速變化 |
-55℃～+155℃，經(jīng)五次循環(huán)；極限溫度暴露時間： |
電阻器應無可見損傷且標志清楚 |
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30 分鐘；轉(zhuǎn)換時間：1～2 分鐘 |
The resistor should have no visible |
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Rapid temperature |
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-55 ℃ to+155 ℃, after five cycles; Extreme temperature |
damage and clear markings, |
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changes |
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exposure time: 30 minutes; Conversion time: 1-2 minutes |
△R≤±（0.5%R+0.05Ω） |
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溫度系數(shù) |
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TCR 在±150X10-6/K 之內(nèi) |
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Temperature |
-55℃～+155℃ |
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TCR within ± 150X10-6/K |
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coefficient |
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正常氣候條件下，在電阻器的金屬散熱板與引出端之間 |
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測試絕緣電阻，試驗電壓（直流）為 500±5V |
絕緣電阻應≥10GΩ |
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絕緣電阻 |
Under normal weather conditions, test the insulation |
The insulation resistance should be |
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Insulation resistance |
resistance between the metal heat dissipation plate of the |
≥10GΩ |
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resistor and the lead out terminal, with a test voltage (DC) |
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of 500 ± 5V |
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施加額定功率 2 倍的直流電壓（Us≤1.5Umax） |
電阻器應無可見損傷且標志清楚 |
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過載 |
時間為5秒 |
The resistor should have no visible |
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Overload |
Apply a DC voltage of twice the rated power |
damage and clear markings, |
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(Us ≤ 1.5 Umax) for 5 seconds |
△R≤±（0.5%R+0.05Ω） |
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穩(wěn)態(tài)濕熱 |
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電阻器應無可見損傷且標志清楚 |
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溫度：40±2℃；濕度 95%；時間：56 天 |
The resistor should have no visible |
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Damp heat steady |
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Temperature: 40 ± 2 ℃; Humidity of 95%; Time: 56 days |
damage and clear markings, |
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state |
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△R≤±（0.5%R+0.05Ω） |
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施加電壓：額定功率直流電壓（UR≤U max） |
電阻器應無可見損傷且標志清楚 |
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壽命 |
1.5 小時通電，0.5 小時斷電，總時長 1000 小時 |
The resistor should have no visible |
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Life |
Applied voltage: rated power DC voltage (UR ≤ U max), |
damage and clear markings, |
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powered on for 1.5 hours, powered off for 0.5 hours, total |
△R≤±（0.5%R+0.05Ω） |
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duration 1000 hours |
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電阻器無擊穿或飛弧現(xiàn)象，漏電流 |
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耐電壓 |
施加交流有效值電壓 4000V，時間為 1 分鐘±5 秒 |
≤10mA |
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Withstanding |
Apply an effective AC voltage of 4000V for 1 minute ± 5 |
The resistor has no breakdown or |
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voltage |
seconds |
arcing phenomenon, and the |
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leakage current is ≤ 10mA |
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按 GB/T2423.10-2019 要求進行試驗，振動頻率為 |
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10Hz,振幅 0.35mm，加速度 50m/s2,每個方向 2 次掃頻， |
電阻器塑封體應無機械損傷，阻值 |
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振動 |
3 個方向，每個方向持續(xù)時間 23 分鐘 |
變化在±2%R+0.05Ω之內(nèi) |
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Vibrate |
Conduct the test according to the requirements of |
The plastic casing of the resistor |
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GB/T2423.10-2019, with a vibration frequency of 10Hz, |
should have no mechanical |
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amplitude of 0.35mm, acceleration of 50m/s 2, 2 frequency |
damage, and the resistance change |
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scans in each direction, 3 directions, and a duration of 23 |
should be within ± 2% R+0.05 Ω |
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minutes in each direction |
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©2025 V1.0
功率型 厚膜 無感 電阻器 Power type Thick film Non inductive Resistor
l 左下角引出端為 1 號引出端，按順時針旋轉(zhuǎn)分別為 3 號、4 號、2 號引出端
The lead out terminal in the lower left corner is the first lead out terminal, which rotates clockwise to become the second, third, and fourth lead out terminals, respectively
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產(chǎn)品類型 |
功率 |
電路結(jié)構(gòu) |
阻值 |
精度 |
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Product type |
Power |
Circuit |
Resistance |
Accuracy |
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3R9=3.9Ω |
F： ±1% |
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RTP |
200 Watts |
Number 3 |
10R=10Ω |
G： ±2% |
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20K=20KΩ |
J： ±5% |
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K： ±10% |
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©2025 V1.0
功率型 厚膜 無感 電阻器 Power type Thick film Non inductive Resistor
l 電阻器通過 M4 螺絲安裝在散熱器上，螺絲安裝扭矩為 2N.m，應確保產(chǎn)品安裝緊固，無晃動。另外應為螺絲配套防松組件，如：平墊、彈墊、防松螺母等。
l The resistor is installed on the heat sink with M4 screws, and the installation torque of the screws is 2N. m. It should be ensured that the product is installed firmly without shaking. In addition, screws should be equipped with anti loosening components such as flat washers, spring washers, anti loosening nuts, etc.
l 電阻器引出端電氣安裝使用的是 M4 螺絲，螺絲安裝扭矩為 1.3N.m，應確保電氣連接緊固，無晃動。另外應為螺絲配套防松組件，如：平墊、彈墊等，防止振動造成電氣連接松脫。
l M4 screws are used for the electrical installation of the resistor lead out end, with a torque of 1.3N. m. It should be ensured that the electrical connection is tight and there is no shaking. In addition, screws should be equipped with anti loosening components, such as flat washers, spring washers, etc., to prevent electrical connections from loosening due to vibration.
l 電阻器與安裝面之間需要均勻的涂覆一層導熱硅脂，推薦使用導熱系數(shù) 1W/mK 的導熱硅脂產(chǎn)品。
l A uniform layer of thermal grease should be applied between the resistor and the installation surface. It is recommended to use thermal grease products with a thermal conductivity of 1W/mK.
l 產(chǎn)品在貯存期間，應貯存在環(huán)境溫度為-10℃～+45℃，相對濕度不大于 85% ，通風、干燥、周圍無酸堿或其他有害物質(zhì)的倉庫內(nèi)。
l During storage, the product should be stored in a warehouse with an ambient temperature of -10 ℃ to+45 ℃, a relative humidity of no more than 85%, ventilation, dryness, and no acidic, alkaline, or other harmful substances around it
