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RESISTOR CATEGORIES > MINIATURE STYLE RESISTORS > CRS Series
CRS Series
CRS Series Miniature Style Carbon Film Resistors

ELECTRICAL CHARACTERISTICS

Style CRS-25 CRS-50 CRS-100 CRS-200 CRS-300 -
Power Rating 70C 1/4WS 1/2WS 1WS 2WS 3WS -
Operating Temp. Range -55C ~ +155C
Max. Working Voltage 200V 300V 400V 500V 500V -
Max. Overload Voltage 400V 600V 800V 1000V 1000V -
Dielectric Withstanding Voltage (AC) 400V 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
under 100KΩ 100KΩ~1MΩ over 1MΩ under 100KΩ

100KΩ

~1MΩ

over 1MΩ
+350/-500 +350/-700

+350/

-1000

+350

+350/

-500

+350/

-1000

* The listed resistance range for standard resistance, below or over this resistance is on request.

ENVIRONMENTAL CHARACTERISTICS

PERFORMANCE TEST TEST METHOD APPRAISE
Short Time Overload JIS-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 seconds By Type
Temperature Coefficient JIS-C-5202 5.2 : -55C ~+155C By Type
Insulation Resistance JIS-C-5202 5.6 : in V-Block ≥1000 M Ω
Solderability JIS-C-5202 6.5 : 230C for 5?.5 seconds 95% min. coverage
Resistance to Solvent JIS-C-5202 6.9 : Trichroethance for 1 min. with ultrasonic no deterioration
Terminal Strength Direct load for 10 sec. In the direction of the terminal leads ≥2.5KG/24.5N
Pulse Overload JIS-C-5202 5.8 : 4 time RCWV 10000 cycles(1 sec.on, 25 sec.off) ?3%+0.05 Ω)
Load Life in Humidity JIS-C-5202 7.9 : 40?C, 90~95% RH at RCWV for 1000 hrs
(1.5hrs. on, 0.5 hrs. off)
?3%+0.05 Ω)
Load Life JIS-C-5202 7.1 : 70C at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off) ?3%+0.05 Ω)
Temperature Cycling JIS-C-5202 7.1 : -55C room temp. 155C room temp. for 5 cycles ?1%+0.05 Ω)
Soldering Heat

JIS-C-5202 7.1 : 350?0C for

3?.5 seconds

?1%+0.05 Ω)
WILDEX CORPORATION
6F, NO.151, Sec.3, Beishen Rd, Shenkeng Dist, New Taipei City, Taiwan.
TEL:886-2-26641909 FAX:886-2-26640242 wildex@wildexco.com
wildex@ms26.hinet.net