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電阻 Resistor

Resistor Series SINLOON®
Description: Carbon Film - CFR Description: Cement Resistor - CM Description: Fixed Power - HPD
Power: 1/16W ~ 3W Power: 2W ~ 50W Power: 10W ~ 3KW
Resistance: 1R ~ 10M Ω Resistance: 0.1R ~ 47K Ω Resistance: 0.5R ~ 800K Ω
Tolerance: ±5% Tolerance: ±5% Tolerance: ±5%
碳膜電阻 水泥電阻 電力型功率電阻
Description: Metal Film - FML Description: Metal Film - FMF Description: Carbon Film - FCR
Power: 1/4W ~ 2WS Power: 2W ~ 50W Power: 1/4W - 3W
Resistance: 0.1R ~ 0.99 Ω Resistance: 10R ~ 1M Ω Resistance: 1R ~ 10M Ω
Tolerance: ±1%, ±5% Tolerance: ±1%, ±5% Tolerance: ±5%
低阻值不燃性金屬膜電阻 金屬膜電阻 不燃性碳膜電阻
Description: Forming Type Description: Fuse Resistor - FR Description: Heat Resistor - HWW
Power: 1/8W ~ 5W Power: 1/4W ~ 3WS Power: 1/2W - 10W
Resistance: Resistance: 1R ~ 1K Ω Resistance: 1R ~ 1K Ω
Tolerance: Tolerance: ±2%, ±5% Tolerance: ±5%
成型電阻 保險絲電阻 繞線發熱電阻
Description: Metal Film - HPMF Description: MELF Carbon - MCF Description: MELF Metal - MMF
Power: 1/4W ~ 1W Power: 1/8W ~ 3WS Power: 1/8WS ~ #WS
Resistance: 10R ~ 10M Ω Resistance: 1R ~ 10M Ω Resistance: 1R ~ 10M Ω
Tolerance: ±0.05%, ±1% Tolerance: ±5% Tolerance: ±1%, ±5%
高精密金屬膜電阻 碳膜晶圓電阻 金屬膜晶圓電阻
Description: Metal Surge - MAS Description: MELF Dimension Description: MELF Glaze - MMG
Power: 1/8W ~ 3W Power: Power: 1/4W ~ 3W
Resistance: 10R ~ 1G Ω Resistance: Resistance: 100K ~ 1M Ω
Tolerance: ±5%, ±10%,±20% Tolerance: Tolerance: ±1%,±2% ,±5%,±10%
脈衝型晶圓電阻(高壓) 保險絲晶圓電阻 玻璃釉高壓晶圓電阻
Description: High Ohm - MGHO Description: MELF Fuse - FRM Description: MELF Glaze - MMG
Power: 1/8W ~ 2WS Power: 1/8W ~ 3WS Power: 1/4W ~ 3W
Resistance: 100K ~ 50GK Ω Resistance: 1R ~ 5K Ω Resistance: 100K ~ 1M Ω
Tolerance: ±0.1%,±25%,±0.5% Tolerance: ±2%,±5% Tolerance: ±1%,±2% ,±5%,±10%
高精密金屬膜晶圓電阻 保險絲晶圓電阻 玻璃釉高壓晶圓電阻
Description: Small Precision - SPM Description: Molding Res.-HPMD Description: Metal Film - HPMF
Power: 1/8W ~ 4Wu Power: 1/4W - 1/2W Power: 1/4W-1W
Resistance: 10R ~ 1M Ω Resistance: 10R ~ 1M Ω Resistance: 10R ~ 1M Ω
Tolerance: ±0.1%,±25%,±0.5% Tolerance: ±0.02%,±0.05%,±0.1% Tolerance: ±0.05%.
小型化高精密金屬膜電阻 模壓高精密金屬膜電阻 高精密金屬膜電阻
Description: Zero Ohm - Jumper Description: Surge Resistor - SUR Description: Glezed Resistor - MG
Power: 1/8W ~ 2W Power: 1/2W ~ 2W Power: 1/8W~3WS
Resistance: Zero ohm Resistance: 3.3R ~ 1M Ω Resistance: 50K ~ 10G Ω
Tolerance: Tolerance: ±5%,±10%,±20% Tolerance: ±0.5%,±1%,±5%,±10%
零歐姆及跳線 脈衝型高壓電阻 玻璃釉(金屬)高壓高阻值電阻器
Description: Wire wound - WWR Description: Ultra Metal - UMR Description: Precision Metal - PMF
Power: 1/2W ~ 15W Power: 0.4W ~ 3W Power: 1/8W ~ 3WS
Resistance: 0.1R ~ 4.7K Ω Resistance: 1R ~ 10M Ω Resistance: 0.1R ~ 1M Ω
Tolerance: ±1%,±5%,±10% Tolerance: ±1%,±2%,±5% Tolerance: ±0.1%,±0.25%,±0.5%
繞線電阻 超小型化金屬膜電阻 高精密金屬膜電阻
Description: Metal Oxide  - MOS Description: Metal Film - MFS Description: Metal Film - MFR
Power: 1/2WS ~ 7WS Power: 1/4WS ~ 2W Power: 1/4WS ~ 2W
Resistance: 1R ~ 510K Ω Resistance: 0.1R ~ 100K Ω Resistance: 0.1R ~ 100K Ω
Tolerance: ±2%,±5%,±10% Tolerance: ±1%,±2%,±5% Tolerance: ±1%,±5%.
小型化氧化膜電阻器 小型化高精密金屬膜電阻器 金屬膜電阻
Description: Carbon Film - CRS Description: Network - NR Description: TO-220 Resistor - ML
Power: 1/4WS ~ 3WS Power: 1/8W~1/4W (5-16pin) Power: 18W ~ 100W
Resistance: 1R ~ 1M Ω Resistance: 10R ~ 1M Ω Resistance: 0.1R ~ 1M Ω
Tolerance: ±5%,±10% Tolerance: ±2%,±5% Tolerance: ±1%,±5%.
小型化碳膜電阻器 排列電阻(排阻) TO-220 / TO-247 功率電阻
Description: Metal Alloy - PVR Description: Chip Array - CRA Description: Color Code (E24/E96)
Power: 1W ~ 10W Power: 1/8W~1/4W (4R/8pin) Power: Standard
Resistance: 5m ~ 300m (0.005R) Resistance: 10R ~ 1M Ω Resistance: Full Series
Tolerance: ±0.1% ~ ±5% Tolerance: ±2%,±5% Tolerance: Full Series
高精密模壓無感合金電阻 貼片型排列電阻(排阻) 標準電阻色碼及其它代碼表示法參考資料

Resistor  

最近更新在 週六, 21 十一月 2015 02:01  
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Newsflash

簡單量測電阻方法

技術應用

產品應用

T 簡單量測電阻的方法

簡單量測電阻方法

 

電阻在電子產品中是最常用的零部件,在投入生產線使用前(QA)量測電阻是最基本的品檢工作環節,從量測到的電阻可以知道其電阻系數等的質材是否可靠,因此,透過電阻量測往往可以檢測出這些電阻在電路中的位置是否可以得到適當的使,其參數穏定會影響產品合格率的重要關健因素。

電阻量測最簡單的方法就是用一個三用電表的兩根探針(如圖/圖片放大)點觸在被測電阻導體電極的兩端,然後從電表上就可以讀到其電阻數值。

這是最簡單也是最普遍用來量測電阻元件以及檢查電路是否短路抑或開路的方法,這種檢測方法一般稱為 [二點探針] 量測。

雖然是簡單但卻很難用在高精密度超低超高電阻及電阻材料電性的檢測上,因為材料的電阻系數很難從兩點探針測量出準确性的電阻,這主要是因兩點探針在量測中,電流的提供與電壓的量測共用一根探針所引起的。要更好量測電阻的方法須採用 [四點探針] 會比兩針來的更好不過了。

若把電流和電壓分別改用四根探針分路量測電流和電壓,就可以解決這問題。專業的電阻制造廠都會使用四點探針量測的方法來量測電阻的可靠性及準确性。

雖然四點探針比兩點探針量測來得好,但正确的電阻量測卻和量測儀錶設備,使用的器具乃至所使用的量測條件都有關係。