g
NTC THERMISTORS: TYPE DK
CHIP THERMISTOR IN DO-35 GLASS PACKAGE
DESCRIPTION:
A range of NTC chip thermistors in DO-35 style glass
package (diode outline) with axial solder-coated
copper-clad steel wires.
FEATURES:
•
Designed for accurate temperature measurement,
control & compensation
•
Tight tolerances on resistance and B value
•
Operation up to 250°C with excellent stability
•
Glass body provides hermetic seal & voltage
insulation
•
Available on axial bandolier to IEC 286-1
•
Also available loose-packed with axial, radial and
SMD wire forms
•
Suitable for automotive, telecom (battery packs),
HVAC & white goods applications
DIMENSIONS:
DK...N
2 max
0.5 nom
27 min
4.2 max
DK...H
I i radi
ns de
us
1. nom
2
2 nom
4 m ax
Ø 0.
5
DATA
Operating temperature ..........
-40 to +250°C
Thermal time constant ........
7s (cooling in air)
Dissipation factor ...........................
3.0mW/K
Mass ....................................................
0.2g
Packing / MOQ .....................
1000/box (loose)
.................................. 5000/reel (bandoliered)
Material B 25/85
R25
system
K
Ω
2000
2
3540
±
1%
5000
2
3540
±
1%
10000
2
3540
±
1%
10000
5A
3730
±
2%
12000
5A
3730
±
2%
10000
3
3960
±
1%
20000
3
3960
±
1%
30000
3
3960
±
1%
50000
3
3960
±
1%
100000
3
3960
±
1%
200000
G
4263
±
2%
500000
D
4573
±
2%
4573
±
2%
1000000
D
Code
R25
±1%
2. nom
8
19.
±
1
5
DK...M
2.2 m ax
1 mi
n
4.2 m ax
9.0 -9.5
1 mi
n
Dimensions in mm
Note: wires should not be bent within 2mm of glass body
Code
R25
±2%
DKA202*2
DKA502*2
DKA103*2
DKC123*2
DKF103*2
DKF203*2
DKF303*2
DKF503*2
DKF104*2
DKF103*1
DKF203*1
DKF303*1
DKF503*1
DKF104*1
Code
R25
±3%
DKA202*3
DKA502*3
DKA103*3
DKC103*3
DKC123*3
DKF103*3
DKF203*3
DKF303*3
DKF503*3
DKF104*3
Code
R25
±5%
DKA202*5
DKA502*5
DKA103*5
DKC103*5
DKC123*5
DKF103*5
DKF203*5
DKF303*5
DKF503*5
DKF104*5
DKG204*5
DKD504*5
DKD105*5
Code
R25
±10%
DKA202*10
DKA502*10
DKA103*10
DKC103*10
DKC123*10
DKF103*10
DKF203*10
DKF303*10
DKF503*10
DKF104*10
DKG204*10
DKD504*10
DKD105*10
See separate tables for resistance - temperature data
CODING
Replace * in the codes shown above as follows:
Axial, loose-packed ...................................
N
Axial, bandoliered ......................................
B
Radial, loose-packed .................................
H
Surface mount, loose-packed ...................
M
Crown Industrial Estate, Priorswood Rd
Taunton, Somerset TA2 8QY UK
Tel +44 (0)1823 335200
Fax +44 (0)1823 332637
OPTIONS:
•
Other resistance values within the ranges shown
e.g. code DKA302*2 for 3000Ω ± 2% at 25°C
•
Reference temperatures in the range 0 to 150°C
•
Operation to 300°C (no solder coating on wires)
•
Wire lengths 4 to 32mm (±1mm) for DK..N; up
to 26mm for DK...H
Data sheet D-DK-6
967 Windfall Road
St Marys, Pennsylvania 15857-3397 USA
Tel +1 (814) 834 9140
Fax +1 (814) 781 7969
808 US Highway 1
Edison, New Jersey 08817-4695 USA
Tel +1 (732) 287 2870
Fax +1 (732) 287 8847
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