MKK 无感绕线电阻器:属于高性能之低电感量电阻器,适用于低电感量要求之较大功率回路。常用于强电感位区,和电感性能敏感区。
項目 Item |
規格值 Performance |
試驗方法(依據JIS C 5202) Test methods (Conform to JIS C 5202) |
溫度係數 Temperature coefficient |
±300PPM/℃以內。 within±300PPM/℃ |
5.2項參照 Comply with 5.2
R0:室溫(T0)所測量之電阻值。 R1:室溫+100℃(T1)後所測量之電阻值。 R0: Resistance value at room temp. (T0). R1: Resistance value at room temp. plus 100℃(T1). |
短時間過負荷 Short time overload |
±(2%+0.05Ω)以內。 不得有機械的損傷。 within±(2%+0.05Ω) No evidence of mechanical damage. |
5.5項參照 Comply with 5.5
額定電力的10倍, 5秒。 10 times of rated wattage for 5 seconds |
絕緣抵抗 Insulation resistance |
1,000MΩ以上。 1,000MΩor more |
5.6項參照 Comply with 5.6 置於V型槽方法。 施加直流電壓500V 60秒。 V-block method Resistor shall be tested at DC 500V for 60 seconds. |
耐電壓 Dielectric withstanding voltage |
無電弧放電、燒損及絕緣破壞等異狀。 No evidence of flashover mechanical damage, arcing or insulation breakdown. |
5.7項參照 Comply with 5.7 常壓,置於V型槽方法。 施加個別規定之交流電壓60秒。(見表-1) Constant pressure, V-block method Resistor shall be tested at AC potential respectively for 60 seconds.(See table-1) |
斷續過負荷 Pulse overload |
±(2%+0.05Ω)以內。 within±(2%+0.05Ω) |
5.8項參照 Comply with 5.8
額定電壓X 4倍, 10000回(1秒ON, 25秒OFF)。 Rated voltage X 4 times, 10000 cyc.(1s ON, 25s OFF) |
端子強度 Terminal strength |
端子不得斷裂及鬆弛。 No evidence of mechanical damage. |
6.1項參照 Comply with 6.1 引張強度:25N(2.5Kgf),保持10秒。 Tensile strength: 25N(2.5kgf), for 10 seconds. 扭轉強度:360°交互迴轉5回。 Torsional strength: Rotated through 360°, 5 rotations. |
項目 Item |
規格值 Performance |
試驗方法(依據JIS C 5202) Test methods (Conform to JIS C 5202) |
焊錫耐熱性 Resistance to soldering heat |
±(2%+0.05Ω)以內。 不得有機械的損傷。 within±(2%+0.05Ω) No evidence of mechanical damage. |
6.4項參照 Comply with 6.4 350±10℃, 3+0.5/-0秒,試驗後放置3小時。 350±10℃, 3+0.5/-0s After test leave for 3h. |
焊錫附著性 Solderability |
導線至少95%以上新錫覆蓋。 Covered with new solder by 95% at least. |
6.5項參照 Comply with 6.5 焊錫溫度:235±5℃。 浸錫時間:5±0.5秒。 Test temperature of solder: 235±5℃ Dipping time in solder:5±0.5s |
耐溶劑性 Resistance to solvent |
塗裝及色碼不得脫落。 No deterioration of protective coating and markings. |
6.9項參照 Comply with 6.9 放入異丙醇溶劑之超音波機內,保持3分鐘。 Specimens shall be immersed in a bath of isopropyl alcohol completely for 3 minutes with ultrasonic. |
溫度循環 Temperature cycle |
±(2%+0.05Ω)以內。 不得有機械的損傷。 within±(2%+0.05Ω) No evidence of mechanical damage. |
7.4項參照 Comply with 7.4 低溫側:-55℃/30分,室溫:10~15分鐘 高溫側:+85℃/30分,室溫:10~15分鐘 5回 Low side:-55℃/30min, Room temp.:10 to 15min High side:85℃/30min, Room temp.:10 to 15min 5 cycles |
耐濕負荷壽命 Load life in humidity |
±(5%+0.05Ω)以內。 within±(5%+0.05Ω) |
7.9項參照 Comply with 7.9 40±2℃,濕度90~95%, 1000小時 定格電壓(90分鐘ON, 30分鐘OFF) 40±2℃, 90 to 95%RH, 1000h Rated voltage (90 min ON, 30 min OFF) |
負荷壽命 Load life |
±(5%+0.05Ω)以內。 within±(5%+0.05Ω) |
7.10項參照 Comply with 7.10 70±3℃,1000小時 定格電壓(90分鐘ON, 30分鐘OFF) 70±3℃,1000h Rated voltage (90 min ON, 30 min OFF) |
不燃性 Incombustibility |
沒有出現火炎。 No evidence of flame. |
7.12項參照 Comply with 7.12 16倍額定電力,5分鐘。 16 times of rated wattage for 5 min. |
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绕线电阻性能,绕线电阻是用镍铬线或锰铜线、康铜线绕在瓷管上制成的,分固定式和可调试两种。
绕线电阻器的特性
1.不燃性绕线涂装电阻器 2.耐高压冲击
3.散热快
4.短时间过负载性能好
5.低杂音
6.阻值经年无变化
7.误差范围:±5%, ±2%, ±1%
8.功率范围:1/2W ~ 10W
绕线电阻器的优缺点
详细说明
保险丝电阻器 额定电力 POWER RATING 最高使用电压 MAXIMUN WORKING VOLTAGE 最高过负荷电压 MAXIMUN OVERLOAD VOLTAGE DIMENSIONS(mm) 阻值范围 RESISTANCE RANGE L D H d±0.02 5% 14W 200V 400V 6.0±0.5 2.3±0.5 28±2.0 0.52 1Ω-1KΩ 12W 250V 300V 9.0±0.5 3.2±0.5 26±2.0 0.60 1Ω-1KΩ 1W 300V 500V 11.0±0.5 4.2±0.5 35±3.0 0.75 1Ω-1KΩ 2W 350V 500V 15.0±1.0 5.0±0.5 33±3.0 0.75 1Ω-1KΩ 3WS 500V 500V 15.0±1.0 5.0±0.5 33±3.0 0.75 1Ω-1KΩ