被漆功率瓷管電阻器 Coated High Power Ceramic Tube Resistors HR series ■過負荷能力強，熱穩(wěn)定性好，使用壽命長 Good overload and heat-durability capacity,the use life is longer then the others. ■表面涂漆為綠色不然性面漆 The resistors surface iscoated in green. ■電器性能、機械性能Electrical and mechanical characteristics 特性 Characteristics 規(guī)格值 Standards 測試方法 Test methods 阻值及阻值誤差 Resistance and Resistance tolerance 阻值允許誤差 Resistance tolerance 5% (J) 阻值將根據(jù)如下表格中所施加的電壓值后進行測量。Resistance shall be measured using the applied voltage values of the following table. Nominal resistance range 公稱阻值范圍(Ω) Maximum applied voltage 印加電壓(最高值)(V) R 1 0.1 100K≤R 30M 30 溫度系數(shù) Temperature coefficient 300ppm 在常溫及常溫 100℃時分別測量電阻并計算每度的阻值變化率。Test the resistance value at normal temperature and normal temperature added 100℃,calculate per℃ resistance value change rate . 額定功率 Power rating load △R/R≦ (1%＋0.05Ω) 表面溫升(temperature) 350℃ Max. 在受試電阻上加30分鐘的額定電壓the power rating is applied to the resistor kept horizontally for 30 min. 短時間過負荷 Short-time overload △R/R≦ (2% 0.05Ω) 10倍額定電壓測試5秒。At 10 rated voltage for 5 seconds. 絕緣阻值 Insulation resistance ≥100MΩ DC500V 絕緣電壓 Dielectric withstanding voltage 無火花、燒損或絕緣破壞等異?，F(xiàn)象。 Without damage by flash-over, fire. or breakdown, etc. ≥AC2000V，60秒（sec.） 端子強度 Terminal strength 無機械損傷 no evidence of mechanical damage 張力(Pull)：196N ， 30 5 秒seconds 電阻體強度 Resistor strength 無機械損傷 no evidence of mechanical damage 294N，30 5秒seconds ■耐候性Environmental charactaristics 特性 Characteristics 規(guī)格值 Standards 測試方法 Test methods 耐熱性 Heat resistance △R/R≦ (1% 0.05Ω) 在375 10℃錫爐中浸2~3秒 Immerge into 375 10℃ tin stove for 2~3 seconds. 熱沖擊 Thermal shock △R/R≦ (2% 0.05Ω) -55℃/30分鐘（min.）→ 25℃/15分鐘（min.）→ 125℃/30分鐘（min.）→ 2515分鐘（min. 共5個循環(huán) total 5 cycles. 耐溫負荷壽命 Power rating load △R/R≦ (5% 0.05Ω) 在溫度為40 2℃，相對濕度為90~95%的恒溫恒濕箱中，施加額定電壓或最大工作電壓（取較小者）共1000小時（通1.5小時，斷0.5小時）。Overload rated voltage or Max.working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off ) at the 40 2℃ and 90~95% relative humidity. 耐溫負荷壽命 Load life in heat △R/R≦ (5% 0.05Ω) 在70 2℃恒溫恒濕箱中施加額定電壓或最大工作電壓（取較小者）1000小時（通1.5小時，斷0.5小時）。Overload rated voltage or Max.working voltage (get the lower ) for 1000 hours (1.5 hours on and half-hour off) at the 70 2℃. ●形狀 尺寸Configuration(mm) 功率 Power 尺寸Dimensions(mm) 阻值范圍 Resistance range 規(guī)格 Standards L1 1 L2 2 L3 2 L4 2 H1 1 H2 2 W 1 T 0.5 F 0.3 10W 28 47 57 67 25 39 12 5.2 3.0 0R1-2K5 A/B 20W 39 60 80 100 34 51 20 5.2 3.0 0R1-10K A/B 25W 39 60 80 100 34 51 20 5.2 3.0 0R1-10K A/B 30W 59 80 100 120 34 51 20 5.2 3.0 0R1-16K A/B 40W 76 97 117 137 34 51 20 5.2 3.0 0R1-20K A/B 50W 78 102 122 142 43.5 65 28 6.2 4.5 0R1-28K A/B