KNP (FLAME-PROOF COATING TYPE)
     
INTRODUCTION

KNP
To wind the alkalineless ceramic core with metal alloy resistance wire and coating with silicon resin which makes wire wound resistor KNP series.

   FEATURE
  • High stable pulse characteristics
  • Super heat dissipation
  • Instant overload capability
  • Low noise
  • No annual shift on resistance value
  • Tolerance available: ±5%, ±2%, ±1%
  • Special tight tolerance are available on request

boll.gif (977 ­Ó¦ì¤¸²Õ) CHARACTERISTICS

REQUIREMENTS CHARACTERISTICS TEST METHOD
Temperature Coefficient ± 300ppm/°C, special 25ppm JIS, C, 5202,5,2
Insulation Resistance > 1000M Ohm JIS, C, 5202,5,6
Load Life(1,000 hours) ± (3% + 0.05 Ohm) JIS, C, 5202,7,10
Short-time Overload ± (2% + 0.05 Ohm) JIS, C, 5202,5,5
Dielectric Withstanding Voltage ± (1% + 0.05 Ohm) JIS, C, 5202,5,7
Moisture Resistance ± (3% + 0.05 Ohm) JIS, C, 5202,7,9
Shock and Vibration ± (1% + 0.05 Ohm) JIS, C, 5202,6,3
Effect of Soldering ± (1% + 0.05 Ohm) JIS, C, 5202,6,4
Incombustibility EX16 Times Voltage, 5min.   
*  As variances through measuring, an additional + 0.05 is added to the change rate above.

boll.gif (977 ­Ó¦ì¤¸²Õ) SPECIFICATIONS

TYPE RATED POWER DIMENSIONS(mm) RESISTANCE RANGE( Ohm)
D±1.0 L±1.5 H±3 d±0.05
KNP-100S 1W 3.2 9.0 28 0.60 0.1 - 100
KNP-100 1W 4.5 11 35 0.80 0.1 - 100
KNP-200S 2W 4.5 11 35 0.80 0.1 - 100
KNP-300S 3W 5.0 15 35 0.80 0.1 - 150
KNP-300 3W 6.0 17 35 0.80 0.1 - 150
KNP-400 4W 6.0 17 35 0.80 0.1 - 300
KNP-500 5W 6.0 17 35 0.80 0.1 - 400