14 | 06 | 2009
Miniature Style Resistors - MOS Series Print
Cement Resistor - Cement Resistor - Series
Written by MOS Series   
Tuesday, 10 June 2008 21:44

    Miniature Style Resistors -  MOS Series

 
MINIATURE STYLE RESISTORS  -  MOS. Series
POWER RATING:
1/4WS, 1/2WS, 1WS, 2WS, 3WS
FEATURES
Low cost, high performance.
High power with small size for significant space savings.
Excellent long - term stability.
Variety of packing - bulk, strip pack, 26mm and 52mm tape and reel, cut and formed or radial Pana.
INTRODUCTION
The miniature series has increased by 30% the Aluminum into the Ceramic Bar. They can offer excellent performance in applications where stability and uniformity of characteristics are desired in high terperature, resistant to humidity and shock testing.
DIMENSIONS:
STYLEDIMENSION (mm)POWER RATING

LΦDHΦd(Watt)
25S3.2±0.21.8±0.328±20.430.021/4W
50S6.0±0.22.3±0.328±20.50.021/2W
100S9±0.53.2±0.526±20.60.021W
200S11.0±0.54.5±0.535±20.70.022W
300S15.0±0.55.0±0.532±20.80.023W
500S17.0±0.56.0±0.538±20.80.025W
700S25±18.0±0.538±20.80.027W
ELECTRICAL CHARACTERISTICS:
MOS SERIES:
StyleMOS-50MOS-100MOS-200MOS-300MOS-500MOS-700
Power Rating 70oC1/2WS1WS2WS3WS5WS7WS
Operating Temp. Range

-55oC ~ +155oC

 

 

 

Max. Working Voltage

250V

350V

350V

500V

500V

750V

 

 

 

Max. Overload Voltage

600V

700V

700V

1000V

1000V

1000V

 

 

 

Dielectric Withstanding Voltage (AC)

350V

350V

500V

1000V

1000V

1000V

 

 

 

Max. Intermittence Overload Voltage

600V

700V

1000V

1000V

1000V

1000V

Value Range:± 2%, ±5%

1Ω ~510KΩ

Temp. Coefficient 

±350ppm

* The listed resistance range for standard resistance, below or over this resistance is on request.
ENVIRONMENTAL CHARACTERISTICS :
PERFORMANCE TESTTEST METHODAPPRAISE
Short Time OverloadJIS-C-5202 5.5 : 2.5 times RCWV for 5 seconds±(0.75%+0.05)Ω
Dielectric Withstanding V.JIS-C-5202 5.7 : in V-Block for 60 secondsBy Type
Temperature CoefficientJIS-C-5202 5.2 : -55oC ~+155oCBy Type
Insulation ResistanceJIS-C-5202 5.6 : in V-Block1000 MΩ
SolderabilityJIS-C-5202 6.5 : 230oC for 5±0.5 seconds95% min. coverage
Resistance to SolventJIS-C-5202 6.9 : Trichroethance for 1 min. with ultrasonicno deterioration
Terminal StrengthDirect load for 10 sec. In the direction of the terminal leads2.5KG/24.5N
Pulse OverloadJIS-C-5202 5.8 : 4 time RCWV 10000 cycles(1 sec.on, 25 sec.off)±(2%+0.05)Ω
Load Life in HumidityJIS-C-5202 7.9 : 40±2oC, 90~95% RH at RCWV for 1000 hrs±(3%+0.05)Ω
(1.5hrs. on, 0.5 hrs. off)
Load LifeJIS-C-5202 7.10 : 70oC at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off)±(3%+0.05)Ω
Temperature Cycling ±(1%+0.05)Ω
Soldering Heat ±(1%+0.05)Ω