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KNP Datasheet, PDF (1/1 Pages) Willow Technologies Ltd – WIREWOUND RESISTORS
Nonflame Wirewound Resistors
KNP(Standard type)
NKNP(Non-inductive type)
MERITEK
FEATURES
• High heat dissipation: Small linear temperature coefficient
• Instant overload capability; Low noise figure and without annual shift
in resistance value
• Complete flameproof construction UL-1412
PART NUMBERING SYSTEMS
KNP
1W - 103
Meritek Series
Power Rating
CODE ½W 1WS 1W
2WS 2W
0.5W 1W
1W
2W
2W
Resistance
First 2 digits are significant
3rd digit is multiplier
“R” indicates decimal value below 10 ohm
Tolerance
CODE
J
(%)
±5
TR: Tape & Reel
B: Bulk
J
TR
DIMENSIONS
STYLE
DIMENTIONS (MM)
Normal
Miniature
L
D
H
d
VALUE RANGE
KNP-1/2W
KNP-1WS
9.0 0.5
3.2 0.5
26 2.0
0.65 0.03
0.1 ~50
KNP-1W
KNP-2WS
11.5 1.0
4.5 0.5
35 2.0
0.78 0.03
0.1 ~100
KNP-2W
KNP-3WS
15.5 1.0
5.0 0.5
32 2.0
0.78 0.03
0.1 ~330
KNP-3W
KNP-5WS
16.5 1.0
6.0 0.5
32 2.0
0.78 0.03
0.1 ~200
KNP-5W
KNP-7WS
24.0 1.0
8.0 0.5
38 2.0
0.78 0.03
0.5 ~300
KNP-7W
KNP-8WS
30.0 1.0
8.0 0.5
38 2.0
0.78 0.03
0.5 ~300
KNP-8W
KNP-9WS
40.0 1.0
8.0 0.5
38 2.0
0.78 0.03
1 ~1.5K
KNP-9W
KNP-10WS
47.0 1.0
8.0 0.5
38 2.0
0.78 0.03
1 ~1.5K
KNP-10W
49.0 1.0
9.0 0.5
38 2.0
1.0 0.03
1 ~3.3K
Value range for standard resistance, below or over this resistance on request 2. Non- inductive type up 50 only
ELECTRICAL CHARACTERISTICS
STYLE
Power Rating At 70oC
Operating Temp. Range
KNP-1/2W KNP-1WS
KNP-1W
0.5W
1W
Resistance Temp. Coeff.
Dielectric Withstanding Volt 300V 300V
KNP-2WS
KNP-2W
2W
400V
KNP-3WS KNP-5WS KNP-7WS
KNP3W KNP-5W KPN-7W
3W
5W
7W
-55oC to + 155oC
400PPM/ oC
400V
500V
500V
KNP-8WS
KNP-8W
8W
500V
KNP-9WS
KNP-9W
9W
800V
KNP-10WS
KNP-10W
10W
1000V
PERFORMANCE
Short time overload
Insulation resistance
Load life
Load life in humidity
Solderability
Terminal strength
2%+0.05
> 100M
5%+0.05
5%+0.05
95% min. coverage
Tensile: 2.5kg
Specifications are subject to change without notice.
rev.6a