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±400PPM>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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