Nonflame Wirewound Resistors
KNP
(Standard type)
NKNP
(Non-inductive type)
MERITEK
F
EATURES
•
•
•
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
P
ART
N
UMBERING
S
YSTEMS
Meritek Series
Power Rating
CODE
½W
0.5W
1WS
1W
1W
1W
KNP
1W
-
103
J
TR
2WS
2W
2W
2W
Resistance
First 2 digits are significant
3
rd
digit is multiplier
“R” indicates decimal value below 10 ohm
Tolerance
CODE
(%)
J
±5
TR: Tape & Reel
B: Bulk
D
IMENSIONS
S
TYLE
Normal
KNP-1/2W
KNP-1W
KNP-2W
KNP-3W
KNP-5W
KNP-7W
Miniature
KNP-1WS
KNP-2WS
KNP-3WS
KNP-5WS
KNP-7WS
KNP-8WS
L
9.0 0.5
11.5 1.0
15.5 1.0
16.5 1.0
24.0 1.0
30.0 1.0
D
D
IMENTIONS
(
MM
)
H
26 2.0
35 2.0
32 2.0
32 2.0
38 2.0
38 2.0
V
ALUE
R
ANGE
d
0.65 0.03
0.78 0.03
0.78 0.03
0.78 0.03
0.78 0.03
0.78 0.03
0.1 ~50
0.1 ~100
0.1 ~330
0.1 ~200
0.5 ~300
0.5 ~300
3.2 0.5
4.5 0.5
5.0 0.5
6.0 0.5
8.0 0.5
8.0 0.5
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
E
LECTRICAL CHARACTERISTICS
S
TYLE
Power Rating At 70
o
C
Operating Temp. Range
Resistance Temp. Coeff.
Dielectric Withstanding
Volt
KNP-1/2W KNP-1WS
KNP-1W
KNP-2WS
KNP-2W
KNP-3WS
KNP3W
KNP-5WS
KNP-5W
KNP-7WS
KPN-7W
KNP-8WS
KNP-8W
KNP-9WS
KNP-9W
KNP-10WS
KNP-10W
0.5W
1W
2W
3W
o
5W
o
7W
8W
9W
10W
300V
300V
400V
-55 C to
+
155 C
400PPM/
o
C
400V
500V
500V
500V
800V
1000V
P
ERFORMANCE
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
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