YAGEO CORPORATION
LEADED RESISTORS
Wirewound Resistors
FLAME-PROOF TYPE
Normal & Miniature Style [ KNP Series NKN Series ]
FEATURES
Industry‘s Lowest Cost
Delivery From Stock in Bulk Taped, and Strip Pack
Exceptional Long-Term Stability
Exceeds Carbon Comp MIL-R-11 Performance
Resistance Tolerance:
±
5%
Variety of Packaging–Bulk, Strip Pack, 52mm Tape and Reel, Cut and Formed, or Radial Panasert/Avisert
DERATING CURVE
INTRODUCTION
• The resistor is fabricated using a suitable
fiberglass or ceramic core with the
resistance wire securely crimped to the
terminals
• Small in size comparatively than other kind
resistor
• Electrical and Mectanical stability and high
reliability
• The KNP/NKN series are coated with
layers of green color flame-proof lacquer.
The resistors meet overload tests in
accordance with UL specification #1412
without producing a fire hazard
100
50
0
0
20
40
60
80
100
120
250
200
150
5W
4W
3W
2W
1W
1/2W
Rated Load (%)
100
80
40 70
155
1/2W-2W
275
3W-5W
60
40
20
0
-50
0
50
100 150 200
250 300
Ambient Temperature (ºC)
TEMPERATURE RISE
Temperature Rise (ºC)
Rated Load (%)
Unit : mm
DIMENSIONS
STYLE
Normal
KNP-50
ød
H
L
øD
KNP100
KNP200
KNP300
NKN has 5 color bands, the 5th black band.
DIMENSION
Miniature
KNP1WS
KNP2WS
KNP3WS
–
KNP5WS
–
L
9.0± 1.0
11.5± 1.0
15.5± 1.0
17.5± 1.0
17.5± 1.0
24.5± 1.0
øD
3.5± 0.5
4.5± 0.5
5.0± 0.5
6.0± 0.5
6.0± 0.5
8.0± 0.5
H
26± 2.0
35± 2.0
33± 2.0
32± 2.0
32± 2.0
38± 2.0
ød
0.6± 0.05
0.8± 0.05
0.8± 0.05
0.8± 0.05
0.8± 0.05
0.8± 0.05
KNP400
KNP500
22
Note :
ELECTRICAL CHARACTERISTICS
STYLE
Power Rating
Operating Temp. Range
KNP-50
1/2W
KNP1WS KNP100
1W
KNP2WS KNP200
2W
KNP3WS KNP300
3W
KNP400
4W
KNP5WS KNP500
5W
-55ºC to +155ºC
300V
400V
0.1Ω~100Ω
400V
400V
0.1Ω~330Ω
400V
400V
0.1Ω~560Ω
400V
400V
400V
0.1Ω~1KΩ
Dielectric Withstanding Voltage 300V
Value Range
±
5%
Temperature Coefficient
0.1Ω~47Ω
±
400ppm/ºC
* 1. Standard resistance is as the above list, below or over this resistance on request.
* 2. Non-Inductive type up to 50Ω only.
ENVIRONMENTAL CHARACTERISTICS
PERFORMANCE TEST
Short Time Overload
Dielectric Withstanding Voltage
Temperature Coefficient of Resistance
Insulation Resistance
Solderability
Resistance to Solvent
Terminal Strength
Load Life in Humidity
Load Life
TEST METHOD
JIS-C-5202 5.5
JIS-C-5202 5.7
JIS-C-5202 5.2
JIS-C-5202 5.6
JIS-C-5202 6.5
JIS-C-5202 6.9
2.5 Times RCW V for 5 Seconds
in V-Block for 60 Seconds
-55ºC to +155ºC
in V-Block
235ºC for 5± 0.5 Seconds
Trichroethane for 1 Min. with Ultrasonic
APPRAISE
±
(2%+0.05Ω)
by Type
±
400ppm/ºC
>100MΩ
95% Min. Coverage
No Deterioration of
Coatings and Markings
≥2.5kg
(24.5N)
±
(3%+0.05Ω)
±
(3%+0.05Ω)
Direct Load for 10 Sec. in The Direction of The Terminal Leads
JIS-C-5202 7.9
JIS-C-5202 7.10
40± 2ºC, 90~95% RH at RCW V for 1000 Hrs.
(1.5 Hrs. on , 0.5 Hrs. off )
70ºC at RCW V for 1000 Hrs. (1.5 Hrs. on , 0.5 Hrs. off)
* Rated Continuous Working Voltage (RCW V)= Power Rating x Resistance Value
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