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金屬膜電阻 (超小型化)

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Resistor 超小型金屬膜電阻

PDF File  Data Spec Ultra Miniature Metal Film Resistor - UMR Series

Resistor INTRODUCTION
The UMR Series flame-proof type miniature Metal Film Resistors are manufactured by vacuum depose it metal film on
high thermal conductivity and specific gravity Rosenthal ceramic or same grade Japans rods. The both ends of
ceramic are coated with precision mixed metals which help to prevent against noise, and to provide low TCR
and low Tol precision resistors the can meet MIL and JIS requirement.
Utilizing a 95~98% of AI ceramic cores and combined a special cutting technology inside, this resulting superior
resistors give excellent heat dissipation, stable performance and significantly up-grade the power rating.
This specially designed resistors are widely used by the industries of communication devices, meters,
high-class, audio equipments and precision military defending facilities as well.
Resistor EXTERNAL DIMENSIONS SINLOON®
STYLE DIMENSION (mm)
L ΦD H Φd
UMR-01 3.3±0.4 1.8±0.3 28±2 0.5±0.05
UMR-02 6.3±0.5 2.3±0.3 28±2 0.6±0.05
UMR-03 6.3±0.5 2.3±0.3 28±2 0.6±0.05
UMR-10 6.3±0.5 2.3±0.3 28±2 0.6±0.05
UMR-20 9.0±0.5 3.2±0.5 26±2 0.6±0.05
UMR-30 15.5±1.0 5.0±0.5 32±2 0.6±0.05
The type designation shall be in the following form and as specified.
Resistor RATED POWER
Type Power Maximum Voltage Dielectric withstanding Resistance
Working Overload Voltage (AC) Range
UMR-01 0.4W 200V 400V 300V 1R~10MΩ
UMR-02 0.5W 250V 500V 500V 1R~10MΩ
UMR-03 0.6W 250V 500V 500V 1R~10MΩ
UMR-10 1W 250V 500V 500V 1R~10MΩ
UMR-20 1.8W 350V 700V 700V 1R~10MΩ
UMR-30 3W 500V 1KV 1KV 1R~10MΩ
Temp. Coefficient (by Type) ±50ppm, ±100ppm
Resistor FEATURES
Resistance Tolerance: ±1%, ±2%, ±5%.
Excellent long-term stability.
High power-to-size ratio for significant space saving.
Variety of packing: bulk, strip pack, 26mm and 52mm tape and reel, cut and foramen.

 

最近更新在 週六, 21 十一月 2015 03:17  
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Newsflash

能源效益

能源效益

 

能源效益

照明耗電量年年增加

油價不斷升,能源愈來愈矜貴,但港人耗用能源卻年年顯著上升,過去10年高達兩成。機電工程署發表的報告顯示,空調佔全港耗電量首位,過去10年增加了18%,但增幅最高的設施卻是照明設施10年來上升了25.6%,顯示這座城市愈來愈光。而政府內部的節能指引,除早年的室內溫度量達25.5℃外,亦加入了多用慳電膽和多用水冷式空調等措施。

本身是能源效益及節約小組委員會主席的綠色力量行政總幹事文志森表示,近年政府及環保團體不斷鼓勵節能,市民的意識亦有提高,但不時有商界向他反映,節能硬件費用高昂,擔心不符成本效益,不敢貿然投資。

他認為,除了兩電的基金,政府亦應考慮給予經濟誘因,鼓勵更換省電設施,如購買太陽能板或改用水冷空調系統,這亦可顯示政府支持市民節能的誠意。

如何能够更有效節能:

為進一步加強節能效益,政府最近向各部門發出新指引,包括將室內溫度設定為25.5℃,盡量採用LED照明、棄用慳電膽,安裝具能源效益的照明設備,及以水冷式空調系統取代氣冷空調。政府並會就應用創新節能科技做研究,包括空調水泵優化控制程式。

不同照明效益比較:

主旨:

LED 12W 嵌燈 VS 22W 節能燈(慳電膽)

項目:

燈具種類

功率()

使用壽命

相當亮度

耗電量/

電費

省電費

LED Down Light

LED

12W

50000hrs

1200lm

0.288/

$8.64/

45%

慳電膽

22W

8000hrs

1210lm

0.527/

$15.8/

主旨:

LED 平板燈 VS 燈盤燈管

LED Panel Light

LED板燈

40W

50000hrs

3400lm

0.96/

$28.8/

65%

燈管

114W

1000hrs

5700lm

2.74/

$82.2/

 

: 如果你使用338瓦燈盤燈管,每月電費假設是$1000,一旦選用LED 平板燈,每月電費只須付$450,節能效益達65%.