14 | 06 | 2009
Miniature Style Resistors - CRS Series Print
Cement Resistor - Cement Resistor - Series
Written by CRS Series   
Tuesday, 10 June 2008 21:35

  Miniature Style Resistors - CRS Series

Miniature Style Resistors - CRS Series
MINIATURE STYLE RESISTORS  - CRS 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:

STYLE

DIMENSION (mm)

POWER RATING

 

L

ΦD

H

Φd

(Watt)

 

25S

3.2±0.2

1.8±0.3

28±2

0.430.02

1/4W

 

50S

6.0±0.2

2.3±0.3

28±2

0.50.02

1/2W

 

100S

9±0.5

3.2±0.5

26±2

0.60.02

1W

 

200S

11.0±0.5

4.5±0.5

35±2

0.70.02

2W

 

300S

15.0±0.5

5.0±0.5

32±2

0.80.02

3W

 

500S

17.0±0.5

6.0±0.5

38±2

0.80.02

5W

 

700S

25±1

8.0±0.5

38±2

0.80.02

7W

ELECTRICAL CHARACTERISTICS:
CRS SERIES:
StyleCRS-25CRS-50CRS-100CRS-200CRS-300
Power Rating 70oC1/4WS1/2WS1WS2WS3WS
Operating Temp. Range

-55oC ~ +155oC

Max. Working Voltage

200V

250V

350V

500V

500V

Max. Overload Voltage

400V

600V

700V

1000V

1000V

Dielectric Withstanding Voltage (AC)

300V

500V

700V

1000V

1000V

Max. Intermittence Overload Voltage

500V

600V

700V

1000V

1000V

T.C.R. (PPM/ )

CRS-25 /CRS-50 /CRS-100

CRS-200 /CRS-300

100K down

100K~1MΩ

1M up

100K down

100K~1MΩ

1M up

-0.7

0 ~ -700Ω

0 ~ -1500Ω

-0.7

0 ~ -700Ω

0 ~ -1500Ω

* 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