POWER RESISTORS: WIRE WOUND KN(P & Y) Series: Tubular Wire Wound
FEATURES
•Excellent heat dissipation, small linear temp. coeff. •Instant overload capability •Nonflame, light weight •Silicon resin coating available •Non-inductively wound type available •KNP type is available on tape through 5WS size
DERATING CURVE
100 40 70 155
1W-2W
275
Rated Load (%)
80 60 40 20 0 -50 0
3W-10W
50 100 150 200 250 300
Ambient Temperature (°C)
TEMPERATURE RISE
Temperature Rise ( C)
250 200 150 100 50
10W 7W 5W 3W 2W 1W
20 40 60 80 100 120
0
Rated Load (%)
ELECTRICAL CHARACTERISTICS
Test Items Res. Temp Coeff. Short Time Overload Rated Load Insulation Resistance Temp. Cycle Load Life Condition JIS.C.5202.5.2 10X rated wattage for 5 seconds Rated wattage for 30min. 500V megger -30°C ~ 85°C 5 cycles 70°C on-off cycle 1,000 hrs Specification 20W±260PPM ±2% ±1% 1,000MW min ±1% ±5%
PART NUMBER EXAMPLE KNP 1W R - 10R - J
Tolerance Resistance B=Bulk, R=Reel, A=Ammo Wattage Series
Moister-Proof Load Life 40°C 95% RH on-off cycle 1K hrs ±3%
ELECTRICAL CHARACTERISTICS
Part Number KNP KNP1WS KNP1W KNP2WS KNP2W KNP3WS KNP3W KNP5WS KNP5W KNP7W KNP8W KNP10W KNY KNY2W KNY3W KNY5W KNY7W KNY10W D±0.5 3.5 4.5 4.5 5 5 6 6 8 8 8 8 Dmax 5.5 6.5 8.5 8.5 8.5 Dimension (mm) L±1.0 H±3 d±0.05 9 11.5 11.5 12 15.5 17.5 17.5 25 25 30 53 L±1.5 16 16 24 30 53 26 35 35 33 33 32 32 38 38 38 38 H±1 19 19 21.5 21.5 21.5 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 P±0.5 8 10 15 20 43 B±0.5 4.5 4.5 6 6 6 0.1 ~ 50 0.1 ~ 200 0.5 ~ 560 1 ~ 1K 1 ~ 2K 500 500 1000 1000 1000 Bulk Bulk Bulk Bulk Bulk 500 500 500 500 500 Resistance Range ( W) 0.1 ~ 47 0.1 ~ 100 0.1 ~ 100 0.1 ~ 330 0.1 ~ 330 0.1 ~ 560 0.1 ~ 560 0.1 ~ 1K 0.1 ~ 1K 0.1 ~ 1.5K 1 ~ 2K Dielectric Standard Standard Voltage(V) Packing Tape 300 500 500 500 500 500 500 1000 1000 1000 1000 T52 T73 T73 T73 T73 T73 T73 T73 Bulk Bulk Bulk 2500 2000 2000 1000 1000 1000 1000 1000 500 500 500
•Special tape to tape size by request
RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2DC02 REV 2004.6.15
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