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Small Precision Metal Film Resistor

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Resistor Small Precision Metal Film Resistor - SPM (小型化精密金屬膜電阻)

PDF File  Data Spec Small Precision Metal Film Resistor - SPM

Resistor FEATURE

SPM

MPM- Metal film Resistor are made by depositing special treated metal film onto ceramic core in ultra high vacuum. Both ends of the core are plated with

precious metal to ensure low noise and small temperature coefficient. MF Resistor are widely applied in high fidelity stereo, electronic calculators, computers,

testing instruments, meters, auto controlled equipment, military devices and aerospace equipment.

EXTERNAL DIMENSIONS SINLOON®
Type Power Dimensions (mm)
L ΦD Φd H
Standard Size (標準)
W-SPM0125 1/8W 1.8±0.35 0.45±0.03 29±2.0
V-SPM025 1/4W 6.3±0.5 2.3±0.3 0.55±0.03 28±2.0
VA-SPM04 2/5W 1.8±0.35 0.45±0.03 29±2.0
U-SPM05 1/2W 9.0±0.5 3.2±0.3 0.65±0.03 26±2.0
UA-SPM06 3/5W 6.3±0.5 2.3±0.3 0.55±0.03 28±2.0
S-SPM10 1W 11.5±1.0 4.5±0.5 0.78±0.03 35±2.0
Q-SPM20 2W 15.5±1.0 5.0±0.5 0.78±0.03 32±2.0
Small Szie (小型)
V-SPM14S 1/4Ws 1.8±0.35 0.45±0.03 29±2.0
U-SPM12S 1/2Ws 6.3±0.5 2.3±0.3 0.55±0.03 28±2.0
S-SPM10S 1Ws 9.0±0.5 3.2±0.3 0.65±0.03 26±2.0
Q-SPM20S 2Ws 11.5±1.0 4.5±0.5 0.78±0.03 35±2.0
N-SPM30S 3Ws 15.5±1.0 5.0±0.5 0.78±0.03 32±2.0
Ultra Small Size (微型)
U-SPM05U 1/2Wu 1.8±0.35 0.45±0.03 29±2.0
S-SMP10U 1Wu 6.3±0.5 2.3±0.3 0.65±0.03 28±2.0
Q-SPM20U 2Wu 9.0±0.5 3.2±0.3 0.55±0.03 35±2.0
N-SPM30U 3Wu 11.5±1.0 4.5±0.5 0.78±0.03 35±2.0
M-SPM40U 4Wu 15.5±1.0 5.0±0.5 0.78±0.03 32±2.0
RATED  POWER SPECIFICATION
Type Power Resistance (Ω) Tolerance Maximum Voltage Dielectric
±0.1% ±0.25% ±0.5% ±1% Working Overload Withstanding
Standard Size (標準)
W-SPM0125 1/8W 10~100K 10~100K 10~100K 10~100K 150V 300V 300 Vol.
V-SPM025 1/4W 10~100K 10~100K 10~1M 10~1M 250V 250V 500 Vol.
VA-SPM04 2/5W 10~100K 10~100K 0.1~1M 0.1~1M 200V 200V 400 Vol.
U-SPM05 1/2W 10~100K 10~100K 10~100K 10~100K 350V 500V 500 Vol.
UA-SPM06 3/5W 10~100K 10~100K 10~1M 10~1M 300V 500V 500 Vol.
S-SPM10 1W 10~100K 10~100K 0.1~1M 0.1~1M 500V 700V 700 Vol.
Q-SPM20 2W 10~100K 10~100K 0.1~1M 0.1~1M 500V 1000V 1000 Vol.
Small Szie (小型)
V-SPM14S 1/4Ws 10~100K 10~100K 10~100K 10~100K 200V 400V 400 Vol.
U-SPM12S 1/2Ws 10~100K 10~100K 10~1M 10~1M 300V 500V 500 Vol.
S-SPM10S 1Ws 10~100K 10~100K 0.1~1M 0.1~1M 400V 600V 600 Vol.
Q-SPM20S 2Ws 10~100K 10~100K 0.1~1M 0.1~1M 500V 500V 700 Vol.
N-SPM30S 3Ws 10~100K 10~100K 0.1~1M 0.1~1M 500V 1000V 1000 Vol.
Ultra Small Size (微型)
U-SPM05U 1/2Wu --- --- 10~100K 10~100K 250V 250V 400 Vol.
S-SMP10U 1Wu --- --- 10~1M 10~1M 450V 400V 400 Vol.
Q-SPM20U 2Wu --- --- 10K~1M 10K~1M 500V 600V 500 Vol.
N-SPM30U 3Wu --- --- 10K~1M 10K~1M 500V 700V 800 Vol.
M-SPM40U 4Wu --- --- 10K~1M 10K~1M 500V 1000V 1000 Vol.
金屬膜電阻器是在經過特殊處理的金屬薄膜塗層到陶瓷棒表層,兩端鍍有貴重金屬,以確保低噪
音,低溫度係數。高精密金屬膜電阻廣泛應用於高精度電子計算器,
電腦,檢測儀器,儀表,汽車控制設備,軍事設備和航空航天設備.

 

 
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Newsflash

感測電阻在電路中之應用

Current Sension Chip Resistor  按此還有更多 感測電阻在電路中之應用

在電流路徑中以串聯的方式插入一個低電阻值的感測電阻,將會形成一個較小的壓降,該壓降可被放大而成為一個與電流成正比的輸出訊號。然而,根據實際應用環境與感測電阻的位置,這一技術可能對感測放大器帶來各種挑戰。例如,將感測電阻放在負載與電路接地之間,那麼所形成的壓降可採用簡單的運算放大器(OP)進行放大。這種方法被稱為低側電流感測,與其相對應的方法為高側感測,即感測電阻位於供電電源和負載之間。 

Figure Circuit CS

電流的感測一般採用兩種基本方案。一種是測量電流流過的導體周圍磁場,另一種是在電流路徑中插入一個小型電阻,然後測量電阻上的壓降。第一種方法並不會引起干擾或插入損耗,但成本相對較為昂貴,而且容易產生非線性效應與溫度係數誤差。因此磁場感測技術通常只局限於一些能夠承擔無插入損耗的高成本應用。