NTC THERMISTORS: TYPE NK
CHIP THERMISTOR WITH SOLDER-COATED WIRES
DESCRIPTION:
A range of NTC chip thermistors with solder-coated
steel wires and epoxy resin coating.
FEATURES:
•
Designed for accurate temperature measurement,
control & compensation
•
Tight tolerances on resistance and B value
•
Operation up to 155°C with excellent stability
•
Small body diameter
•
Fast response
•
Limited heat conduction along steel wires
•
Available on bandolier to IEC 286-2
•
Suitable for automotive, HVAC & white goods
applications
DIMENSIONS:
2 .5 n o m
7 m ax
3 .0 m a x
5 m ax
3 .0 m a x
4 0 m in
Ø 0 .5
DATA
Minimum operating temperature ..........
-40°C
Maximum operating temperature ....
See table
Thermal time constant ..............
15s (cooling)
................................... 2.4s (ambient change)
Dissipation factor ...........................
2.2mW/K
Mass ..................................................
0.18g
Packing / MOQ .....................
1000/box (loose)
.................................. 2000/reel (bandoliered)
R25
Ω
500
1000
2000
500
1000
2000
2200
2700
5000
10000
2200
2700
5000
10000
5000
10000
2
2
2
2A
2A
2A
1
1
1
1
3
3
3
3
4A
4A
Material
system
B 25/85
K
3540 ± 1%
3540 ± 1%
3540 ± 1%
3627 ± 1%
3627 ± 1%
3627 ± 1%
3977 ± 0.75%
3977 ± 0.75%
3977 ± 0.75%
3977 ± 0.75%
3960 ± 1%
3960 ± 1%
3960 ± 1%
3960 ± 1%
3435 ± 1%
3435 ± 1%
Maximum operating
temperature
ºC
125
125
125
125
125
125
155
155
155
155
155
155
155
155
155
155
NK502C4*1 NK502C4*2
NK103C4*1 NK103C4*2
Cod
R25 ±1%
Dimensions in mm
Cod
R25 ±2%
NK501C2*2
NK102C2*2
NK202C2*2
Cod
R25 ±3%
NK501C2*3
NK102C2*3
NK202C2*3
Cod
R25 ±5%
NK501C2*5
NK102C2*5
NK202C2*5
Cod
R25 ±10%
NK501C2*10
NK102C2*10
NK202C2*10
NK501C2A*2 NK501C2A*3 NK501C2A*5 NK501C2A*10
NK102C2A*2 NK102C2A*3 NK102C2A*5 NK102C2A*10
NK202C2A*2 NK202C2A*3 NK202C2A*5 NK202C2A*10
NK222C1*1 NK222C1*2
NK272C1*1 NK272C1*2
NK502C1*1 NK502C1*2
NK103C1*1 NK103C1*2
NK222C1*3
NK272C1*3
NK502C1*3
NK103C1*3
NK222C3*3
NK272C3*3
NK502C3*3
NK103C3*3
NK502C4*3
NK103C4*3
NK222C1*5
NK272C1*5
NK502C1*5
NK103C1*5
NK222C3*5
NK272C3*5
NK502C3*5
NK103C3*5
NK502C4*5
NK103C4*5
NK222C1*10
NK272C1*10
NK502C1*10
NK103C1*10
NK222C3*10
NK272C3*10
NK502C3*10
NK103C3*10
NK502C4*10
NK103C4*10
See separate tables for resistance - temperature data
OPTIONS:
•
Other resistance values within the ranges shown
e.g. code NK701C2*2 for 700Ω
±
2% at 25°C
•
Reference temperatures other than 25°C
•
Wire lengths 12 to 40mm (±1mm)
BOWTHORPE THERMOMETRICS
Crown Industrial Estate, Priorswood Rd
Taunton, Somerset TA2 8QY UK
Tel +44 (0)1823 335200
Fax +44 (0)1823 332637
Email: info@thermometrics.com
CODING
Replace * in the codes shown above as follows:
Loose-packed ............................................
R
Bandoliered ...............................................
B
Data sheet D-NK-2
THERMOMETRICS, INC.
808 US Highway 1
Edison, New Jersey 08817-4695 USA
Tel +1 (732) 287 2870
Fax +1 (732) 287 8847
Email: sales@thmusa.com
KEYSTONE THERMOMETRICS CORP
967 Windfall Road
St Marys, Pennsylvania 15857-3397 USA
Tel +1 (814) 834 9140
Fax +1 (814) 781 7969
Email: sales@keystone-usa.com
DAEWOO THERMOMETRICS
#302 3rd floor Bethel Bldg,
324-1 Yangjae-dong, Seocho-Ku, Seoul, Korea
Tel +82 (0)2 5765232, 5233
Fax +82 (0)2 576 5234
Email: khkim@thermometrics.com
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