49
Note: Rated Continuous Working Voltage (RCWV) = Power Rating x Resistance Value
ELECTRICAL CHARACTERISTICS
NORMAL STYLE
STYLE KNP-25 KNP-50 KNP100 KNP200 KNP300 KNP400 KNP500 KNP700
Power Rating at 70°C 1/4W 1/2W 1W 2W 3W 4W 5W 7W
Dielectric Withstanding Voltage 250V 300V 400V
Resistance Range 0.1 Ω - 47 Ω0.1 Ω - 100 Ω0.1 Ω - 330 Ω0.1 Ω - 560 Ω0.1 Ω - 1K Ω
Operating Temp. Range -40°C to +200°C
Temperature Coefcient ±300ppm/°C
MINIATURE STYLE
STYLE KNP50S KNP1WS KNP2WS KNP3WS KNP5WS KNP7WS
Power Rating at 70°C 1/2W 1W 2W 3W 5W 7W
Dielectric Withstanding Voltage 200V 300V 400V
Resistance Range 0.1 Ω - 47 Ω0.1 Ω - 100 Ω0.1 Ω - 330 Ω0.1 Ω - 560 Ω0.1 Ω - 1K Ω
Operating Temp. Range -40°C to +200°C
Temperature Coefcient ±300ppm/°C
Note: Special value is available on request
ENVIRONMENTAL CHARACTERISTICS
PERFORMANCE TEST TEST METHOD APPRAISE
Short Time Overload JIS-C-5202 5.5 2.5 times RCWV for 5 Sec. ±2.0%+0.05 Ω
Dielectric Withstanding Voltage JIS-C-5202 5.7 in V-Block for 60 Sec. By type
Temperature Coefcient JIS-C-5202 5.2 -40°C to +200°C By type
Insulation Resistance JIS-C-5202 5.6 in V-Block >100M Ω
Solderability JIS-C-5202 6.5 260±5°C for 5±0.5 Sec. 95% Min. coverage
Resistance to Solvent
JIS-C-5202 6.9
IPA for 1 Min. with ultrasonic No deterioration of
coatings and markings
Terminal Strength JIS-C-5202 6.1 Direct load for 10 Sec. in the direction of the terminal leads ≥2.5kg (24.5N)
Load Life in Humidity JIS-C-5202 7.9 40±2°C, 90-95% RH at RCWV for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off) ±5.0%+0.05 Ω
Load Life JIS-C-5202 7.10 70°C at RCWV for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off) ±5.0%+0.05 Ω
Temperature Cycling JIS-C-5202 7.4 -55°C Room Temp. +155°C Room Temp. (5 cycles) ±1.0%+0.05 Ω
Resistance to Soldering Heat JIS-C-5202 6.4 350±10°C for 3±0.5 Sec. ±1.0%+0.05 Ω
Overload Flame Retardant JIS-C-5202 7.12 4 times RCWV for 1 Min. No evidence of aming
or arcing