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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

T5,T8,LED 燈管

燈管

T5,T8,LED

簡要說明:

在照明產品的代號上,T代表的是 (tube) 亦即燈管,而市面上我們常看到 T5,T8,這代表的是它的管徑。

例如:

T5是指管口徑為5/8英吋(~=1.6公分)

T8燈管口徑8/8英吋(~=2.6公分)

T5燈管口徑較細小,但其發光效率相當

比較項目

日光燈玻璃

LED玻璃(抗光衰)

外形/


更多

更多

燈管直徑/尺寸

T5 Ø16mm; T8 Ø25mm;

T5 Ø16mm; T8 Ø25mm;

功率/

T5 4Ft 28W ; T8 4Ft 40W

T5 4Ft 9W ; T8 4Ft 18W

光效/流明

60lm/W

100lm – 135lm/W

使用壽命

5000Hrs

50,000Hrs

啟動器/ start

需搭配安定器會額外耗電

每日耗電量/24小時

燈管功率 + 啟動器功耗

燈管功率()

LED T5/T8 燈管效益比較

類別:

T5 Ø16mm 4Ft

LED T5 Ø16mm 4Ft

功率/W:

28

18

啟動器/ start / W:

28

耗電/24小時:

1.392

0.432

照度:

1680/lm

1800/lm

電費/:

HK$42/

HK$16/

慳電效益:

0

~60%