
KNP-SERIES
WIREWOUND RESISTORS
FLAME-PROOF
PRODUCT BULLETIN
DEDICATION TO EXCELLENCE
Rev O
4/4/01
CERAMIC CORE: 75% ALUMINA
LEAD: TIN PLATED COPPER
CAP: TIN PLATED STEEL CAP
COATING: SILICON
WIRE: Cu-Ni OR Ni-Cr WIRE
L
H
D
d
in.
mm
0.05
.024
.031
.059
.138
.157
.217
.256
.335
.354
.433
.590
.709
.984
1.063
1.575
1.693
0.6
0.8
1.5
3.5
4.0
5.5
6.5
8.5
9.0
11.0
15.0
18.0
25.0
27.0
40.0
43.0
.020
0.5
.002
How to Order
Sample Part Number
Resistance Tolerance
Resistance Value
Temperature Coefficient
Wattage
T300
KNP
1RO
Type
1W
± 5%
TEMPERATURE COEFFICIENT
-30°C to 200°C ± 300PPM/°C
Resistance Tolerance ± 5
Note: Resistance up to 27
Lower or higher resistance values other than the list are also available
maximum for Non-Inductive type
TYPE
RATED
WATTS
1/2W
1W
2W
3W
5W
7W
8W
10W
Resistance range
KNP-1/2W
KNP-1W
KNP-2W
KNP-3W
KNP-5W
KNP-7W
KNP-8W
KNP-10W
TYPE
KNP-1/2W
KNP-1W
KNP-2W
KNP-3W
KNP-5W
KNP-7W
KNP-8W
KNP-10W
DIMENSIONS (mm)
L ±1.5mm
9
11
15
15
18
25
40
53
D ±0.5mm
3.5
4.0
5.5
5.5
6.5
8.5
8.5
8.5
H(MIN)
25
27
27
27
27
27
27
27
d ±0.05
0.60
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.1 - 240R
0.1 - 470R
0.1 - 820R
0.1 - 820R
0.1 - 1.3K
0.1 - 3.3K
0.1 - 2K
0.1 - 4.7K
Dimensional
Correlation
Subject to change without notice
WILLOW TECHNOLOGIES LTD.
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LINGFIELD, SURREY, RH7 6BL, ENGLAND
Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306
E-mail
rob@willow.co.uk
Website
http://www.willow.co.uk